List of Bacteria genera
Encyclopedia

Family Acidobacteriaceae
Acidobacteriaceae
The Acidobacteriaceae are a family of Acidobacteria....

 

  • Genus Acidobacterium
  • Genus Geothrix
  • Genus Holophaga

Order Acidimicrobiales
Acidimicrobiales
Acidimicrobium is a genus of Actinobacteria, given its own subclass . 3 Families, 8 Genera and 9 species have been described, A. ferrooxidans, is the type species of the Order.-Taxonomy:*Order Acidimicrobiales...

  • Family Acidimicrobiaceae
    • Genus Acidimicrobium

Order Actinomycetales
Actinomycetales
Actinomycetales is an order of Actinobacteria. They are very diverse and contain a variety of subdivisions as well as yet unclassified isolates. This is mainly because some genera are very difficult to classify because of a highly niche-dependent phenotype...

 
  • Suborder Actinomycineae
    Actinomycineae
    Actinomycineae is a suborder of the order Actinomycetales that contains the medically important genus Actinomyces.-External links:*http://sn2000.taxonomy.nl/Main/Classification/111575.htm...

    • Family Actinomycetaceae
      Actinomycetaceae
      Actinomycetaceae is a family of bacteria in the order Actinomycetales that contains the medically important genus Actinomyces.-External links:*http://sn2000.taxonomy.nl/Main/Classification/111575.htm...

    • Family Actinomycetaceae
      Actinomycetaceae
      Actinomycetaceae is a family of bacteria in the order Actinomycetales that contains the medically important genus Actinomyces.-External links:*http://sn2000.taxonomy.nl/Main/Classification/111575.htm...


  • Suborder Corynebacterineae
    Corynebacterineae
    Corynebacterineae is a suborder of the Actinomycetales, and includes most of the acid-fast bacteria. It is a high G+C gram positive bacteria. It causes Tuberculosis and leprosy....

    • Family Corynebacteriaceae
    • Family Gordoniaceae
    • Family Mycobacteriaceae
    • Family Nocardiaceae
      Nocardiaceae
      The Nocardiaceae are a family of aerobic, non-fastidious, high G+C, Gram-positive actinomycetes that are commonly found in soil and water. Members of this family have been isolated from Antarctic soils...

    • Family Tsukamurellaceae
    • Family Williamsiaceae

  • Suborder Frankineae
    Frankineae
    Frankineae is a suborder of the Actinomycetales order. Like all Actinobacteria, the species are gram-positive with high G+C ratio. It is polyphyletic.-Taxonomy:Sub Order Frankiineae*Family Acidothermaceae**Acidothermus Mohagheghi et al. 1986...

    • Family Acidothermaceae
    • Family Frankiaceae
    • Family Geodermatophilaceae
    • Family Kineosporiaceae
    • Family Microsphaeraceae
    • Family Sporichthyaceae

  • Suborder Glycomycineae
    • Family Glycomycetaceae

  • Suborder Micrococcineae
    Micrococcineae
    Micrococcineae is a suborder of bacteria of the order Actinomycetales. They are gram-positive soil organisms....

    • Family Beutenbergiaceae
    • Family Bogoriellaceae
    • Family Brevibacteriaceae
    • Family Cellulomonadaceae
    • Family Dermabacteraceae
    • Family Dermatophilaceae
    • Family Dermacoccaceae
    • Family Intrasporangiaceae
    • Family Jonesiaceae
    • Family Microbacteriaceae
      Microbacteriaceae
      Microbacteriaceae is a family of bacteria of the order Actinomycetales. They are Gram-positive soil organisms....

    • Family Micrococcaceae
      Micrococcaceae
      The family Micrococcaceae includes bacterial genera of Gram positive cocci that inhabit the air and skin such as Micrococcus luteus.-External links:* * J.P. Euzéby's...

    • Family Promicromonosporaceae
    • Family Rarobacteraceae
    • Family Sanguibacteraceae

  • Suborder Micromonosporineae
    • Family Micromonosporaceae
      Micromonosporaceae
      Micromonosporaceae is a family of bacteria of the order Actinomycetales. They are gram-positive, spore-forming soil organisms that form a true mycelium....


  • Suborder Propionibacterineae
    • Family Nocardioidaceae
      • Genus Kribella
    • Family Propionibacteriaceae
      Propionibacteriaceae
      Propionibacteriaceae is a family of gram positive bacteria found in dairy products or in the intestinal tracts of animals and living in the pores of humans....


  • Suborder Pseudonocardineae
    • Family Actinosynnemataceae
    • Family Pseudonocardiaceae
      Pseudonocardiaceae
      Pseudonocardiaceae is a family of bacteria in the order Actinomycetales.-Genera:* Type genus: Pseudonocardia, Henssen 1957 * Actinoalloteichus* Actinobispora* Actinomycetospora* Allokutzneria* Amycolata...


  • Suborder Streptomycineae
    • Family Streptomycetaceae
      Streptomycetaceae
      Streptomycetaceae is a family of Actinobacteria, making up to the monotypic suborder Streptomycineae. It includes the important genus Streptomyces. This was the original source of many antibiotics, namely streptomycin. Streptomycin was the first antibiotic against tuberculosis....


  • Suborder Streptosporangineae
    • Family Nocardiopsaceae
    • Family Streptosporangiaceae
    • Family Thermomonosporaceae

Order Coriobacteriales 
  • Family Coriobacteriaceae
    Coriobacteriaceae
    Coriobacteriaceae are a family of Actinobacteria, given their own subclass . -Phylogeny:-External links:*http://sn2000.taxonomy.nl/Main/Classification/111679.htm...

    • Genus Atopobium
      Atopobium
      Atopobium is a genus of Actinobacteria, in the family Coriobacteriaceae.Atopobium species are anaerobic bacteria, Gram-positive rod-shaped or elliptical found as single elements or in pairs or short chains....

    • Genus Collinsella
      Collinsella
      Collinsella is a genus of Actinobacteria, in the family Coriobacteriaceae....

    • Genus Coriobacterium
      Coriobacterium
      Coriobacterium is a genus of Actinobacteria, in the family Coriobacteriaceae. Coriobacterium are non-motile, Gram-positive, non-sporulating rods, which inhabit the gastrointestinal tract of firebugs .-External links:...

    • Genus Cryptobacterium
      Cryptobacterium
      Cryptobacterium is a genus of Actinobacteria, in the family Coriobacteriaceae....

    • Genus Denitrobacterium
      Denitrobacterium
      Denitrobacterium is a genus of Actinobacteria with a single species, in the family Coriobacteriaceae. Originally isolated from the bovine rumen, Denitrobacterium are non-motile and non-spore forming....

    • Genus Eggerthella
      Eggerthella
      Eggerthella is a bacterial genus of Actinobacteria, in the family Coriobacteriaceae. Members of this genus are anaerobic, non-sporulating, non-motile, Gram-positive bacilli that grow singly, as pairs, or in short chains...

    • Genus Slackia
      Slackia
      Slackia is a genus of Actinobacteria, in the family Coriobacteriaceae....


Order Aquificales

  • Family Aquificaceae
    Aquificaceae
    The Aquificaceae family are bacteria that live in harsh environmental settings such as hot springs, sulfur pools, and hydrothermal vents. Although they are true bacteria as opposed to the other inhabitants of extreme environments, the Archaea, Aquificaceae genera are an early phylogenetic...

    • Genus Aquifex
      Aquifex
      Aquifex is a genus of bacteria, one of the few in the phylum Aquificae. The two species generally classified in Aquifex are A. pyrophilus and A. aeolicus. Both are highly thermophilic, growing best in water temperature of 85 °C to 95 °C...

    • Genus Hydrogenivirga
    • Genus Hydrogenobacter
    • Genus Hydrogenobaculum
    • Genus Thermocrinis

  • Family Hydrogenothermaceae
    Hydrogenothermaceae
    The Hydrogenothermaceae family are bacteria that live in harsh environmental settings. They have been found in hot springs, sulfur pools, thermal ocean vents. They are true bacteria as opposed to the other inhabitants of extreme environments, the Archaea...

