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Glutathione Metabolism in X. campestris ATCC 33913

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Xanthomonas is a Gram-negative rod-shaped bacterium known for being a common plant pathogen. Xanthomonas campestris causes black rot, which affects crucifers such as Brassica and Arabidopsis. Symptoms include marginal leaf chlorosis and darkening of vascular tissue, accompanied by extensive wilting and necrosis. This bacterium is grown commercially to produce the exopolysaccharide xanthan gum, which is used to control viscosity and as a stabilizing agent in many industries. Xanthomonas affects many types of hosts, including citrus, beans, grapes, cotton, and rice. Typical symptoms of the disease include lesions on the leaves, fruit, and stems as well as twig dieback (Ref.1).

Glutathione metabolism in Xanthomonas occurs within cells in two closely linked, enzymatically controlled reactions that utilize ATP and draw on nonessential amino [...]


1.Comparison of the genomes of two Xanthomonas pathogens with differing host specificities.
da Silva AC, et all.
Nature. 2002 May 23; 417(6887):459-63.
2.Mechanisms of glutamate cysteine ligase (GCL) induction by 4-hydroxynonenal.
Iles KE, Liu RM.
Free Radic Biol Med. 2005 Mar 1; 38(5):547-56
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