Pseudomonas amygdali is a Gram-negative

Gram-negative

Gram-negative bacteria are bacteria that do not retain crystal violet dye in the Gram staining protocol. In a Gram stain test, a counterstain is added after the crystal violet, coloring all Gram-negative bacteria with a red or pink color...

 plant

Plant

Plants are living organisms belonging to the kingdom Plantae. Precise definitions of the kingdom vary, but as the term is used here, plants include familiar organisms such as trees, flowers, herbs, bushes, grasses, vines, ferns, mosses, and green algae. The group is also called green plants or...

 pathogenic bacterium. It is named after its ability to cause disease on almond

Almond

The almond , is a species of tree native to the Middle East and South Asia. Almond is also the name of the edible and widely cultivated seed of this tree...

 (Prunus amygdalus) trees. Based on 16S rRNA analysis, P. amygdali has been placed in the P. syringae group. Following ribotypical analysis

Ribotyping

Ribotyping involves the fingerprinting of genomic DNA restriction fragments that contain all or part of the genes coding for the 16S and 23S rRNA. Conceptually, ribotyping is similar to probing restriction fragments of chromosomal DNA with cloned probes ....

 several pathovars of Pseudomonas syringae

Pseudomonas syringae

Pseudomonas syringae is a rod shaped, Gram-negative bacterium with polar flagella. It is a plant pathogen which can infect a wide range of plant species, and exists as over 50 different pathovars, all of which are available to legitimate researches via international culture collections such as the...

were incorporated into this species. It was also proposed that Pseudomonas ficuserectae

Pseudomonas ficuserectae

Pseudomonas ficuserectae is a fluorescent, Gram-negative, soil bacterium that causes bacterial leaf spot on a Japanese fig , from which it derives its name. Based on 16S rRNA analysis, P. ficuserectae has been placed in the P. syringae group....

, Pseudomonas meliae

Pseudomonas meliae

Pseudomonas meliae is a fluorescent, Gram-negative, soil bacterium that causes bacterial gall of the chinaberry , from which it derives its name. Based on 16S rRNA analysis, P. meliae has been placed in the P. syringae group....

, and Pseudomonas savastanoi

Pseudomonas savastanoi

Pseudomonas savastanoi is a Gram-negative plant pathogenic bacterium that infects a variety of plants. It was once considered a pathovar of Pseudomonas syringae, but following DNA-relatedness studies, it was instated as a new species....

be incorporated into this species, though there is not a consensus, while others assert that Pseudomonas savastanoi

Pseudomonas savastanoi

Pseudomonas savastanoi is a Gram-negative plant pathogenic bacterium that infects a variety of plants. It was once considered a pathovar of Pseudomonas syringae, but following DNA-relatedness studies, it was instated as a new species....

is the more legitimate name.

Pathovars

Pseudomonas amygdali pv. aesculi infects Buckeye and Horse-chestnut trees (Genus Aesculus

Aesculus

The genus Aesculus comprises 13-19 species of woody trees and shrubs native to the temperate northern hemisphere, with 6 species native to North America and 7-13 species native to Eurasia; there are also several hybrids. Species are deciduous or evergreen...

).

Pseudomonas amygdali pv. amygdali was isolated from Prunus

Prunus

Prunus is a genus of trees and shrubs, which includes the plums, cherries, peaches, apricots and almonds. There are around 430 species spread throughout the northern temperate regions of the globe. Many members of the genus are widely cultivated for fruit and ornament.-Botany:Members of the genus...

 amygdalus.

Pseudomonas amygdali pv. ciccaronei causes disease on the Carob tree

Carob tree

Ceratonia siliqua, commonly known as the Carob tree and St John's-bread, is a species of flowering evergreen shrub or tree in the pea family, Fabaceae...

 (Ceratonia siliqua).

Pseudomonas amygdali pv. dendropanacis is pathogenic to Dendropanax

Dendropanax

Dendropanax is a genus of flowering plants in the family Araliaceae, consisting of 92 species of evergreen trees and shrubs. They are native to Central and South America, eastern Asia and the Malay Peninsula....

 trifidus.

