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Establishment and evaluation of identification method for Yersinia pestis and Yersinia pseudotuberculosis / 中华流行病学杂志
Chinese Journal of Epidemiology ; (12): 496-500, 2015.
Article in Chinese | WPRIM | ID: wpr-240065
ABSTRACT
<p><b>OBJECTIVE</b>To establish a gene identification method of Yersinia pestis and Yersinia pseudotuberculosis for plague surveillance.</p><p><b>METHODS</b>According to the specific genomic sequences of Y. pestis and Y. pseudotuberculosis, i.e. "pestis Island (PeI)" and "pseudotuberculosis Island (PsI)" and the published genomic sequences of 12 strains of Y. pestis and 4 strains of Y. pseudotuberculosis, the specific identification primers of these sequences were designed.</p><p><b>RESULTS</b>A total of 52 strains of Y. pestis and 57 strains of Y. pseudotuberculosis and other intestinal bacteria strains were tested with PCR. Of the 5 pairs of Y. pestis identification primers, PeI2 and PeI11 were specific for Y. pestis. Besides Y. pestis, the primers PeI1, PeI3 and PeI12 could detect part of 57 Y. pseudotuberculosis strains. Of the 5 pairs of Y. pseudotuberculosis identification primers, PsI1 could detect all the 52 strains of Y. pestis and 57 strains of Y. pseudotuberculosis. PsI7, PsI16, PsI18 and PsI19 were specific for Y. pseudotuberculosis.</p><p><b>CONCLUSION</b>The primers PsI1, PeI 2 and PeI11, PsI7, PsI16, PsI18 and PsI19 can be used in the rapid identification of Y. pestis and Y. pseudotuberculosis, which can be also used to explore the circulation of atypical Y. pestis in quiescent plague foci.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Plague / Yersinia pestis / Yersinia pseudotuberculosis / Base Sequence / China / Polymerase Chain Reaction / Population Surveillance / Epidemiology / DNA Primers / Genomics Type of study: Diagnostic study / Screening study Limits: Humans Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Plague / Yersinia pestis / Yersinia pseudotuberculosis / Base Sequence / China / Polymerase Chain Reaction / Population Surveillance / Epidemiology / DNA Primers / Genomics Type of study: Diagnostic study / Screening study Limits: Humans Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2015 Type: Article