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Genotypes of Coxiella burnetii in wildlife: disentangling the molecular epidemiology of a multi-host pathogen

AuthorsGonzález-Barrio, David ; Jado, Isabel; Fernández de Mera, Isabel G.; Fernández-Santos, M. Rocío ; Rodríguez-Vargas, Manuela; García-Amil, Cristina; Beltrán-Beck, Beatriz ; Anda, Pedro; Ruiz Fons, Francisco
Issue Date2016
PublisherSociety for Applied Microbiology
John Wiley & Sons
CitationEnvironmental Microbiology 8(5): 708-714 (2016)
AbstractEvidences point to a relevant role of wildlife in the ecology of Coxiella burnetii worldwide. The lack of information on C. burnetii genotypes in wildlife prevents tracing‐back clinical animal and human Q fever cases with potential wildlife origin. To compare C. burnetii genotypes circulating in wildlife, livestock and humans, 107 samples from red deer, European wild rabbit, racoon, small mammals, goat and sheep were genotyped by polymerase chain reaction and reverse line blot hybridization. Genomic groups I, II, VI and VII were found in wildlife and groups I, II, III and IV in domestic ruminants. Livestock genotypes clustered mainly with genotypes reported previously in livestock. Genotyping confirmed previous findings that suggest that C. burnetii may display host specificity since most genotypes of sympatric deer and rabbits clustered in separate groups. Wildlife genotypes clustered with genotypes from ticks and from acute hepatitis human Q fever cases, suggesting that particular C. burnetii genotypes circulating in a wildlife‐tick cycle may occasionally jump into humans through tick bites or exposure to wildlife. This finding could be behind the reported geographic variation in the clinical presentation of acute Q fever in humans in Spain: atypical pneumonia in the north and hepatitis in the south.
Identifiersdoi: 10.1111/1758-2229.12431
issn: 1462-2912
e-issn: 1462-2920
Appears in Collections:(IREC) Artículos
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