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Carriage of Staphylococcus aureus by free-living wild animals in Spain

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Porrero, M Concepción and Mentaberre, Gregorio and Sánchez, Sergio and Fernández Llario, Pedro and Casas Díaz, Encarna and Mateos García, Ana and Vidal, Dolors and Lavín, Santiago and Fernández Garayzábal, José-Francisco and Domínguez Rodríguez, Lucas (2014) Carriage of Staphylococcus aureus by free-living wild animals in Spain. Applied and environmental microbiology, 80 (16). pp. 4865-70. ISSN 1098-5336

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Official URL: http://aem.asm.org/content/early/2014/06/03/AEM.00647-14



Abstract

The presence of methicillin-susceptible Staphylococcus aureus (MSSA) was analyzed in different free-living wild animals to assess the genetic diversity and predominant genotypes on each animal species. Samples were taken from the skin and/or nares, and isolates were characterized by spa typing, multilocus sequence typing (MLST) and antimicrobial susceptibility testing. The proportion of MSSA carriers were 5.00, 22.93, 19.78, and 17.67% in Eurasian griffon vulture, Iberian ibex, red deer, and wild boar, respectively (P = 0.057). A higher proportion of isolates (P = 0.000) were recovered from nasal samples (78.51%) than skin samples (21.49%), but the 9.26% of red deer and 18.25% of wild boar would have been undetected if only nasal samples had been tested. Sixty-three different spa types were identified, including 25 new spa types. The most common were t528 (43.59%) in Iberian ibex, t548 and t11212 (15.79% and 14.04%) in red deer, and t3750 (36.11%) in wild boar. By MLST, 27 STs were detected, of which 12 had not been described previously. The most frequent were ST581 for Iberian ibex (48.72%), ST425 for red deer (29.82%), and ST2328 for wild boar (42.36%). Isolates from Eurasian griffon vulture belong to ST133. Host specificity has been observed for the most frequent spa types and STs (P = 0.000). The highest resistance percentage was found against benzylpenicillin (average, 22.2%), although most of the S. aureus isolates were susceptible to all antimicrobial tested. Basically, MSSA isolates were different from those MRSA isolates previously detected in the same animal species.


Item Type:Article
Subjects:Medical sciences > Veterinary
Medical sciences > Veterinary > Microbiology
Medical sciences > Biology > Microbiology
ID Code:39635
Deposited On:10 Jan 2017 11:06
Last Modified:10 Jan 2017 11:06

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