Xanthomonas vasicola
Species of bacterium / From Wikipedia, the free encyclopedia
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Xanthomonas vasicola pv. vasculorum (Xvv) is a gram-negative rod-shaped bacterium which has a single polar flagellum. It is a plant pathogen, causing both bacterial leaf streak of maize (corn) and sugarcane gumming disease. One outbreak in eucalyptus has been reported.[1] Under experimental conditions it can infect sorghum, oats and some grass species. It is not currently a quarantine pathogen in any country, but it has already spread outside its native range and is highly adaptable to different environments.[2]
Xanthomonas vasicola | |
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Typical symptoms of bacterial leaf streak on maize leaf caused by Xanthomonas vasicola pv. vasculorum | |
Scientific classification | |
Domain: | Bacteria |
Phylum: | Pseudomonadota |
Class: | Gammaproteobacteria |
Order: | Xanthomonadales |
Family: | Xanthomonadaceae |
Genus: | Xanthomonas |
Species: | X. vasicola |
Binomial name | |
Xanthomonas vasicola Cobb 1894 | |
The means of dispersal are not yet confirmed. Similar Xanthomonas pathogens are spread via wind-blown water droplets, irrigation, agricultural machinery and movement of infected plants. There are no known insect vectors.[3]
Like other members of the Xanthomonas genus, it forms yellow colonies when grown on agar and secretes abundant xanthan exopolysaccharides.[3]