pathogenic microorganisms by distinct antimicrobial agents. Characterizing the genetic
variation among plasmids from different bacterial species or strains is a key step towards
understanding the mechanism of virulence and their evolution. Results We applied a deep
sequencing approach to 206 clinical strains of Klebsiella pneumoniae collected from 2002
to 2008 to understand the genetic variation of multidrug resistance plasmids, and to reveal …