Comparative genomics of Vibrio Cholerae from Haiti, Asia, and Africa

Reimer, Aleisha R., van Domselaar, Gary, Stroika, Steven, Walker, Matthew, Kent, Heather, Tarr, Cheryl, Talkington, Deborah, Rowe, Lori, Olsen-Rasmussen, Melissa, Frace, Michael, Sammons, Scott, Dahourou, Georges Anicet, Boncy, Jacques, Smith, Anthony M., Mabon, Philip, Petkau, Aaron, Graham, Morag, Gilmour, Matthew W. and Gerner-Smidt, Peter (2011) Comparative genomics of Vibrio Cholerae from Haiti, Asia, and Africa. Emerging Infectious Diseases, 17 (11). pp. 2113-2121. ISSN 1080-6040

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Cholera was absent from the island of Hispaniola at least a century before an outbreak that began in Haiti in the fall of 2010. Pulsed-field gel electrophoresis (PFGE) analysis of clinical isolates from the Haiti outbreak and recent global travelers returning to the United States showed indistinguishable PFGE fingerprints. To better explore the genetic ancestry of the Haiti outbreak strain, we acquired 23 whole-genome Vibrio cholerae sequences: 9 isolates obtained in Haiti or the Dominican Republic, 12 PFGE pattern-matched isolates linked to Asia or Africa, and 2 non matched outliers from the Western Hemisphere. Phylogenies for whole-genome sequences and core genome single-nucleotide polymorphisms showed that the Haiti outbreak strain is genetically related to strains originating in India and Cameroon. However, because no identical genetic match was found among sequenced contemporary isolates, a definitive genetic origin for the outbreak in Haiti remains speculative.

Item Type: Article
Uncontrolled Keywords: epidemiology,microbiology (medical),infectious diseases,sdg 3 - good health and well-being ,/dk/atira/pure/subjectarea/asjc/2700/2713
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
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Depositing User: LivePure Connector
Date Deposited: 14 Sep 2022 09:31
Last Modified: 21 Oct 2022 01:42
DOI: 10.3201/eid1711.110794

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