1,4 - ß cellobiosidase (CbsA) in Xanthomonas bacteria involved in switch to non vascular infection phenotype shows large scale deletions and structural changes

Vascular plant pathogens spread through the veins of host causing systemic infections whereas non vascular are confined to infection sites and cause localized symptom development. CbsA -1,4 beta cellobiosidase is a cell wall-degrading enzyme responsible for mutant version it found in infection. Here, we investigate sequence variation structural changes accompanying gene present some pathovars exhibiting vascuar by Xanthomonas bacteria also chalk out evolutionary history phenotype. Among X.oryaze pv oryaze X. oryzae oryzicola , X.oryzicola showed number large scale deletions amino acid substitutions. Protein structure 12 helices missing 2 helices. citri vignicola did not show same however had accumulated variation. The phenotype may have evolved ancestor citri, X.oryzae pathovars, but reverted back oryzae. We elaborate that just one might major role phenotypic swift from nonvascular This implications disease because infecting efficient invading whole body while localized.