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  • Title: Rapid characterization of the genomovars of the Burkholderia cepacia complex by PCR-single-stranded conformational polymorphism (PCR-SSCP) analysis.
    Author: Moore JE, Millar BC, Jiru X, McCappin J, Crowe M, Elborn JS.
    Journal: J Hosp Infect; 2001 Jun; 48(2):129-34. PubMed ID: 11428880.
    Abstract:
    Four polymerase chain reaction (PCR) primer pairs (A-D), specific for the Burkholderia cepacia complex of organisms were designed to encompass the entire gene (approximately 1300 bp) from sequence alignments of the rec A operon of B. cepacia. Genomic bacterial DNA from type strains and wild-type B. cepacia complex isolates of previously determined genomovar status was amplified employing these four primer pairs, as well as a fifth primer set (E) already published. Primer sets B, C and E were successful in obtaining a PCR amplicon of correct estimated size of 598, 1107 and 1043 bp, respectively. Subsequent single-stranded conformational polymorphism (SSCP) analysis of PCR amplicons demonstrated unique profiles for the five genomovar types for primer pairs B and E, but was unable to differentiate distinguishable profile types for primer pair C. SSCP analysis was demonstrated to be simple, rapid and cost effective and may prove a useful method of genomovar typing of B. cepacia complex organisms from cystic fibrosis patients in busy diagnostic laboratories.
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