    • Genus Hydrogenothermus
    • Genus Persephonella
    • Genus Sulfurihydrogenibium
    • Genus Venenivibrio

Order Bacteroidales
Bacteroidales
The order Bacteroidales is composed of four families of environmental bacteria....

 

  • Family Bacteroidaceae
    Bacteroidaceae
    The family Bacteroidaceae is composed of six genera of environmental bacteria....

    • Genus Bacteroides
      Bacteroides
      Bacteroides is a genus of Gram-negative, bacillus bacteria. Bacteroides species are non-endospore-forming, anaerobes, and may be either motile or non-motile, depending on the species. The DNA base composition is 40-48% GC. Unusual in bacterial organisms, Bacteroides membranes contain sphingolipids...

    • Genus Acetofilamentum
      Acetofilamentum
      Acetofilamentum is a genus in the phylum Bacteroidetes .-Etymology:The name Acetofilamentum derives from:Latin noun acetum, vinegar; Latin neuter gender noun filamentum, a spun thread; New Latin neuter gender noun Acetofilamentum, an acetate-producing, filamentous, threadlike bacterium.-Species:The...

    • Genus Acetomicrobium
      Acetomicrobium
      Acetomicrobium is a genus in the phylum Bacteroidetes .-Etymology:The name Acetomicrobium derives from:Latin noun acetum, vinegar; New Latin neuter gender noun microbium , a microbe; New Latin neuter gender noun Aacetomicrobium, a microorganism producing acetic...

    • Genus Acetothermus
      Acetothermus
      Acetothermus is a genus in the phylum Bacteroidetes .-Etymology:The name Acetothermus derives from:Latin noun acetum, vinegar; Greek adjective thermos , hot; New Latin masculine gender noun Acetothermus, a thermophilic microorganism producing acetic acid.-Species:The genus contains single species,...

    • Genus Anaerorhabdus
    • Genus Megamonas

  • Family Rikenellaceae
    Rikenellaceae
    The family Rikenellaceae is composed of two genera of bacteria....

    • Genus Rikenella
    • Genus Marinilabilia

  • Family Porphyromonadaceae
    Porphyromonadaceae
    Porphyromonadaceae is a family of bacteria composed of two genera of environmental bacteria....

    • Genus Porphyromonas
    • Genus Dysgonomonas

  • Family Prevotellaceae
    Prevotellaceae
    The family Prevotellacae is composed of a single genus, Provotella of environmental bacteria....

    • Genus Prevotella
      Prevotella
      Prevotella is a genus of bacteria.Bacteroides melaninogenicus has recently been reclassified and split into Prevotella melaninogenica and Prevotella intermedia....


Order Flavobacteriales
Flavobacteriales
The order Flavobacteriales is composed of three families of environmental bacteria....

  • Family Flavobacteriaceae
    Flavobacteriaceae
    The family Flavobacteriaceae is composed of environmental bacteria. Most species are aerobic, some are microaerobic to anaerobic, for example Ornithobacterium, Capnocytophaga and Coenonia....

  • Family Myroidaceae
    Myroidaceae
    The family Myroidaceae was composed of two genera of environmental bacteria, Myroides and Psychromonas.The genus Myroides have been moved to the Family Flavobacteriaceae and Psychromonas to the Order Alteromonadales, Family Psychromonadaceae....

  • Family Blattabacteriaceae

Order Sphingobacteriales
Sphingobacteriales
The order Sphingobacteriales is composed of five families of environmental bacteria....

 

  • Family Sphingobacteriaceae
    Sphingobacteriaceae
    The family Sphingobacteriaceae is composed of three genera of environmental bacteria....

  • Family Saprospiraceae
    Saprospiraceae
    The family Saprospiraceae is composed of three genera of environmental bacteria....

  • Family Flexibacteraceae
    Flexibacteraceae
    The family Flexibacteraceae is composed of eleven genera of environmental bacteria....

  • Family Flammeovirgaceae
    Flammeovirgaceae
    The family Flammeovirgaceae is composed of four genera of environmental bacteria....

  • Family Crenotrichaceae
    Crenotrichaceae
    The family Crenotrichaceae is composed of four genera of environmental bacteria....


Order Chlamydiales
Chlamydiales
The bacterial order Chlamydiales includes only obligately intracellular bacteria that have a chlamydia-like developmental cycle of replication and at least 80% 16S rRNA or 23S rRNA gene sequence identity with other members of Chlamydiales. Chlamydiales live in animals, insects, and protozoa...

  • Family Chlamydiaceae
    Chlamydiaceae
    Chlamydiaceae is a family of bacteria that belongs to the Phylum Chlamydiae, Order Chlamydiales. All Chlamydiaceae species are Gram-negative and express the family-specific lipopolysaccharide epitope αKdo--αKdo--αKdo . Chlamydiaceae ribosomal RNA genes all have at least 90% DNA sequence identity...

    • Genus Chlamydia
      Chlamydophila
      Chlamydophila is a bacterial genus belonging to the family Chlamydiaceae, order Chlamydiales, class/phylum Chlamydiae.-Taxonomy:Chlamydophila was recognized in 1999, with six species in Chlamydophila and three in the original genus, Chlamydia...

    • Genus Chlamydophila
      Chlamydophila
      Chlamydophila is a bacterial genus belonging to the family Chlamydiaceae, order Chlamydiales, class/phylum Chlamydiae.-Taxonomy:Chlamydophila was recognized in 1999, with six species in Chlamydophila and three in the original genus, Chlamydia...


  • Family Parachlamydiaceae
    Parachlamydiaceae
    Parachlamydiaceae is a family of bacteria in the order Chlamydiales. Species in this family have a Chlamydia–like cycle of replication and their ribosomal RNA genes are 80–90% identical to ribosomal genes in the Chlamydiaceae. The Parachlamydiaceae naturally infect amoebae and can be grown in...

    • Parachlamydia acanthamoebae
    • Candidatus Protochlamydia amoebophila UWE25
    • Neochlamydia hartmannellae (endocytobiont of Hartmannella sp. A1Hsp)

  • Family Rhabdochlamydiaceae
    Rhabdochlamydiaceae
    Candidatus Rhabdochlamydia is a genus of intracellular bacteria; a separate family, Candidatus Rhabdochlamydiaceae, has been proposed for this genus. Candidatus Rhabdochlamydia species have not been cultured in vitro and have not been deposited in culture collections.Two Rhabdochlamydia species...

    • Rhabdochlamydia porcellionis
    • Rhabdochlamydia crassificans

  • Family Simkaniaceae
    Simkaniaceae
    Simkaniaceae is a family of bacteria in the order Chlamydiales, class Chlamydiae, phylum Chlamydiae, domain Bacteria. Species in this family have a chlamydia-like cycle of replication and their ribosomal RNA genes are 80–90% identical to ribosomal genes in the Chlamydiaceae...

    • Genus Simkania
    • Genus Fritschea

  • Family Waddliaceae
    Waddliaceae
    Waddlia is a genus of bacteria in its own family, Waddliaceae. Species in this genus have a Chlamydia-like cycle of replication and their ribosomal RNA genes are 80–90% identical to ribosomal genes in the Chlamydiaceae....

    • Waddlia chondrophila

Order Chlorobiales 

  • Family Chlorobiaceae
    • Genus Chlorobium
      Chlorobium
      Chlorobium is a genus of green sulfur bacteria. They are photolithotrophic oxidizers of sulfur and most notably utilise a noncyclic electron transport chain to reduce NAD+...

    • Genus Ancalochloris
    • Genus Chloroherpeton
    • Genus Clathrochloris
    • Genus Pelodictyon
    • Genus Prostheochloris

Order Chrysiogenales

  • Family Chrysiogenaceae
    • Genus Chrysiogenes
      • Species: Chrysiogenes arsenatis

Order Deferribacterales

  • Family Deferribacteraceae
    Deferribacteraceae
    The Deferribacteraceae are a family of bacteria, given their own phylum .- Phylogeny:The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature and the phylogeny is based on 16S rRNA-based LTP release 106 by The All-Species Living Tree Project...

