Emergence of penicillin-macrolide-resistant Streptococcus pyogenes among pet animals: An ongoing public health threat |
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| Institution: | 1. Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt;2. Department of Zoonoses, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt;1. Multiuser Molecular Biology Laboratory, Department of Animal Parasitology, Institute of Veterinary Medicine, Federal Rural University of Rio de Janeiro, Seropédica, Brazil;2. Laboratory of Cellular Microbiology, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro, Brazil;3. Veterinary Hospital, Federal Rural Universityof Semi-Árido, Rio Grande do Norte, Brazil;4. Department of Health and Humans Services, Health Resources and Services Administration, Healthcare Systems Bureau, National Hansen''s Disease Program, Baton Rouge, United States;5. Infectious Disease Research Institute, Seattle, United States;6. Evandro Chagas Institute, Health Surveillance Secretariat, Brazilian Ministry of Health, Ananindeua, Pará, Brazil;7. Laboratory of Molecular Biology Applied to Mycobacteria, Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro, Brazil;1. Laboratory of Infectious Diseases, Graduate School of Infection Control Sciences & Kitasato Institute for Life Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo, 108-8641, Japan;2. Division of Clinical Laboratory, Sanritsu Zelkova Veterinary Laboratory, 3-5-5 Ogibashi, Koto-ku, Tokyo, 135-0011, Japan;1. Department of Microbiology, College of Science, Agriculture and Modern Technology, Shiraz branch, Islamic Azad University, Shiraz, Iran;2. Department of Pathobiology, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran;3. Department of Microbiology, Faculty of Basic Sciences, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran |
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| Abstract: | Macrolide-resistant Streptococcus pyogenes is an emerging problem with a great public health concern throughout the world. The current study was carried out in order to investigate the possible role of pet animals in the epidemiology of such pathogen. For this purpose, nasal or oral swabs were collected from 115 pets (40 dogs and 75 cats) with respiratory illness. The collected swabs were cultured for isolation and identification of S. pyogenes. Macrolide-resistant S. pyogenes strains were initially identified after antibiotic susceptibility testing of the all obtained S. pyogenes isolates, then the phenotypic and molecular identification were done using the double-disk test and the detection of macrolide resistance genes, respectively. Of the 115 examined pet animals, S. pyogenes was recovered from 11 (9.6 %), from which, the isolation rates among dogs and cats were 15 % and 6.7 %, respectively. Macrolide-resistant S. pyogenes was isolated from dogs and cats in the following rates 10 % and 5.3 %, respectively. All macrolide-resistant S. pyogenes strains were assigned to cMLS resistance phenotype while all of them carried ermB gene only, except one strain from a cat possessed both ermB and ermTR genes. The phylogenetic analysis of 4 ermB gene sequences showed high genetic relatedness with those carried by bacteria isolated from human cases to underline the public health impact of such strains. Seriously, all macrolide-resistant S. pyogenes strains were resistant to penicillin. The emergence of penicillin-macrolide resistant S. pyogenes among pet animals underscores not only an emerging veterinary pathogen, but also an ongoing public health threat. |
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| Keywords: | Penicillin Macrolide Pet animals |
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