Detection of Virulence-associated Genes in Staphylococcus Aureus Isolated from Bovine Clinical Mastitis Milk Samples in Guangxi

Overview

Journal Trop Anim Health Prod

Publisher Springer

Specialties Tropical Medicine
Veterinary Medicine

Date 2012 Apr 25

PMID 22528531

Citations 6

Authors

Feng Li Yang

Xiao Shan Li

Xian Wei Liang

Xiu Fang Zhang

Guang Sheng Qin

Bing Zhuang Yang

Affiliations

Soon will be listed here.

Abstract

Staphylococcus aureus is recognized worldwide as a pathogen causing many serious diseases in humans and animals and is one of the most common etiological agents of clinical and subclinical bovine mastitis. The purpose of this study was to determine the presence of genes encoding clfA, fnbA, fnbB, cap5, cap8, hla, hlb, nuc, sea, and tst of S. aureus strains (n = 39) isolated from bovine clinical mastitis in Guangxi by polymerase chain reaction amplification. The results of the present study indicated that all isolates were found to contain one or more virulence-associated genes. The most frequently encountered genes were fnbA (97 %) and nuc (90 %), followed by hla (85 %) and hlb (82 %), respectively. None of the investigated S. aureus strains harbored fnbB and sea genes. The data in the present study showed a relatively wide distribution of the genes fnbA and nuc among the investigated isolates, indicating that they play an important role on bovine mastitis pathogenesis. The study provides a valuable insight into the virulence-associated genes of this important pathogen.

Citing Articles

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