    • Genus Deferribacter
      Deferribacter
      Deferribacter is a genus in the phylum Deferribacteres .-Etymology:The name Deferribacter derives from:Latin pref. de-, from; Latin noun ferrum, iron; New Latin masculine gender noun , a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun...

    • Genus Denitrovibrio
    • Genus Flexistipes
    • Genus Geovibrio

Order Thermales 

  • Genus Thermus
  • Genus Meiothermus
  • Genus Marinithermus
  • Genus Oceanithermus
  • Genus Vulcanithermus

Order Dictyoglomales

  • Family Dictyoglomaceae
    • Genus Dictyoglomus
      Dictyoglomus
      Dictyoglomus is a genus of bacterium, given its own phylum, called the Dictyoglomi. This organism is extremely thermophilic, meaning it thrives at extremely high temperatures. It is chemoorganotrophic, meaning it derives energy by metabolizing organic molecules...

      • Species: Dictyoglomus thermophilum

Order Bacillales
Bacillales
The Bacillales are an order of Gram-positive bacteria, placed within the Firmicutes. Representative genera include Bacillus, Listeria and Staphylococcus....

  • Family Alicyclobacillaceae
    Alicyclobacillaceae
    The Alicyclobacillaceae are a family of Gram positive bacteria. They are extremophiles with certain strains living at around 70 degrees Celsius and a pH of 3....

  • Family Bacillaceae
    Bacillaceae
    Bacillaceae is a family of Gram-positive, heterotrophic, rod-shaped bacteria that may produce endospores. Motile members of this family are characterized by peritrichous flagellae. Some Bacillaceae are aerobic, while others are facultative or strict anaerobes...

  • Family Caryophanaceae
    Caryophanaceae
    Caryophanaceae is a family of Gram positive bacteria. There is only one genus, Caryophanon, represented by this family....

  • Family Listeriaceae
  • Family Paenibacillaceae
    Paenibacillaceae
    The Paenibacillaceae are a family of Gram positive bacteria....

  • Family Planococcaceae
    Planococcaceae
    The Planococcaceae are a family of Gram positive bacteria....

  • Family Sporolactobacillaceae
    Sporolactobacillaceae
    The Sporolactobacillaceae is a family of Gram positive bacteria including the genera Sinobaca, Sporolactobacillus and Tuberibacillus....

  • Family Staphylococcaceae
    Staphylococcaceae
    The Staphylococcaceae is a family of Gram positive bacteria that includes the genus Staphylococcus, noted for encompassing several medically significant pathogens....

  • Family Thermoactinomycetaceae
    Thermoactinomycetaceae
    The Thermoactinomycetaceae is a family of Gram positive endospore-forming bacteria....

  • Family Turicibacteraceae
    Turicibacteraceae
    The Turicibacteraceae is a family of Gram positive bacteria. Turicibacter is the sole genus of this family....


Order Lactobacillales
Lactobacillales
The Lactobacillales are an order of Gram-positive bacteria that comprise the lactic acid bacteria. They are widespread in nature, and are found in soil, water, plants and animals. They are widely used in the production of fermented foods, including dairy products such as yogurt, cheese, butter,...

  • Family Aerococcaceae
    Aerococcaceae
    The Aerococcaceae are a family of Gram-positive lactic acid bacteria, including the bacterium that causes gaffkaemia in lobsters....

  • Family Carnobacteriaceae
    Carnobacteriaceae
    The Carnobacteriaceae are a family of Gram-positive lactic acid bacteria....

  • Family Enterococcaceae
    Enterococcaceae
    The Enterococcaceae is a family of Gram-positive bacteria, placed within the order of Lactobacillales. Representative genera include Atopobacter, Enterococcus, Melissococcus, Pilibacter, Tetragenococcus, and Vagococcus. In this family are some important lactic acid bacteria which produce lactic...

  • Family Lactobacillaceae
    Lactobacillaceae
    The Lactobacillaceae are a family of lactic acid bacteria....

  • Family Leuconostocaceae
    Leuconostocaceae
    The Leuconostocaceae is a family of Gram-positive bacteria, placed within the order of Lactobacillales. Representative genera include Leuconostoc, Oenococcus and Weissella. Bacteria that belongs to these three genera are Gram-positive, non-spore-forming, round or elongated in shape, are anaerobic...

  • Family Streptococcaceae
    Streptococcaceae
    The Streptococcaceae is a family of Gram-positive bacteria, placed within the order of Lactobacillales. Representative genera include Lactococcus, Lactovum, Pilibacter, and Streptococcus....


Order Clostridiales

  • Family Acidaminococcaceae
  • Family Clostridiaceae
    Clostridiaceae
    The Clostridiaceae are a family of the Clostridia, and contains the Clostridium genus.The family Clostridiaceae defined by the taxonomic outline of ' Bergey's Manual of Systematic...

  • Family Eubacteriaceae
    Eubacteriaceae
    Eubacteriaceae is a Gram positive bacteria family in the order Clostridiales...

  • Family Heliobacteriaceae
  • Family Lachnospiraceae
  • Family Peptococcaceae
  • Family Peptostreptococcaceae
    Peptostreptococcaceae
    Peptostreptococcaceae is a family of Gram positive bacteria in the class Clostridia.-External links:* is an experimental JavaScript software for GPAC identification....

  • Family Syntrophomonadaceae

Order Halanaerobiales
Halanaerobiales
The Halanaerobiales are an order of bacteria placed within the class clostridia, and encompassing two families, the Halanaerobiaceae and the Halobacteroidaceae....

  • Family Halanaerobiaceae
  • Family Halobacteroidaceae

Order Thermoanaerobacteriales
Thermoanaerobacteriales
The Thermoanaerobacteriales are an order of bacteria placed within the class clostridia, and encompassing three families, the Thermoanaerobacteriaceae, the Thermodesulfobiaceae and Thermoanaerobacterales Family III. Incertae Sedis. This order is noted for the species abilities to survive in...

 

  • Family Thermoanaerobacteriaceae
  • Family Thermodesulfobiaceae

Order Mycoplasmatales 

  • Family Mycoplasmataceae
    Mycoplasmataceae
    The Mycoplasmataceae is a family of bacteria in the order Mycoplasmatales. This family comprises the species Mycoplasma and Ureaplasma.In 1967 the Order Mycoplasmatales was incorporated into the class Mollicutes....

    • Genus Hepatoplasma (Candidatus)
    • Genus Mycoplasma
      Mycoplasma
      Mycoplasma refers to a genus of bacteria that lack a cell wall. Without a cell wall, they are unaffected by many common antibiotics such as penicillin or other beta-lactam antibiotics that target cell wall synthesis. They can be parasitic or saprotrophic. Several species are pathogenic in humans,...

    • Genus Ureaplasma
      Ureaplasma
      Ureaplasma is a genus of bacteria belonging to the family Mycoplasmataceae. As the name imples, ureaplasma is urease positive.It includes the species:* Ureaplasma canigenitalium* Ureaplasma cati* Ureaplasma diversum...


Order Entomoplasmatales
Entomoplasmatales
The Entomoplasmatales are a small order of mollicute bacteria, including most notably the genus Spiroplasma....

 

  • Family Entomoplasmataceae
    • Genus Entomoplasma
    • Genus Mesoplasma

  • Family Spiroplasmataceae
    • Genus Spiroplasma
      Spiroplasma
      Spiroplasma is a genus of Mollicutes, a group of small bacteria without cell walls. Spiroplasma shares the simple metabolism, parasitic lifestyle, fried-egg colony morphology and small genome of other Mollicutes, but has a distinctive helical morphology, unlike Mycoplasma. It has a spiral shape...


Order Anaeroplasmatales
Anaeroplasmatales
The Anaeroplasmatales are an order of mollicute bacteria. An example is the pathogenic species Erysipelothrix rhusiopathiae....

