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Multiplex PCR for identification of two capsular types in epidemic KPC-producing Klebsiella pneumoniae sequence type 258 strains.


ABSTRACT: We developed a multiplex PCR assay capable of identifying two capsular polysaccharide synthesis sequence types (sequence type 258 [ST258] cps-1 and cps-2) in epidemic Klebsiella pneumoniae ST258 strains. The assay performed with excellent sensitivity (100%) and specificity (100%) for identifying cps types in 60 ST258 K. pneumoniae sequenced isolates. The screening of 419 ST258 clonal isolates revealed a significant association between cps type and K. pneumoniae carbapenemase (KPC) variant: cps-1 is largely associated with KPC-2, while cps-2 is primarily associated with KPC-3.

SUBMITTER: Chen L 

PROVIDER: S-EPMC4068549 | biostudies-literature | 2014 Jul

REPOSITORIES: biostudies-literature

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Multiplex PCR for identification of two capsular types in epidemic KPC-producing Klebsiella pneumoniae sequence type 258 strains.

Chen Liang L   Chavda Kalyan D KD   Findlay Jacqueline J   Peirano Gisele G   Hopkins Katie K   Pitout Johann D D JD   Bonomo Robert A RA   Woodford Neil N   DeLeo Frank R FR   Kreiswirth Barry N BN  

Antimicrobial agents and chemotherapy 20140414 7


We developed a multiplex PCR assay capable of identifying two capsular polysaccharide synthesis sequence types (sequence type 258 [ST258] cps-1 and cps-2) in epidemic Klebsiella pneumoniae ST258 strains. The assay performed with excellent sensitivity (100%) and specificity (100%) for identifying cps types in 60 ST258 K. pneumoniae sequenced isolates. The screening of 419 ST258 clonal isolates revealed a significant association between cps type and K. pneumoniae carbapenemase (KPC) variant: cps-1  ...[more]

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