Mechanism of ralstonia solanacearum bacteria by bacteria
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Ralstonia solanacearum is an aerobic nonspore-forming, Gram-negative, plant pathogenic bacterium. R. solanacearum is soil-borne and motile with a polar flagellar tuft. It colonises the xylem, causing bacterial wilt in a very wide range of potential host plants. It is known as Granville wilt when it occurs in tobacco.
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Virulence mechanisms
Ralstonia solanacearum possesses genes for all six protein secretion pathways that have been characterized in Gram-negative bacteria. Perhaps the best-studied of these is the Type III secretion system (T3SS or TTSS), which secretes infection-promoting effector proteins (T3Es) into host cells.
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