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Synanthropic Mammals as Potential Hosts of Tick-Borne Pathogens in Panama.

Authors :: Bermúdez SE
Gottdenker N
Krishnvajhala A
Fox A
Wilder HK
González K
Smith D
López M
Perea M
Rigg C
Montilla S
Calzada JE
Saldaña A
Caballero CM
Lopez JE
Source :: PloS one [PLoS One] 2017 Jan 06; Vol. 12 (1), pp. e0169047. Date of Electronic Publication: 2017 Jan 06 (Print Publication: 2017).
Publication Year :: 2017
Abstract: Synanthropic wild mammals can be important hosts for many vector-borne zoonotic pathogens. The aim of this study was determine the exposure of synanthropic mammals to two types of tick-borne pathogens in Panama, spotted fever group Rickettsia (SFGR) and Borrelia relapsing fever (RF) spirochetes. One hundred and thirty-one wild mammals were evaluated, including two gray foxes, two crab-eating foxes (from zoos), four coyotes, 62 opossum and 63 spiny rats captured close to rural towns. To evaluate exposure to SFGR, serum samples from the animals were tested by indirect immunofluorescence assay (IFA) using Rickettsia rickettsii and Candidatus Rickettsia amblyommii antigen. Immunoblotting was performed using Borrelia turicatae protein lysates and rGlpQ, to assess infection caused by RF spirochetes. One coyote (25%) and 27 (43%) opossums showed seroreactivity to SFGR. Of these opossums, 11 were seroreactive to C. R. amblyommii. Serological reactivity was not detected to B. turicatae in mammal samples. These findings may reflect a potential role of both mammals in the ecology of tick-borne pathogens in Panama.<br />Competing Interests: The authors have declared that no competing interests exist.