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Black rot, caused by the bacterium Xanthomonas campestris pv. campestris (Xcc), is considered the most important and most destructive disease of crucifers, infecting all cultivated varieties of brassicas worldwide. [1] [2] This disease was first described by botanist and entomologist Harrison Garman in Lexington, Kentucky, US in 1889. [3]
Both X. campestris pv. campestris (known for causing black rot of crucifers) and X. campestris pv. incanae (known for causing bacterial blight of garden stocks) are vascular pathogens, and they have been found to invade the plant host through wounds or hydathodes. Xanthomonas campestris pv.
Xanthomonas campestris pv.vesicatoria is a bacterium that causes bacterial leaf spot (BLS) on peppers and tomatoes. It is a gram-negative and rod-shaped. [1] It causes symptoms throughout the above-ground portion of the plant including leaf spots, fruit spots and stem cankers.
Causes of this disease include Xanthomonas euvesicatoria and Xanthomonas perforans = [Xanthomonas axonopodis (syn. campestris) pv. vesicatoria], Xanthomonas vesicatoria, and Xanthomonas gardneri. In some areas where infection begins soon after transplanting, the total crop can be lost as a result of this disease. [16] Xanthomonas campestris pv.
Xanthomonas campestris pv. raphani is a gram-negative, obligate aerobic bacterium that like many other Xanthomonas spp. bacteria has been found associated with plants. This organism is closely related with Xanthomonas campestris pv. campestris, but causes a non-vascular leaf spot disease that is clearly distinct from black rot of brassicas.
sRNA-Xcc1 (small RNA identified from Xanthomonas campestris pv.campestris) is a family of trans-acting non-coding RNA (also known as small RNA). [1] [2] Homologs of sRNA-Xcc1 are found in a few bacterial strains belonging to alpha-proteobacteria, beta-proteobacteria, gamma-proteobacteria, and delta-proteobacteria.
Xanthomonas campestris pv. juglandis overwinters in the walnut buds, catkins, leaves, and infected fruit still hanging on the tree, and twig lesions. [2] During this time, these buds may remain asymptomatic even just a few days before budburst. In the spring, when the buds begin to open, the bacteria invade and begin infecting the internal bud ...
DOE Joint Genome Institute CP000108: ... PV Gammaproteobacteria 159,662 182 2006 ... Xanthomonas campestris: 8004 Gammaproteobacteria 5,148,708