 

  • Family Anaeroplasmataceae
    • Genus Anaeroplasma
    • Genus Asteroleplasma

  • Family Erysipelotrichaceae
    • Genus Erysipelothrix
    • Genus Holdemania

Order Acholeplasmatales 

  • Family Acholeplasmataceae
    Acholeplasmataceae
    Acholeplasmatales is an order in the Class Mollicutes, containing merely one family, Acholeplasmataceae, comprising the genera Acholeplasma and Phytoplasma...

    • Genus Acholeplasma
      Acholeplasma
      Acholeplasma are wall-less bacteria in the Mollicutes class. They include saprotrophic or pathogenic species. There are 15 recognised species. The G+C content is low, ranging from 26 - 36% . The genomes of Acholeplasma species range in size from 1.5 to 1.65 Mbp. Cholesterol is not required for...

    • Genus Phytoplasma
      Phytoplasma
      Phytoplasma are specialised bacteria that are obligate parasites of plant phloem tissue and transmitting insects . They were first discovered by scientists in 1967 and were named mycoplasma-like organisms or MLOs. They cannot be cultured in vitro in cell-free media...

       (Candidatus)

Phylum Fusobacteria
Fusobacteria
Fusobacteria are obligately anaerobic non-sporeforming gram-negative bacilli. Since the first reports in the late nineteenth century, various names have been applied to these organisms, sometimes with the same name being applied to different species...

  • Family Fusobacteriaceae
    • Genus Fusobacterium
      Fusobacterium
      Fusobacterium is a genus of filamentous, anaerobic, Gram-negative bacteria, similar to Bacteroides.Fusobacterium contribute to several human diseases, including periodontal diseases, Lemierre's syndrome, and topical skin ulcers...

      • Species:F. necrophorum
        Fusobacterium necrophorum
        Fusobacterium necrophorum is the species of Fusobacterium that is responsible for Lemierre's syndrome, and appears to be responsible for 10% of all acute sore throats, 21% of all recurring sore throats, and 23% of peritonsillar abscesses with the remainder being caused by Group A streptococci or...

        , F. nucleatum
        Fusobacterium nucleatum
        Fusobacterium nucleatum is an oral bacterium, indigenous to the human oral cavity, that plays a role in periodontal disease. This organism is commonly recovered from different monomicrobial and mixed infections in humans and animals...

        , F. polymorphum
        Fusobacterium polymorphum
        Fusobacterium polymorphum is a bacterium that has been isolated from the gingival crevice in humans, and has been implicated in the immunopathology of periodontal disease. It has also been isolated in guinea pigs in research studies....

        , F. novum.

Phylum Gemmatimonadetes
Gemmatimonadetes
The Gemmatimonadetes are a family of bacteria, given their own phylum . The first member of this phylum was discovered in 2003 in activated sludge in a sewage treatment system. The bacteria was named Gemmatimonas aurantiaca and is a gram-negative rod-shaped aerobe that appears to replicate by...

  • Genus Gemmatimonas
    • Species: Gemmatimonas aurantiaca

Order Planctomycetales

  • Family Planctomycetacea
    • Genus Gemmata
    • Genus Isosphaera
    • Genus Pirellula
    • Genus Planctomyces
    • Genus Brocadia (candidatus)
    • Genus Kuenenia (candidatus)
    • Genus Scalindua (candidatus)
    • Genus Anammoxoglobus (candidatus)
    • Genus Jettenia (candidatus)

Order Caulobacterales

  • Family Caulobacteraceae
    Caulobacteraceae
    Caulobacteraceae is a family of proteobacteria, given its own order within the alpha subgroup. Like all Proteobacteria, the Caulobacteraceae are gram-negative. Caulobacteraceae includes genera Brevundimonas and Caulobacter.-References:...

    • Genus Asticcacaulis
    • Genus Brevundimonas
      Brevundimonas
      The Brevundimonas are a genus of proteobacteria.-Etymology:The name Brevundimonas derives from:  Latin adjective brevis, short; Latin feminine gender noun unda, a wave; Latin feminine gender noun monas , nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender...

    • Genus Caulobacter
    • Genus Phenylobacterium

Order Kordiimonadales

  • Family Kordiimonadaceae
    • Genus Kordiimonas
      • Species: Kordiimonas gwangyangensis
        Kordiimonas gwangyangensis
        Kordiimonas gwangyangensis is a marine bacterium that can degrade a number of polycyclic hydrocarbons. It was first found in Gwangyang Bay....


Order Parvularculales

  • Family Parvularculaceae
    • Genus Parvularcula
      Parvularcula
      Parvularcula bermudensis is a marine bacterium which was identified in 2003 in the western Sargasso Sea in the Atlantic Ocean. It forms a deep branch in the Alpha Proteobacteria, distinct from the other orders....

      • Species:Parvularcula bermudensis

Order Rhizobiales
Rhizobiales
Rhizobiales is an order of alpha proteobacteria. They are gram-negative.The rhizobia, which fix nitrogen and are symbiotic with plant roots, appear in several different families here. The Bradyrhizobiaceae, Hyphomicrobiaceae, Phyllobacteriaceae, and Rhizobiaceae are the four families that contain...

  • Family Aurantimonadaceae
    Aurantimonadaceae
    The Aurantimonadaceae are a small family of marine bacteria. There are three known species. Aurantimonas coralicida causes a white plague in corals, progressively destroying their tissues and leaving an expanding area that appears bleached. It has been epidemic in the Caribbean. The individual...

    • Genus: Aurantimonas
      • Species: Aurantimonas coralicida,
    • Genus: Fulvimarina
      • Species: Fulvimarina pelagi
  • Family Bartonellaceae
    Bartonellaceae
    The Bartonellaceae are a family of Rhizobiales that contains the genus Bartonella, which has eight species of bacteria which are pathogenic to humans....

    • Genus: Bartonella
      Bartonella
      Bartonella is a genus of Gram-negative bacteria. Facultative intracellular parasites, Bartonella species can infect healthy people but are considered especially important as opportunistic pathogens. Bartonella are transmitted by insect vectors such as ticks, fleas, sand flies and mosquitoes...


  • Family Beijerinckiaceae
    Beijerinckiaceae
    The Beijerinckiaceae are a family of Rhizobiales. They are named after the Dutch microbiologist Martinus Willem Beijerinck. The Beijerinckia are free living nitrogen fixing bacteria....

    • Genus Beijerinckia
    • Genus Chelatococcus
    • Genus Derxia
    • Genus Methylocella

  • Family Bradyrhizobiaceae
    Bradyrhizobiaceae
    The Bradyrhizobiaceae are a family of bacteria, with ten genera. They include plant-associated bacteria such as Bradyrhizobium, a genus of rhizobia associated with some legumes. It also contains animal-associated bacteria such as Afipia felis, formerly thought to cause cat-scratch disease...

    • Genus Afipia
    • Genus Agromonas
      Agromonas
      Agromonas is a genus in the phylum Proteobacteria .-Etymology:The name Agromonas derives from:Greek noun agros, a field; Greek feminine gender noun monas , nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Agromonas, field monad.Members of the genus...

    • Genus Blastobacter
    • Genus Bosea
      Bosea
      Bosea The genus of evergreen, woody shrubs contains 3 species that are geographically widely separated; one in the Canary Islands, one in Cyprus and one in the western Himalayas...

    • Genus Bradyrhizobium
      Bradyrhizobium
      Bradyrhizobium is a genus of Gram-negative soil bacteria, many of which fix nitrogen. Nitrogen fixation is an important part of the nitrogen cycle. Plants cannot use atmospheric nitrogen they must use nitrogen compounds such as nitrates....

    • Genus Nitrobacter
      Nitrobacter
      Nitrobacter is genus of mostly rod-shaped, gram-negative, and chemoautotrophic bacteria.Nitrobacter plays an important role in the nitrogen cycle by oxidizing nitrite into nitrate in soil...

    • Genus Oligotropha
    • Genus Photorhizobium
    • Genus Rhodoblastus
    • Genus Rhodopseudomonas

  • Family Brucellaceae
    Brucellaceae
    The Brucellaceae are a family of the gram-negative Rhizobiales. They are named after Sir David Bruce, a Scottish microbiologist. They are aerobic chemoorganotrophes.. The family comprises pathogen and soil bacteria...

