New records and genetic diversity of Mycoplasma ovis in free-ranging deer in Brazil
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Data
2019-01-01
Autores
André, Marcos Rogério [UNESP]
Duarte, José Maurício Barbanti [UNESP]
Goncąlves, Luiz Ricardo [UNESP]
Sacchi, Ana Beatriz Vieira [UNESP]
Jusi, Márcia Mariza Gomes [UNESP]
MacHado, Rosangela Zacarias [UNESP]
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Resumo
Cervids represent a mammal group which plays an important role in the maintenance of ecological balance. Recent studies have highlighted the role of these species as reservoirs for several arthropods-borne pathogens. Globally, hemotropic mycoplasmas (haemoplasmas) are emerging or remerging bacteria that attach to red blood cells of several mammals species causing hemolytic anaemia. Therefore, the aim of this study was to investigate the occurrence and assess the phylogenetic positioning of Mycoplasma ovis in free-ranging deer from Brazil. Using a polymerase chain reaction targeting the 16S rRNA region, 18 (40%) out of 45 sampled deer were positive to M. ovis. Among the nine sequences analysed, four distinct genotypes were identified. The sequences detected in the present study were closely related to sequences previously identified in deer from Brazil and the USA. On the other hand, the Neighbour-Net network analysis showed that the human-associated M. ovis genotypes were related to genotypes detected in sheep and goats. The present study shows, for the first time, the occurrence of M. ovis in Mazama gouazoubira and Mazama bororo deer species, expanding the knowledge on the hosts harbouring this haemoplasma species. Once several deer species have your population in decline, additional studies are needed to evaluate the pathogenicity of M. ovis among deer populations around the world and assess its potential as reservoir hosts to human infections.
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16S rRNA genotypes, haemoplasmas, Mazama bororo, Mazama gouazoubira
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Epidemiology and Infection.