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. 2004 Sep 1;238(1):115-23.
doi: 10.1016/j.femsle.2004.07.025.

Diversity within Borrelia burgdorferi sensu lato genospecies in Switzerland by recA gene sequence

Simona Casati  1 , Marco V Bernasconi, Lise Gern, Jean-Claude Piffaretti
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Diversity within Borrelia burgdorferi sensu lato genospecies in Switzerland by recA gene sequence

Simona Casati et al. FEMS Microbiol Lett. .

Abstract

A total of 874 Ixodes ricinus ticks were collected in Switzerland to investigate the genetic diversity of the Borrelia population. We integrated to the RT-PCR method the DNA sequence analysis of a 162-bp fragment of the recA gene. Five genospecies were detected: Borrelia afzelii, Borrelia burgdorferi s.s., Borrelia garinii, Borrelia valaisiana, and Borrelia lusitaniae. A heterogeneous distribution was observed within the B. burgdorferi s.l. genospecies. The most prevalent and diverse genospecies found in Switzerland was Borrelia afzelii, which might suggest a rapid evolution of this genospecies.

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