Isolation and molecular identification of Trueperella pyogenes as one of the main causative agents of cutaneous abscesses in cattle

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ASHRAFI TAMAI I.; MOHAMMADZADEH A.; Mahmoodi Koohi p.; ZAHRAEI SALEHI T.

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Journal: Journal of Veterinary Research Year:2018 | Volume:72 | Issue:4 Page(s): 499-506

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Title

Isolation and molecular identification of Trueperella pyogenes as one of the main causative agents of cutaneous abscesses in cattle

Author(s)

ASHRAFI TAMAI I. | MOHAMMADZADEH A. | Mahmoodi Koohi p. | ZAHRAEI SALEHI T. | Issue Writer Certificate

Keywords

Trueperella pyogenesQ1

cutaneous abscessesQ1

suppurative bacteriaQ1

cattleQ1

Abstract

BACKGROUND: Trueperella pyogenes is one of the most important pathogens of cattle cutaneous abscess which causes considerable economic damage in livestock industry. OBJECTIVES: This study was conducted to isolate and identify T. pyogenes as an opportunistic pathogen and determine its antibiotic resistance. METHODS: 134 samples were collected from 15 cattle farms in Tehran province. The pathogenic bacteria were isolated and were initally identified by their colony morphology and biochemical characteristics. In addition, routine biochemical techniques and molecular tests used for detection of T. pyogenes strains. Susceptibility of T. pyogenes strains to antibiotics was evaluated using the disk diffusion method. RESULTS: The bacterial species isolated from 314 cutaneous abscesses studied were 10 genera of pathogen bacteria. T. pyogenes was the pioneer pathogen among other these. According to biochemical and CAMP test, nine biotypes of T. pyogenes were detected. All T. pyogenes isolates (9 biotypes) were positive for the PCR test. The highest percentage of T. pyogenes isolates was susceptible to ampicillin, penicillin G and amoxicillin and high resistance rates were observed for trimethoprim-sulfamethoxazole, erythromycin and tetracycline. CONCLUSIONS: Although T. poygenes is considered as an opportunistic bacterium, it could turn into a primary and secondary pathogen and consequently cause several complications. Identifying causative agents of abscess using molecular methods, performing antibiotic susceptibility assays and choosing appropriate drug are useful the treatment of such pathogens.

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APA: Copy

ASHRAFI TAMAI, I., MOHAMMADZADEH, A., Mahmoodi Koohi, p., & ZAHRAEI SALEHI, T.. (2018). Isolation and molecular identification of Trueperella pyogenes as one of the main causative agents of cutaneous abscesses in cattle. JOURNAL OF VETERINARY RESEARCH, 72(4 ), 499-506. SID. https://sid.ir/paper/34639/en

Vancouver: Copy

ASHRAFI TAMAI I., MOHAMMADZADEH A., Mahmoodi Koohi p., ZAHRAEI SALEHI T.. Isolation and molecular identification of Trueperella pyogenes as one of the main causative agents of cutaneous abscesses in cattle. JOURNAL OF VETERINARY RESEARCH[Internet]. 2018;72(4 ):499-506. Available from: https://sid.ir/paper/34639/en

IEEE: Copy

I. ASHRAFI TAMAI, A. MOHAMMADZADEH, p. Mahmoodi Koohi, and T. ZAHRAEI SALEHI, “Isolation and molecular identification of Trueperella pyogenes as one of the main causative agents of cutaneous abscesses in cattle,” JOURNAL OF VETERINARY RESEARCH, vol. 72, no. 4 , pp. 499–506, 2018, [Online]. Available: https://sid.ir/paper/34639/en

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