ArticleCurrent microbiology2011
Phenotypic and genotypic characterization Vibrio cholerae O139 of clinical and aquatic isolates in China.
Article in Current microbiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it, 5 citations in OpenAlex.
- Global status of antimicrobial resistance among environmental isolates of Vibrio cholerae O1/O139: a systematic review and meta-analysis.Antimicrobial resistance and infection control · 2022Pooled it
- Resistance ofFrontiers in pharmacology · 2023Review
- A molecular surveillance reveals the prevalence of Vibrio cholerae O139 isolates in China from 1993 to 2012.Journal of clinical microbiology · 2014Article
Corrections and comments
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Authors and funding
9 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To enhance the understanding of epidemiological impact of environmental Vibrio cholerae O139 strains, we characterized 10 clinical and 20 environmental isolates collected from human clinical samples and Pear River estuary during 2006 to 2008. Isolates were tested by PCR for eight virulence genes: cholera toxin (ctxA), zonula occludens toxin (zot), accessory cholera enterotoxin (ace), hemolysin (hlyA), NAG-specific heat-stable toxin (st), toxin-coregulated pilus (tcpA), outer membrane protein (ompU), and regulatory protein genes (tcpI). Genetic relatedness was assessed by pulsed-field gel electrophoresis (PFGE), and antibiotic susceptibility was determined using disk diffusion. Seven of eight virulence markers were detected in six clinical isolates and one environmental isolate. One clinical and one environmental isolate were positive for six virulence markers. 60% clinical isolates showed multi-drug resistance to tetracycline (TET), Nalidixic acid (NAL), chloramphenicol (CHL), and ampicillin (AMP), 70% were resistant to Trimethoprim + Sulfamethoxazole (SXT), while only 35% environmental strains were resistant to SXT. PFGE analysis revealed that the isolates in this study were formed three clusters. Cluster III was more related to strains from diarrheal patients than the strains in other clusters. Different from the clinical strains, most environmental strains lacked CTX and TCP gene clusters. Most environmental strains possess a single resistance profile, while most clinical isolates show multidrug resistant. PFGE analysis indicated the cluster III has more possibility to become a potential pathogenic clonal cluster.
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