ArticleCurrent microbiology2015
Clonal Dissemination of a Single Vibrio cholerae O1 Biotype El Tor Strain in Sistan-Baluchestan Province of Iran During 2013.
Article in Current microbiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 17 citations in OpenAlex.
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- Spotlight on the epidemiology and antimicrobial susceptibility profiles ofFuture microbiology · 2024Review
- Analysis of Vibrio cholerae genomes identifies new type VI secretion system gene clusters.Genome biology · 2019Article
- Whole-Genome Sequences of 26 Vibrio cholerae Isolates.Genome announcements · 2016Article
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3 authors at 2 institutions in 1 country.
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Abstract
Although much is known about the mechanisms affecting cholera spread, cholera outbreaks occur annually in Iran. The aim of this study was to characterize and assess the clonal correlation of strains obtained from an outbreak in 2013 in Iran. Thirty-three strains of Vibrio cholerae were isolated from stool sample of patients majority of them belonged to Afghan nationality. PCR and sequencing analysis was performed to characterize virulence and resistance associates genes and cassettes. Clonality of isolates was assessed by Pulsed-field gel electrophoresis (PFGE) method. The ctx, zot, and tcp genes were present in 100 % of isolates. The wbeT gene was absent in all V. cholerae outbreak isolates, integrity of which is essential for Ogawa phenotype. This correlates with Inaba phenotype of all isolates under study. Sequencing of the ctxB (+) strains revealed that all isolates (El Tor strains) possessed the ctxB sequence of classical biotype allele known as El Tor variant strains. No class 1 or 2 integrons were detected among the isolates which indicate that in spite of high rate of resistance, integrons do not play an important role in V. cholerae resistance. All isolates were chloramphenicol sensitive all of which showed resistance to tetracycline and harbored the tetB resistance gene. PFGE analysis showed identical pulsotypes indicative of clonal dissemination of a single V. cholerae strain among the patients under study. Clonal cholera outbreak in boarder cities is alarming due to fear of import and spread of V. cholerae strains from out of the country which may lead to more spreading epidemics.
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