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Table 7 The characteristics of the variable genomic regions in strain 8004

From: Comparative and functional genomics reveals genetic diversity and determinants of host specificity among reference strains and a large collection of Chinese isolates of the phytopathogen Xanthomonas campestris pv. campestris

XVR Sequence characteristics Functional description Occurrence of XVRs*
XVR01 Gene phage related Regulatory protein cII, putative secreted proteins II
XVR02 IS elements Deoxycytidylate deaminase and Rhs protein, genes related T4 phage I
XVR03 Gene phage related Methyltransferase III
XVR04 Integron Integron, xanthomonadin biosynthesis III
XVR05 Gene phage related Type I site-specific deoxyribonuclease II
XVR06 IS elements ThiJ/PfpI family protein, oxidoreductase II
XVR07 IS elements VirB6 protein II
XVR08   Transcriptional regulator BlaI family III
XVR09 Integrase + tRNA-Gly IS elements Regulatory protein BphR II
XVR10   Fimbrial assembly protein III
XVR11   Type IV pilin III
XVR12 IS elements VirB cluster for T4SS III
XVR13 Integrase + tRNA-Gly IS elements Avirulence proteins, pathogenicity related proteins II
XVR13.1 IS elements Gene phage related Adaptation, virulence related protein II
XVR14 Gene phage related Prophage II
XVR15 IS elements Histidine kinase/response regulator hybrid protein, single-domain response regulator II
XVR16   Nucleotide sugar transaminase III
XVR17 IS elements Arsenite efflux, iron uptake I
XVR18 Integrase + tRNA-Arg IS elements Plasmid mobilization protein, hemolysin activation protein I
XVR19 Integrase + tRNA-Ser IS elements Avirulence protein, phage related protein II
XVR20 IS elements Integrase Phage related protein, helicase I
XVR21   Metabolic enzymes II
XVR22   Type I site-specific restriction-modification system, virulence protein III
XVR23 IS elements Sugar translocase, O-antigen IV
XVR24 Flanked by IS elements   II
XVR25 IS elements Avirulence protein, regulators II
XVR26 IS elements Gene phage related Rich in mobile elements II
XVR27 IS elements XmnI methyltransferase I
  1. *There are four possible occurrences of the XVRs predicted in the Xcc genomes: I, recent horizontally acquired sequences; II, horizontally acquired sequences; III, inherited from a common ancestor of xanthomonads and lost from certain Xcc strains at a later stage; IV, inherited from a common ancestor of xanthomonads and degenerated in certain Xcc strains at a later stage.