    • Genus Brucella
      Brucella
      Brucella is a genus of Gram-negative bacteria. They are small , non-motile, non-encapsulated coccobacilli, which function as facultative intracellular parasites....

    • Genus Mycoplana
    • Genus Ochrobactrum

  • Family Hyphomicrobiaceae
    Hyphomicrobiaceae
    The Hyphomicrobiaceae are a family of bacteria. Among others, they include Rhodomicrobium, a genus of purple bacteria....

    • Genus Ancalomicrobium
    • Genus Ancylobacter
    • Genus Angulomicrobium
    • Genus Aquabacter
    • Genus Azorhizobium
      Azorhizobium
      Azorhizobium is a genus of Gram-negative soil bacteria. They fix nitrogen in symbiosis with plants in the genus Sesbania. Strain ORS571 of A. caulinodans has been fully sequenced....

    • Genus Blastochloris
    • Genus Devosia
      Devosia
      Devosia is a genus of Gram-negative soil bacteria. It is named after the belgian microbiologist Paul De Vos. They are motile by flagella, the cells are rod-shaped....

    • Genus Dichotomicrobium
    • Genus Filomicrobium
    • Genus Gemmiger
    • Genus Hyphomicrobium
    • Genus Labrys
      Labrys
      Labrys is the term for a symmetrical doubleheaded axe originally from Crete in Greece, one of the oldest symbols of Greek civilization; to the Romans, it was known as a bipennis....

    • Genus Methylorhabdus
    • Genus Pedomicrobium
      Pedomicrobium
      Pedomicrobium is a ubiquitous bacterium dominant in biofilms of man-made aquatic environments such as water distribution systems and bioreactors...

    • Genus Prosthecomicrobium
    • Genus Rhodomicrobium
    • Genus Rhodoplanes
    • Genus Seliberia
    • Genus Starkeya
    • Genus Xanthobacter

  • Family Methylobacteriaceae
    Methylobacteriaceae
    The Methylobacteriaceae are a family of Rhizobiales....

    • Genus Methylobacterium
      Methylobacterium
      The Methylobacteria are a genus of Rhizobiales.http://microbewiki.kenyon.edu/index.php/MethylobacteriumPhylogenetic treehttp://www.oeb.harvard.edu/faculty/marx/images/clip_image004copy.gif...

    • Genus Microvirga
    • Genus Protomonas
    • Genus Roseomonas

  • Family Methylocystaceae
    Methylocystaceae
    The Methylocystaceae are a family of bacteria that are capable of obtaining carbon and energy from methane. Such bacteria are called methanotrophs, and in particular the Methylocystaceae comprise the type II methanotrophs, which are structurally and biochemically distinct from the Methylococcaceae...

    • Genus Methylocystis
    • Genus Methylosinus
    • Genus Methylopila

  • Family Phyllobacteriaceae
    Phyllobacteriaceae
    The Phyllobacteriaceae are a family of bacteria that contain nine genera. The most common of these is Mesorhizobium which contains some of the rhizobia species....

    • Genus Aminobacter
      Aminobacter
      The Aminobacter are a genus of Gram-negative soil bacteria....

    • Genus Aquamicrobium
    • Genus Defluvibacter
    • Genus Hoeflea
    • Genus Mesorhizobium
      Mesorhizobium
      Mesorhizobium is a genus of Gram-negative soil bacteria. At least one, the nitrogen fixing species, Mesorhizobium loti, forms symbiotic root nodules with plants in the genus Lotus. Strain MAFF303099 of M. loti has been fully sequenced....

    • Genus Nitratireductor
    • Genus Parvibaculum
    • Genus Phyllobacterium
    • Genus Pseudaminobacter

  • Family Rhizobiaceae
    Rhizobiaceae
    The Rhizobiaceae are a family of proteobacteria, including many species of rhizobia as well as plant parasites like Agrobacterium. Rhizobiaceae are, like all Proteobacteria, gram-negative. They are aerobic and the cells are usually rod-shaped. Many species of the Rhizobiaceae are diazotrophs, they...

    • Genus Agrobacterium
      Agrobacterium
      Agrobacterium is a genus of Gram-negative bacteria established by H. J. Conn that uses horizontal gene transfer to cause tumors in plants. Agrobacterium tumefaciens is the most commonly studied species in this genus...

    • Genus Rhizobium
      Rhizobium
      Rhizobium is a genus of Gram-negative soil bacteria that fix nitrogen. Rhizobium forms an endosymbiotic nitrogen fixing association with roots of legumes and Parasponia....

    • Genus Sinorhizobium
      Sinorhizobium
      Sinorhizobium/Ensifer is a genus of nitrogen-fixing bacteria , two of which have been sequenced.-Etymology:...

    • Genus Liberibacter (candidatus)

  • Family Rhodobiaceae
    Rhodobiaceae
    The Rhodobiaceae are a family of bacteria....

    • Genus Rhodobium
      • Species: Rhodobium orientis, Rhodobium marina
            • kissny ass

Order Rhodobacterales
Rhodobacterales
In taxonomy, the Rhodobacterales are an order of the Alphaproteobacteria.Gene transfer agents are viruslike elements produced by Rhodobacterales which transfer DNA and may be an important factor in their evolution.-External links:...

  • Family Rhodobacteraceae
    Rhodobacteraceae
    The Rhodobacteraceae are a family of proteobacteria, given their own order within the alpha subgroup. Like all proteobaceria, they are gram-negative. It contains chemoorganotrophs and photoheterotrophs bacteria. Many occur in aquatic habitats....

    • Genus Ahrensia
      Ahrensia
      In taxonomy, Ahrensia is a genus of the Rhodobacteraceae. Ahrensia is named after the German microbiologist R. Ahrens. The cells are rod-shaped and motile. They are strictly aerobic.-External links:...

    • Genus Albidovulum
      Albidovulum
      In taxonomy, Albidovulum is a genus of the Rhodobacteraceae.-External links:...

    • Genus Amaricoccus
      Amaricoccus
      In taxonomy, Amaricoccus is a genus of the Rhodobacteraceae.-External links:...

    • Genus Antarctobacter
      Antarctobacter
      In taxonomy, Antarctobacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Catellibacterium
      Catellibacterium
      In taxonomy, Catellibacterium is a genus of the Rhodobacteraceae.-External links:...

    • Genus Citreicella
      Citreicella
      In taxonomy, Citreicella is a genus of the Rhodobacteraceae.-External links:...

    • Genus Dinoroseobacter
      Dinoroseobacter
      In taxonomy, Dinoroseobacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Haematobacter
      Haematobacter
      In taxonomy, Haematobacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Jannaschia
      Jannaschia
      In taxonomy, Jannaschia is a genus of the Rhodobacteraceae.-External links:...

    • Genus Ketogulonicigenium
      Ketogulonicigenium
      In taxonomy, Ketogulonicigenium is a genus of the Rhodobacteraceae.-External links:...

    • Genus Leisingera
      Leisingera
      In taxonomy, Leisingera is a genus of the Rhodobacteraceae.-External links:...

    • Genus Loktanella
      Loktanella
      In taxonomy, Loktanella is a genus of the Rhodobacteraceae.-External links:...

    • Genus Maribius
      Maribius
      In taxonomy, Maribius is a genus of the Rhodobacteraceae.-External links:...

    • Genus Marinosulfonomonas
      Marinosulfonomonas
      In taxonomy, Marinosulfonomonas is a genus of the Rhodobacteraceae.-External links:...

    • Genus Marinovum
      Marinovum
      In taxonomy, Marinovum is a genus of the Rhodobacteraceae.-External links:...

    • Genus Maritimibacter
      Maritimibacter
      In taxonomy, Maritimibacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Methylarcula
      Methylarcula
      In taxonomy, Methylarcula is a genus of the Rhodobacteraceae.-External links:...

    • Genus Nereida
      Nereida
      In taxonomy, Nereida is a genus of the Rhodobacteraceae.-External links:...