Pseudomonas amygdali pv. eriobotryae infects Loquat

Loquat

The loquat , Eriobotrya japonica, is a fruit tree in the family Rosaceae, indigenous to southeastern China. It was formerly thought to be closely related to the genus Mespilus, and is still sometimes known as the Japanese medlar...

 trees (Eriobotrya japonica).

Pseudomonas amygdali pv. glycinea causes disease of soybeans (Glycine max).

Pseudomonas amygdali pv. hibisci is pathogenic to Hibiscus

Hibiscus

Hibiscus is a genus of flowering plants in the mallow family, Malvaceae. It is quite large, containing several hundred species that are native to warm-temperate, subtropical and tropical regions throughout the world...

plants.

Pseudomonas amygdali pv. lachrymans causes angular leaf spot on cucumber

Cucumber

The cucumber is a widely cultivated plant in the gourd family Cucurbitaceae, which includes squash, and in the same genus as the muskmelon. The plant is a creeping vine which bears cylindrical edible fruit when ripe. There are three main varieties of cucumber: "slicing", "pickling", and...

.

Pseudomonas amygdali pv. mellea causes disease on tobacco

Tobacco

Tobacco is an agricultural product processed from the leaves of plants in the genus Nicotiana. It can be consumed, used as a pesticide and, in the form of nicotine tartrate, used in some medicines...

 plants.

Pseudomonas amygdali pv. mori is pathogenic on mulberry

Mulberry

Morus is a genus of flowering plants in the family Moraceae. The 10–16 species of deciduous trees it contains are commonly known as Mulberries....

 trees.

Pseudomonas amygdali pv. morsprunorum causes disease on cherries

Cherry

The cherry is the fruit of many plants of the genus Prunus, and is a fleshy stone fruit. The cherry fruits of commerce are usually obtained from a limited number of species, including especially cultivars of the wild cherry, Prunus avium....

 and plum

Plum

A plum or gage is a stone fruit tree in the genus Prunus, subgenus Prunus. The subgenus is distinguished from other subgenera in the shoots having a terminal bud and solitary side buds , the flowers in groups of one to five together on short stems, and the fruit having a groove running down one...

s.

Pseudomonas amygdali pv. myricae was first isolated on Myrica

Myrica

Myrica is a genus of about 35–50 species of small trees and shrubs in the family Myricaceae, order Fagales. The genus has a wide distribution, including Africa, Asia, Europe, North America and South America, and missing only from Australasia...

trees.

Pseudomonas amygdali pv. phaseolicola is pathogenic to the common bean

Common bean

Phaseolus vulgaris, the common bean, is an herbaceous annual plant domesticated independently in ancient Mesoamerica and the Andes, and now grown worldwide for its edible bean, popular both dry and as a green bean. The leaf is occasionally used as a leaf vegetable, and the straw is used for fodder...

.

Pseudomonas amygdali pv. photiniae causes disease on Photinia

Photinia

Photinia is a genus of about 40-60 species of small trees and large shrubs in the Rosaceae family. As interpreted here, they are restricted to warm temperate Asia, from the Himalaya east to Japan and south to India and Thailand, but some botanists also include the closely related North American...

species.

Pseudomonas amygdali pv. sesami infects sesame

Sesame

Sesame is a flowering plant in the genus Sesamum. Numerous wild relatives occur in Africa and a smaller number in India. It is widely naturalized in tropical regions around the world and is cultivated for its edible seeds, which grow in pods....

 plants.

Pseudomonas amygdali pv. tabaci causes disease on tobacco

Tobacco

Tobacco is an agricultural product processed from the leaves of plants in the genus Nicotiana. It can be consumed, used as a pesticide and, in the form of nicotine tartrate, used in some medicines...

 plants.

Pseudomonas amygdali pv. ulmi was first isolated on elm

Elm

Elms are deciduous and semi-deciduous trees comprising the genus Ulmus in the plant family Ulmaceae. The dozens of species are found in temperate and tropical-montane regions of North America and Eurasia, ranging southward into Indonesia. Elms are components of many kinds of natural forests...

trees.