Antimicrobial susceptibility and molecular characterization of macrolide resistance of Mycoplasma bovis isolates from multiple provinces in China

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  • KONG Ling-Cong
    College of Animal Science and Technology, Jilin Agricultural University, Xincheng Street No.#2888, Changchun 130118, P.R. China
  • GAO Duo
    College of Animal Science and Technology, Jilin Agricultural University, Xincheng Street No.#2888, Changchun 130118, P.R. China
  • JIA Bo-Yan
    College of Animal Science and Technology, Jilin Agricultural University, Xincheng Street No.#2888, Changchun 130118, P.R. China
  • WANG Zi
    College of Animal Science and Technology, Jilin Agricultural University, Xincheng Street No.#2888, Changchun 130118, P.R. China
  • GAO Yun-Hang
    College of Animal Science and Technology, Jilin Agricultural University, Xincheng Street No.#2888, Changchun 130118, P.R. China
  • PEI Zhi-Hua
    College of Animal Science and Technology, Jilin Agricultural University, Xincheng Street No.#2888, Changchun 130118, P.R. China
  • LIU Shu-Ming
    College of Animal Science and Technology, Jilin Agricultural University, Xincheng Street No.#2888, Changchun 130118, P.R. China
  • XIN Jiu-Qing
    National Contagious Bovine Pleuropneumonia Reference Laboratory, Division of Bacterial Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, CAAS, Harbin 150000, P.R. China
  • MA Hong-Xia
    College of Animal Science and Technology, Jilin Agricultural University, Xincheng Street No.#2888, Changchun 130118, P.R. China

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タイトル別名
  • Antimicrobial susceptibility and molecular characterization of macrolide resistance of <i>Mycoplasma bovis</i> isolates from multiple provinces in China

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Mycoplasma bovis has spread widely throughout the world via animal movement and has become an important pathogen of bovine respiratory disease. However, the minimum inhibitory concentrations of antimicrobials for Mycoplasma bovis have not been studied in China. The objective of this study was to determine the prevalence and antibiotic resistance of Mycoplasma bovis isolated from young cattle with respiratory infection in China. Mycoplasma bovis was detected in 32/45 bovine respiratory infection outbreaks at beef farms in 8 provinces in China. The isolates were susceptible or had medium sensitivity to ciprofloxacin, enrofloxacin and doxycycline, but were frequently resistant to macrolides (13/32, 41%). An A2058G (Escherichia coli Numbering) mutation located in the rrnA operon in domain V of 23S rRNA was observed in strains that were resistant to macrolides. This single mutations at the rrnA operon in domain V of 23S rRNA may play an important role in the resistance of Mycoplasma bovis strains to macrolides.

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