    • Genus Oceanibulbus
      Oceanibulbus
      In taxonomy, Oceanibulbus is a genus of the Rhodobacteraceae.-External links:...

    • Genus Oceanicola
      Oceanicola
      In taxonomy, Oceanicola is a genus of the Rhodobacteraceae.-External links:...

    • Genus Octadecabacter
      Octadecabacter
      In taxonomy, Octadecabacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Palleronia
      Palleronia
      In taxonomy, Palleronia is a genus of the Rhodobacteraceae.-External links:...

    • Genus Pannonibacter
      Pannonibacter
      In taxonomy, Pannonibacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Paracoccus
      Paracoccus
      In taxonomy, Paracoccus is a genus of the Rhodobacteraceae.-External links:...

    • Genus Phaeobacter
      Phaeobacter
      In taxonomy, Phaeobacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Pseudorhodobacter
      Pseudorhodobacter
      In taxonomy, Pseudorhodobacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Pseudovibrio
      Pseudovibrio
      In taxonomy, Pseudovibrio is a genus of the Rhodobacteraceae.-External links:...

    • Genus Rhodobaca
      Rhodobaca
      In taxonomy, Rhodobaca is a genus of the Rhodobacteraceae.-External links:...

    • Genus Rhodobacter
      Rhodobacter
      In taxonomy, Rhodobacter is a genus of the Rhodobacteraceae.The most famous species of Rhodobacter is Rhodobacter sphaeroides, which is commonly used to express proteins.-External links:...

    • Genus Rhodothalassium
      Rhodothalassium
      In taxonomy, Rhodothalassium is a genus of the Rhodobacteraceae.-External links:...

    • Genus Rhodovulum
      Rhodovulum
      In taxonomy, Rhodovulum is a genus of the Rhodobacteraceae.-External links:...

    • Genus Roseibacterium
      Roseibacterium
      In taxonomy, Roseibacterium is a genus of the Rhodobacteraceae.-External links:...

    • Genus Roseibium
      Roseibium
      In taxonomy, Roseibium is a genus of the Rhodobacteraceae.-External links:...

    • Genus Roseicyclus
      Roseicyclus
      In taxonomy, Roseicyclus is a genus of the Rhodobacteraceae.-External links:...

    • Genus Roseinatronobacter
      Roseinatronobacter
      In taxonomy, Roseinatronobacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Roseisalinus
      Roseisalinus
      In taxonomy, Roseisalinus is a genus of the Rhodobacteraceae.-External links:...

    • Genus Roseivivax
      Roseivivax
      In taxonomy, Roseivivax is a genus of the Rhodobacteraceae.-External links:...

    • Genus Roseobacter
    • Genus Roseovarius
      Roseovarius
      In taxonomy, Roseovarius is a genus of the Rhodobacteraceae.-External links:...

    • Genus Rubrimonas
      Rubrimonas
      In taxonomy, Rubrimonas is a genus of the Rhodobacteraceae.-External links:...

    • Genus Ruegeria
      Ruegeria
      In taxonomy, Ruegeria is a genus of the Rhodobacteraceae. This genus was formerly known as the marine Agrobacterium before they were reclassified in 1998...

    • Genus Sagittula
      Sagittula
      In taxonomy, Sagittula is a genus of the Rhodobacteraceae.-External links:...

    • Genus Salipiger
      Salipiger
      In taxonomy, Salipiger is a genus of the Rhodobacteraceae.-External links:...

    • Genus Silicibacter
      Silicibacter
      In taxonomy, Silicibacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Staleya
      Staleya
      In taxonomy, Staleya is a genus of the Rhodobacteraceae.This genus is named in honor of the American microbiologist J.T. Staley for his work on budding bacteria.-External links:...

    • Genus Stappia
      Stappia
      In taxonomy, Stappia is a genus of the Rhodobacteraceae.-External links:...

    • Genus Sulfitobacter
      Sulfitobacter
      In taxonomy, Sulfitobacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Tetracoccus
    • Genus Thalassobacter
      Thalassobacter
      In taxonomy, Thalassobacter is a genus of the Rhodobacteraceae.-External links:...

    • Genus Thalassobius
      Thalassobius
      In taxonomy, Thalassobius is a genus of the Rhodobacteraceae.-External links:...

    • Genus Thioclava
      Thioclava
      In taxonomy, Thioclava is a genus of the Rhodobacteraceae.-External links:...

    • Genus Yangia
      Yangia
      In taxonomy, Yangia is a genus of the Rhodobacteraceae.-External links:...


Order Rhodospirillales
Rhodospirillales
The Rhodospirillales is an order of Proteobacteria, with two families: the Acetobacteraceae and the Rhodospirillaceae.The Acetobacteraceae comprise the acetic acid bacteria, which are heterotrophic and produce acetic acid during their respiration. The Rhodospirillaceae include mainly purple...

  • Family Rhodospirillaceae
    Rhodospirillaceae
    The Rhodospirillaceae are a family of Proteobacteria. The majority are purple non-sulfur bacteria, producing energy through photosynthesis; originally all purple non-sulfur bacteria were included here...

    • Genus Azospirillum
    • Genus Dechlorospirillum
    • Genus Defluvicoccus
    • Genus Inquilinus
    • Genus Magnetospirillum
      Magnetospirillum
      Magnetospirillum is a Gram-negative, microaerophilic genus of magnetotactic bacterium, first isolated from pond water by the microbiologist R. P. Blakemore in 1975. It is characterized by a spirillar, or helical, morphology. It is also a motile bacterium owing to the presence of a polar flagellum...

    • Genus Phaeospirillum
    • Genus Rhodocista
    • Genus Rhodospira
    • Genus Rhodospirillum
    • Genus Rhodovibrio
    • Genus Roseospira
    • Genus Skermanella
    • Genus Thalassospira
    • Genus Tistrella

  • Family Rhodospirillaceae
    Rhodospirillaceae
    The Rhodospirillaceae are a family of Proteobacteria. The majority are purple non-sulfur bacteria, producing energy through photosynthesis; originally all purple non-sulfur bacteria were included here...

    • Genus Acetobacter
      Acetobacter
      Acetobacter is a genus of acetic acid bacteria characterized by the ability to convert ethanol to acetic acid in the presence of oxygen. There are several species within this genus, and there are other bacteria capable of forming acetic acid under various conditions; but all of the Acetobacter are...

    • Genus Acidicaldus
      Acidicaldus
      Acidicaldus is a genus in the phylum Proteobacteria , whose sole member is an acidophilic thermophile.-Etymology:The name Acidicaldus derives from:New Latin noun acidum , an acid; Latin adjective caldus, warm, hot; New Latin masculine gender noun Acidicaldus, a thermophilic acid-requiring...

    • Genus Acidiphilium
      Acidiphilium
      Acidiphilium is a genus in the phylum Proteobacteria .-Etymology:The name Acidiphilium derives from:New Latin noun acidum , an acid; New Latin neuter gender adjective philum , friend, loving; New Latin neuter gender noun Acidiphilium , acid...

    • Genus Acidisphaera
      Acidisphaera
      Acidisphaera is a genus in the phylum Proteobacteria . The genus contains a single species, namely A. rubrifaciens with the following characteristics:* strictly aerobic, light preferred* mesophilic...

    • Genus Acidocella
      Acidocella
      Acidocella is a genus in the phylum Proteobacteria . Its members are acidophilic.-Etymology:The name Acidocella derives from:New Latin noun acidum , an acid; Latin feminine gender noun cella, a store-room, a chamber and, in biology, a cell; New Latin feminine gender noun Acidocella, acid...

    • Genus Acidomonas
      Acidomonas
      Acidomonas is a genus in the phylum Proteobacteria . The genus contains single species, namely A. methanolica, formerly known as Acetobacter methanolicus-Etymology:...

