Evaluation of disinfectant efficacy against hepatitis C virus using a RT-PCR-based method |
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Authors: | Charrel R N de Chesse R Decaudin A De Micco P de Lamballerie X |
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Affiliation: | Department of Bacteriology, Northern Ireland Public Health Laboratory, Belfast, BT9 7AD, UK. jemoore@niphl.dnet.co.uk |
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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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