Journal
MICROORGANISMS
Volume 10, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/microorganisms10122367
Keywords
Borrelia crocidurae; Ornithodoros sonrai; Mus musculus domesticus; Anaplasmataceae; Senegal
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Using PCR, we detected Borrelia and other bacterial infections in ticks and house mice. Additionally, a potentially infectious novel species was found in ticks for the first time. The house mouse and ticks could be potential hosts for pathogenic bacteria in humans.
Ornithodoros sonrai (O. sonrai) ticks are the only known vectors of Borrelia crocidurae, an agent of tick-borne relapsing fever (TBRF) borreliosis. Rodents serve as principal natural reservoirs for Borrelia. Our research objective was to detect TBRF Borrelia and other zoonotic bacterial infections in ticks and in house mice Mus musculus domesticus, an invasive species currently expanding in rural northern Senegal. Real-time and conventional PCR were utilized for detecting Borrelia and other bacterial taxa. The analyses were performed on 253 specimens of O. sonrai and 150 samples of brain and spleen tissue from rodents. Borrelia crocidurae was found in one O. sonrai tick and 18 Mus musculus domesticus samples, with prevalences of 0.39 percent and 12 percent, respectively, as well as Ehrlichia sp. in one Mus musculus domesticus. Further, we were able to detect the presence of a potentially infectious novel species belonging to the Anaplasmataceae family for the first time in O. sonrai ticks. More attention should be paid to the house mouse and O. sonrai ticks, as they can be potential hosts for novel species of pathogenic bacteria in humans.
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