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Molecular characterization of ureaplasmas isolated from reproductive tract of goats and sheep from Brazil

Oliveira, Rosângela C; Yamaguti, Maurício; Marques, Lucas M; Buzinhani, Melissa; Rizzo, Huber; Meira-Junior, Enoch Brandão de Souza; Guimarães, Ana Márcia S; Gregory, Lilian; Timenetsky, Jorge.
Braz. J. Microbiol.; 48(3): 560-565, jul.-set. 2017. ilus, tab
Artigo em Inglês | VETINDEX | ID: vti-728623


Ovine/caprine ureaplasmas have not yet been assigned a species designation, but they have been classified into nine serotypes. Herein ureaplasmas were searched for in 120 samples of vulvo vaginal mucous from sheep and 98 samples from goats at 17 farms. In addition, semen samples were collected from 11 sheep and 23 goats. The recovered ureaplasma were from sheep and goats from animals without any reproductive disorder symptoms, but not all animals presented positive cultures. In sheep, 17 (68%) cultures of vulvovaginal mucous were positive for ureaplasma and 11 (27%) samples of semen presented positive cultures in animals with clinical signs of orchitis, balanoposthitis or low sperm motility. In goats four ureaplasma isolates were obtained from vulvovaginal mucus, but the semen samples were all negative. The isolates were submitted to Pulsed-field gel electrophoresis methodology and their 16S rRNA genes were sequenced. Fifty percent of ureaplasma recovered from sheep allowed for PFGE typing. Eleven isolates showed eight profiles genetically close to the bovine ureaplasmas. The 16S rRNA gene sequencing showed differences or similarities of isolates from sheep and goats, and the reference strains of bovine and human ureaplasma. Four clinical isolates from sheep were grouped separately. The studied ureaplasma isolates showed to be a diverse group of mollicutes.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1