    • Genus Asaia
    • Genus Belnapia
    • Genus Craurococcus
    • Genus Gluconacetobacter
    • Genus Gluconobacter
    • Genus Kozakia
    • Genus Leahibacter
    • Genus Muricoccus
    • Genus Neoasaia
    • Genus Oleomonas
    • Genus Paracraurococcus
    • Genus Rhodopila
    • Genus Roseococcus
    • Genus Rubritepida
    • Genus Saccharibacter
    • Genus Stella
      Stella
      -People:*Stella , a feminine given name** Stella McCartney, English fashion designer** Stella , Singaporean-Taiwanese singer** Stella Maessen, Dutch singer, sometimes going under the singular name of Stella-Fictional characters:...

    • Genus Swaminathania
    • Genus Teichococcus
    • Genus Zavarzinia

Order Rickettsiales
Rickettsiales
The Rickettsiales, also called rickettsias, are an order of small proteobacteria. Most of those described survive only as endosymbionts of other cells. Some are notable pathogens, including Rickettsia, which causes a variety of diseases in humans...

  • Family Rickettsiaceae
    Rickettsiaceae
    The Rickettsiaceae are a family of bacteria, including most notably the genus Rickettsia.Most human pathogens are in genus Rickettsia. They spend part of their life cycle in the bodies of arthropods such as ticks or lice, and are then transmitted to humans or other mammals by the bite of the...

    • Genus Rickettsia
      Rickettsia
      Rickettsia is a genus of non-motile, Gram-negative, non-sporeforming, highly pleomorphic bacteria that can present as cocci , rods or thread-like . Being obligate intracellular parasites, the Rickettsia survival depends on entry, growth, and replication within the cytoplasm of eukaryotic host cells...

    • Genus Orientia
      Orientia
      Orientia is a genus of bacteria in family Rickettsiaceae.They are obligate intracellular gram negative bacteria found in insects and mammals. They are spread through the bites or feces of infected insects.One species is Orientia tsutsugamushi....

    • Genus Wolbachia
      Wolbachia
      Wolbachia is a genus of bacteria which infects arthropod species, including a high proportion of insects , as well as some nematodes. It is one of the world's most common parasitic microbes and is possibly the most common reproductive parasite in the biosphere...


  • Family Ehrlichiaceae
    Ehrlichiaceae
    The Ehrlichiaceae are a family of bacteria, included in the order Rickettsiales....

    • Genus Aegyptianella
      Aegyptianella
      Aegyptianella is a genus in the phylum Proteobacteria .-Etymology:The name Aegyptianella derives from:New Latin feminine gender dim. noun Aegyptianella , named after Egypt where the organism was described .-Species:The genus contains a single species, namely A...

    • Genus Anaplasma
      Anaplasma
      Anaplasma is a genus of rickettsiales bacteria.Anaplasmas reside in host red blood cells and lead to the disease anaplasmosis. The disease most commonly occurs in tropical areas of the world....

    • Genus Cowdria
    • Genus Ehrlichia
      Ehrlichia
      Ehrlichia is a genus of rickettsiales bacteria. They are transmitted by ticks. Several species can cause infection in humans. The genus is named after German microbiologist Paul Ehrlich...

    • Genus Neorickettsia
      Neorickettsia
      Species or Strains in this group are coccoid or pleomorphic cells that reside in cytoplasmic vacuoleswithin monocytes and macrophages of dogs, horses, bats, andhumans....


  • Family Holosporaceae
    Holosporaceae
    The Holosporaceae are a family of bacteria, included in the order Rickettsiales....

    • Genus Caedibacter
    • Genus Holospora
    • Genus Lyticum
      Lyticum
      Lyticum is a genus in the phylum Proteobacteria .-Etymology:The name Lyticum derives from:New Latin adjective lyticus -a -um , able to loose, able to dissolve; New Latin neuter gender noun Lyticum, dissolver.-Species:The genus contains 2 species , namely*...

    • Genus Odyssella
    • Genus Polynucleobacter
    • Genus Symbiotes
    • Genus Tectibacter

Order Sphingomonadales

  • Family Sphingomonadaceae
    Sphingomonadaceae
    Sphingomonadaceae are a family of Alpha Proteobacteria that contain all the sphingomonads....

    • Genus Blastomonas
    • Genus Citromicrobium
    • Genus Erythrobacter
    • Genus Erythromicrobium
    • Genus Kaistobacter
    • Genus Lutibacterium
      Lutibacterium
      Lutibacterium is a genus of Gram-negative staining bacteria. It includes the hydrocarbon-degrading strain Lutibacterium anuloederans LC8....

    • Genus Novosphingobium
      Novosphingobium
      Novosphingobium is a genus of Gram-negative bacteria that includes N. taihuense, which can degrade aromatic compounds such as phenol, aniline, nitrobenzene and phenanthrene. The species N. aromativorans, which was first found in Ulsan Bay, similarly degrades aromatic molecules of two to five rings....

    • Genus Porphyrobacter
    • Genus Sandaracinobacter
    • Genus Sphingobium
      Sphingobium
      Sphingobium species are different from other sphingomonads in that they are commonly isolated from soil, however Sphingobium yanoikuyae was isolated from a clinical specimen...

    • Genus Sphingomonas
      Sphingomonas
      Sphingomonas was defined in 1990 as a group of Gram-negative, rod-shaped, chemoheterotrophic, strictly aerobic bacteria. They possess ubiquinone 10 as their major respiratory quinone, contain glycosphingolipids instead of lipopolysaccharide in their cell envelopes, and typically produce...

    • Genus Sphingopyxis
      Sphingopyxis
      Sphingomonas is one of the four genera of sphingomonads.Sphingomonas alaskensis and S. flavimarisis are the dominant bacteria in some marine oligotrophic environments. S. chilensis degrades chlorophenol. S. macrogoltabida and S. terrae degrade polyethylene glycol, and S. witflariensis was isolated...

    • Genus Zymomonas
      Zymomonas
      Zymomonas is a genus of bacteria. The best known species from this genus is Zymomonas mobilis. Members of this genus are gram negative, facultative anaerobic, non-sporulating, polarly-flagellated, rod-shaped bacteria....


Order Burkholderiales
Burkholderiales
The Burkholderiales are an order of Proteobacteria. Like all Proteobacteria, they are gram-negative. They include several pathogenic bacteria, including species of Burkholderia and Bordetella. They also include Oxalobacter and related genera, which are unusual in using oxalic acid as their source...

  • Family Alcaligenaceae
    Alcaligenaceae
    The Alcaligenaceae are a family of bacteria, included in the order Burkholderiales. Members are found in water, soil, animals and humans. Some species, like some of Bordetella, are pathogen for humans and for some animals....

    • Genus Achromobacter
      Achromobacter
      The Achromobacter are a genus of bacteria, included in the order Burkholderiales. The cells are straight rods and are motile by using 1 – 20 peritrichous flagella. They are strictly aerobic and are found in water and soils....

    • Genus Alcaligenes
      Alcaligenes
      Alcaligenes is a genus of Gram-negative, aerobic, rod-shaped bacteria. The species are motile with one or more peritrichous flagella.Alcaligenes species have been used for the industrial production of non-standard amino acids; A. eutrophus also produces the biopolymer polyhydroxybutyrate .-External...

    • Genus Bordetella
      Bordetella
      Bordetella is a genus of small , Gram-negative coccobacilli of the phylum proteobacteria. Bordetella species, with the exception of B. petrii, are obligate aerobes as well as highly fastidious, or difficult to culture. Three species are human pathogens ; one of these Bordetella is a genus of small...

    • Genus Pelistega
    • Genus Sutterella
    • Genus Taylorella
      Taylorella
      Taylorella is a genus of the Alcaligenaceae of the ordo of the Burkholderiales. The cells are usually rod-shaped.There are two species of Taylorella:* Taylorella equigenitalis: causes the Contagious Equine Metritis in horses....


  • Family Burkholderiaceae
    Burkholderiaceae
    The Burkholderiaceae are a family of bacteria, included in the order Burkholderiales. It includes some pathogenic species, like Burkholderia mallei and Burkholderia pseudomallei .-External links:...

    • Genus Burkholderia
      Burkholderia
      Burkholderia is a genus of proteobacteria probably best known for its pathogenic members:Burkholderia mallei, responsible for glanders, a disease that occurs mostly in horses and related animals;...

