title: A novel genotyping scheme for Vibrio parahaemolyticus with combined use of large variably-presented gene clusters (LVPCs) and variable-number tandem repeats (VNTRs).
abstract: A total of 18 variably-presented gene clusters (LVPCs) and nine previously characterized variable-number tandem repeats (VNTRs), and all known virulence markers were screened for their frequency and/or copy number in 251 global strains of Vibrio parahaemolyticus using PCR and gel or capillary electrophoresis. A two-step genotyping approach combining the use of LVPCs and VNTRs was established accordingly. The frequency profiles of LVPCs and virulence markers were primarily used to group the strains into six distinct complexes with different potential pathogenicity natures. The strains from each of these complexes were further analyzed with VNTRs to give a much more detailed discrimination of the strains. A genetic fingerprint-like database of a large collection of strains established with this two-stage approach would be very useful for identification, genotyping, origin tracing, and risk estimation of V. parahaemolyticus.
authors: State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, China.
authors: Xiao
authors: X
authors: Xiao
authors: Yanfeng
authors: Y
authors: Yan
authors: Yiquan
authors: Y
authors: Zhang
authors: Li
authors: L
authors: Wang
authors: Xia
authors: X
authors: Liu
authors: Lin
authors: L
authors: Yang
authors: Yafang
authors: Y
authors: Tan
authors: Zhaobiao
authors: Z
authors: Guo
authors: Ruifu
authors: R
authors: Yang
authors: Dongsheng
authors: D
authors: Zhou
mesh_terms: D015373:Bacterial Typing Techniques / Q000379:methods*; D019075:Electrophoresis, Capillary / Q000379:methods; D016680:Genome, Bacterial; D018598:Minisatellite Repeats; D005810:Multigene Family; D016133:Polymerase Chain Reaction; D014736:Vibrio parahaemolyticus / Q000145:classification / Q000235:genetics* / Q000472:pathogenicity; D037521:Virulence Factors / Q000235:genetics
chemical_list: D037521:Virulence Factors