Direct culture–independent sequence typing of Taylorella equigenitalis obtained from genital swabs and frozen semen samples from South African horses

Author:

May Catherine E.12ORCID,Guthrie Alan J.12,Schulman Martin L.12

Affiliation:

1. Section of Reproduction, Department of Production Animal Studies (May, Schulman), Faculty of Veterinary Science, University of Pretoria, Onderstepoort, Pretoria, Gauteng, Republic of South Africa

2. Equine Research Centre (Guthrie), Faculty of Veterinary Science, University of Pretoria, Onderstepoort, Pretoria, Gauteng, Republic of South Africa

Abstract

We report herein the use of crude extracts obtained from samples of Taylorella equigenitalis–infected horses for the purpose of multi-locus sequence typing (MLST). Samples ( n = 36) were collected from horses in South Africa from 1996 to 2017: 34 from genital swabs (stored at −20°C for 2–3 y) and 2 from cryopreserved raw semen aliquots (stored at −70°C for 18 y) prior to assay. The MLST assay showed a single sequence type (ST), designated ST4, that supported a point introduction and thus a common source for the South African outbreak of contagious equine metritis.

Publisher

SAGE Publications

Subject

General Veterinary

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