    • Genus Chitinimonas
    • Genus Cupriavidus
      Cupriavidus
      Cupriavidus is a genus of bacteria that includes the former genus Wautersia. The cells are short rod-shaped. Furthermore, they are motile by peritrichous flagella, obligat aerobic and chemoorganotroph.-External links:*...

    • Genus Lautropia
    • Genus Limnobacter
    • Genus Pandoraea
    • Genus Paucimonas
    • Genus Polynucleobacter
    • Genus Ralstonia
      Ralstonia
      Ralstonia is a genus of proteobacteria, previously included in the genus Pseudomonas. It is named after the American bacteriologist E. Ralston.-Genomics:* *...

    • Genus Thermothrix

  • Family Comamonadaceae
    Comamonadaceae
    The Comamonadaceae are a family of the Beta Proteobacteria. Like all Proteobacteria, they are Gram-negative. They are aerobic and most of the species are motile via flagella and curved rod-shaped.-References:...

    • Genus Acidovorax
      Acidovorax
      The Acidovorax are a genus of Proteobacteria. A. avenae causes bacterial fruit blotch on cucurbit crops....

    • Genus Aquabacterium
    • Genus Brachymonas
    • Genus Comamonas
      Comamonas
      The Comamonas are a genus of Proteobacteria....

    • Genus Curvibacter
      Curvibacter
      Curvibacter is a genus of Comamonad bacteria....

    • Genus Delftia
      Delftia
      Delftia is a genus of Comamonad bacteria....

    • Genus Hydrogenophaga
      Hydrogenophaga
      Hydrogenophaga is a genus of Comamonad bacteria, several of which were formerly classified in the genus Pseudomonas....

    • Genus Ideonella
    • Genus Leptothrix
    • Genus Pelomonas
    • Genus Polaromonas
    • Genus Rhodoferax
    • Genus Roseateles
    • Genus Sphaerotilus
    • Genus Tepidimonas
    • Genus Thiomonas
    • Genus Variovorax

  • Family Oxalobacteraceae
    Oxalobacteraceae
    The Oxalobacteraceae are a family of bacteria, included in the order Burkholderiales. Like all Proteobacteria, Oxalobacteraceae are gram-negative. The Family includes strict aerobes, strict anaerobes, and also nitrogen-fixing members....

    • Genus Collimonas
      Collimonas
      Collimonas is a genus of bacteria in the Oxalobacteraceae family....

    • Genus Duganella
      Duganella
      Duganella is a genus of bacteria in the Oxalobacteraceae family....

    • Genus Herbaspirillum
      Herbaspirillum
      Herbaspirillum is a genus of bacteria, including the nitrogen fixing Herbaspirillum lusitanum, which nodulates Phaseolus vulgaris....

    • Genus Herminiimonas
      Herminiimonas
      Herminiimonas is a genus of bacteria in the Oxalobacteraceae family. It contains Beta Proteobacteria that have been isolated from spring and mineral waters. The type species, H. fonticola, was first recovered from the borehole of bottled mineral water in Eastern Portugal....

    • Genus Janthinospirillum
    • Genus Massilia
    • Genus Naxibacter
      Naxibacter
      Naxibacter is a genus of bacteria in the Oxalobacteraceae family....

    • Genus Oxalobacter
      Oxalobacter
      Oxalobacter is a genus of bacteria in the Oxalobacteraceae family. The species are chemoorganotroph and strictly anaerobic. They are found in rumens of animals like cattles and in fecal of other animals and humans. Some are marine and some have been isolated from freshwater....

    • Genus Oxalicibacterium
      Oxalicibacterium
      Oxalicibacterium is a genus of bacteria in the Oxalobacteraceae family.-External links:*...

    • Genus Telluria
      Telluria
      The Telluria are a genus of Gram-negative soil bacteria....


Order Hydrogenophilales

  • Family Hydrogenophilales
    • Hydrogenophilus
    • Tepidiphilus
    • Thiobacillus

Order Methylophilales

  • Family Methylophilaceae
    Methylophilaceae
    The Methylophilaceae are a family of Proteobacteria, given their own order. Like all Proteobacteria, they are gram-negative. The cells are slightly curved or straight rod-shaped.-External links:...

    • Methylophilus
    • Methylobacillus
      Methylobacillus
      The Methylobacillus are a genus of Gram-negative methylotrophic bacteria. The cells are rod shaped.-External links:* J.P. Euzéby: List of Prokaryotic names with Standing in Nomenclature...

    • Methylovorax

Order Spirochaetales 

  • Family Spirochetaceae
    • Genus Borrelia
      Borrelia
      Borrelia is a genus of bacteria of the spirochete phylum. It causes borreliosis, a zoonotic, vector-borne disease transmitted primarily by ticks and some by lice, depending on the species...

    • Genus Brevinema
    • Genus Cristispira
    • Genus Spirochaeta
    • Genus Spironema
    • Genus Treponema
      Treponema
      Treponema is a bacterial genus. The major species is Treponema pallidum, whose subspecies are responsible for diseases such as syphilis and yaws.The species Treponema hyodysenteriae and Treponema innocens have been reclassified into Serpula....


  • Family Serpulinaceae
    • Genus Brachyspira (Serpulina)

  • Family Leptospiraceae
    Leptospiraceae
    Leptospiraceae is a family of spirochetes.It includes the genus Leptospira....

    • Genus Leptospira
      Leptospira
      Leptospira is a genus of spirochaete bacteria, including a small number of pathogenic and saprophytic species...

    • Genus Leptonema
      Leptonema
      Leptonema is a genus of flowering plant belonging to the family Phyllanthaceae....


Phylum Thermodesulfobacteria
Thermodesulfobacteria
The Thermodesulfobacteria are a phylum of thermophilic sulfate-reducing bacteria.-Phylogeny:The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature and the phylogeny is based on 16S rRNA-based LTP release 106 by The All-Species Living Tree Project...

  • Family Thermodesulfobacteriaceae
    • Genus Thermodesulfobacterium

Phylum Thermomicrobia
Thermomicrobia
The Thermomicrobia are a group of thermophilic green non-sulfur bacteria. Until 2004, they were classified as a distinct phylum. It has recently been proposed, on the basis of an analysis of genetic affiliations, that the Thermomicrobia should more properly be reclassified as a class belonging to...

Thermomicrobia phylum is a phenotype
Phenotype
A phenotype is an organism's observable characteristics or traits: such as its morphology, development, biochemical or physiological properties, behavior, and products of behavior...

 of the green non-sulfur
Sulfur
Sulfur or sulphur is the chemical element with atomic number 16. In the periodic table it is represented by the symbol S. It is an abundant, multivalent non-metal. Under normal conditions, sulfur atoms form cyclic octatomic molecules with chemical formula S8. Elemental sulfur is a bright yellow...

 bacteria. It is, as its name suggests, thermophilic. Some scientist
Scientist
A scientist in a broad sense is one engaging in a systematic activity to acquire knowledge. In a more restricted sense, a scientist is an individual who uses the scientific method. The person may be an expert in one or more areas of science. This article focuses on the more restricted use of the word...

s suggest that the thermomicrobia phylum is not a true bacteriological phylum, but a sub-division of the green non-sulfur division along with the current chloroflexi
Chloroflexi
Chloroflexi is one of four classes of bacteria in the phylum Chloroflexi, known as filamentous green non-sulfur bacteria. They produce energy from light and are named for their green pigment, usually found in photosynthetic bodies called chlorosomes....

 phylum.

Order Verrucomicrobiales

  • Family Verrucomicrobiaceae
    • Genus Verrucomicrobium
    • Genus Prosthecobacter
    • Genus Akkermansia
      Akkermansia
      Akkermansia is a genus in the phylum Verrucomicrobia .-Etymology:The name Akkermansia derives from:New Latin feminine gender noun Akkermansia, named after Antoon Akkermans, a Dutch microbiologist recognized for his contribution to microbial ecology.-Species:The genus contains a single species,...

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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