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2005•Journal of BacteriologyOpen access

Acquisition of Insertion Sequences and the GBSi1 Intron by Streptococcus agalactiae Isolates Correlates with the Evolution of the Species

Geneviève Héry-Arnaud, Guillaume Bruant, Philippe Lanotte, Stella Brun, Agnès Rosenau, Nathalie van der Mee-Marquet, Roland Quentin, Laurent Méreghetti

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Abstract

The prevalence of insertion sequences IS1548, IS861, IS1381, and ISSa4 and of the group II intron GBSi1 within Streptococcus agalactiae human isolates strongly correlates with the genetic lineages obtained by multilocus sequence typing. Our results yielded an evolutionary scheme for the acquisition of these genetic elements linked to the ecosystems from which the isolates were obtained.

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What this paper is about

The prevalence of insertion sequences IS1548, IS861, IS1381, and ISSa4 and of the group II intron GBSi1 within Streptococcus agalactiae human isolates strongly correlates with the genetic lineages obtained by multilocus sequence typing. Our results yielded an evolutionary scheme for the acquisition of these genetic elements linked to the ecosystems from which the isolates were obtained.

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Available abstract

The prevalence of insertion sequences IS1548, IS861, IS1381, and ISSa4 and of the group II intron GBSi1 within Streptococcus agalactiae human isolates strongly correlates with the genetic lineages obtained by multilocus sequence typing. Our results yielded an evolutionary scheme for the acquisition of these genetic elements linked to the ecosystems from which the isolates were obtained.

Key concepts: Biology, Streptococcus agalactiae, Intron, Genetics, Streptococcus, Gene, Evolutionary biology, Microbiology

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Acquisition of Insertion Sequences and the GBSi1 Intron by Streptococcus agalactiae Isolates Correlates with the Evolution of the Species — Research Paper | ScholarLens