Bioinformatics Analyse the hrpgene Clusters of Phytopathogenic Bacteria

doi:10.3969/j.issn.1000-7091.2013.02.005

Abstract

Abstract: hrpgene is one of important pathogenitygenes in phytopathogenic bacteria,usually in cluster. The size,g+ C contents and BlastP of the constitutedgenes of 14 completed sequenced phytopathogenic bacterias in this article compare. It find that these size ofgene clusters among 18-24 kb,made up by 22-28genes. Theg+ C con-tents is lower in the Pseudomonas and Erwiniagenus,but higher in the Xanthomonas and Ralstoniagenus. Moreo-ver,everygenus has its own unique hrpgene cluster,such as in the Pseudomonas are hrpZ1,hrpA1,hrpVgenes. In the Erwiniagenus are hrpT,hrpV,hrpAgenes. In the Ralstoniagenus are hrpZ,hrpX,hrpY,hrpVgenes. In the Xan-thomonas are hrpE,hrpD6,hpaA. Among thesegenes,hrpA1,hrpA,hrpY,hrpE respectively belong to Pseudomonas spp,Erwinia spp,Ralstonia spp and Xanthomonas spp,encode type Ⅲ pilus,thesegenes maybe act as important function in pathogens recognize host progross.

Key words: Phytopathogenic bacteria, hrpgene cluster, Bioinformatics

CLC Number:

TAO Bu, LIU Bin, SI He-long, ZHAO Bin, XING Ji-hong, DONG Jin-gao. Bioinformatics Analyse the hrpgene Clusters of Phytopathogenic Bacteria[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(2): 27-31. doi: 10.3969/j.issn.1000-7091.2013.02.005.

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