Nucleotide sequence and evolution of the five-plasmid complement of the phytopathogen Pseudomonas syringae pv. maculicola ES4326.

ABSTRACT: Plasmids are transmissible, extrachromosomal genetic elements that are often responsible for environmental or host-specific adaptations. In order to identify the forces driving the evolution of these important molecules, we determined the complete nucleotide sequence of the five-plasmid complement of the radish and Arabidopsis pathogen Pseudomonas syringae pv. maculicola ES4326 and conducted an intraspecific comparative genomic analysis. To date, this is the most complex fully sequenced plasmid complement of any gram-negative bacterium. The plasmid complement comprises two pPT23A-like replicons, pPMA4326A (46,697 bp) and pPMA4326B (40,110 bp); a pPS10-like replicon, pPMA4326C (8,244 bp); and two atypical, replicase-deficient replicons, pPMA4326D (4,833 bp) and pPMA4326E (4,217 bp). A compl

SUBMITTER: Stavrinides J 

PROVIDER: S-EPMC451608 | biostudies-literature | 2004 Aug

REPOSITORIES: biostudies-literature