Direct culture-independent sequence typing of Taylorella equigenitalis obtained from genital swabs and frozen semen samples from South African horses.
JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION(2019)
摘要
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 degrees C for 2-3 y) and 2 from cryopreserved raw semen aliquots (stored at -70 degrees 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.
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关键词
contagious equine metritis,direct culture-independent strain typing,Taylorella equigenitalis
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