Dynamics of CRISPR Loci in Microevolutionary Process of Yersinia pestis Strains

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ID: 273647
2014
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Abstract
The potential use of CRISPR loci genotyping to elucidate population dynamics and microevolution of 146 Yersinia pestis strains from different biovars and locations was investigated in this work. The majority of strains from the Orientalis biovar presented specific spacer arrays, allowing for the establishment of a CRISPR signature for their respective isolates. Twenty-one new spacers were found in the Y. pestis strains from plague foci in Brazil. Ninety-three (64%) strains were grouped in the G1 genotype, whereas the others were distributed in 35 genotypes. This study allowed observing a microevolutionary process in a group of Y. pestis isolated from Brazil. We also identified specific genotypes of Y. pestis that were important for the establishment of the bacteria in plague foci in Brazil. The data have provided supporting evidence for the diversity and dynamics of CRISPR loci present in the genome of Y. pestis strains from plague foci in Brazil.
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barros2014plosdynamics Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Maria Paloma S. Barros;Camila T. França;Rosanny Holanda F. B. Lins;Milena Danda V. Santos;Ednaldo J. Silva;Maria Betânia M. Oliveira;Vladimir M. Silveira-Filho;Antônio M. Rezende;Valdir Q. Balbino;Tereza Cristina Leal-Balbino;
Journal PloS one
Year 2014
DOI
10.1371/journal.pone.0108353
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