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Title: Staphylococcus aureus and Methicillin-Resistant Coagulase-Negative Staphylococci in Nostrils and Buccal Mucosa of Healthy Camels Used for Recreational Purposes
Authors: Silva, Vanessa
Caniça, Manuela
Manageiro, Vera
Verbisck, Newton
Tejedor Junco, María Teresa 
González Martín, Margarita Rosa 
Corbera Sánchez, Juan Alberto 
Poeta, Patrícia
Igrejas, Gilberto
UNESCO Clasification: 310905 Microbiología
241401 Antibióticos
Keywords: Staphylococcus aureus
Coagulase-negative staphylococci
Methicillin resistant
Antimicrobial resistance
Issue Date: 2022
Journal: Animals 
Abstract: Several different species of animals host staphylococci as normal microbiota. These animals can be a source of staphylococci zoonotic infections. People with routine or occupational exposure to infected/colonized animals are at risk of a potential transmission. Therefore, we aimed to investigate the presence of S. aureus and other staphylococci in camels used for recreational purposes as well as their antimicrobial resistance, virulence factors and genetic lineages. A total of 172 samples were collected from 86 healthy camels (nose and mouth) from different farms located in the Canary Islands, Spain. Antimicrobial susceptibility testing was performed against 14 antimicrobial agents. The presence of virulence genes was studied by PCR. Multilocus sequence typing, spa typing and agr typing were performed in all S. aureus isolates. From the 86 camels tested, 42 staphylococci were isolated, of which there were 11 S. aureus, 13 S. lentus, 12 S. sciuri, 3 S. xylosus, S. epidermidis, S. hominis and S. chromogenes. Staphylococci isolates were resistant to penicillin, ciprofloxacin, clindamycin and fusidic acid. All S. aureus isolates harbored the hla, hlb and hld virulence genes. S. aureus isolates were ascribed to three sequence types (STs) and three spa types. All S. aureus isolates belonged to agr type III. Camels from Gran Canaria used in recreational purposes have a moderate prevalence of S. aureus and other coagulase-negative staphylococci. Nevertheless, S. aureus isolates are susceptible to almost all antibiotics tested
ISSN: 2076-2615
DOI: 10.3390/ani12101255
Source: Animals [EISSN 2076-2615], v. 12 (10), 1255
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