2022
DOI: 10.3390/ani12202885
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Epidemiological Study of the Occurrence of Typhus Group Rickettsia Natural Infection in Domiciliated Dogs from a Rural Community in South-Eastern Mexico

Abstract: The aim is to describe the Typhus group (TG) Rickettsia infection in dogs and to identify factors associated with this infection. We collected blood samples and gathered exposure and clinical data of 142 dogs from a rural community of Yucatan. The Rickettsia group was determined by semi-nested PCR. Generalized linear models with binomial error distribution were used to model the associated factors from the dog sample for risk ratio (RR) estimation. Thirty-four dogs (23.9%) showed molecular evidence of TG Ricke… Show more

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Cited by 8 publications
(6 citation statements)
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“…In the specific case of R. parkeri , the main biological vectors are hard ticks of the genus Amblyomma , which have been associated, especially in their immature stages, with synanthropic rodents in the USA (Cumbie et al, 2020) and southeastern Mexico (Dzul‐Rosado et al, 2021), including M. musculus (Rodríguez‐Vivas et al, 2016). Therefore, in a similar way as with other accidental hosts and carriers of Rickettsia from the study region (Torres‐Castro, Reyes‐Novelo, et al, 2022), the necessary epidemiological elements (biological vectors, reservoirs, and susceptible hosts) exist (Lu et al, 2019) that allow the establishment and circulation of R. parkeri in synanthropic rodent populations such as M. musculus . In this sense, it is accepted that members of the SFG, including R. parkeri , are naturally maintained by vertical and horizontal transmission among the arthropod vectors (ticks) and susceptible vertebrate hosts, respectively (Grasperge, Wolfson, & Macaluso, 2012; Rocha et al, 2022).…”
Section: Discussionmentioning
confidence: 76%
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“…In the specific case of R. parkeri , the main biological vectors are hard ticks of the genus Amblyomma , which have been associated, especially in their immature stages, with synanthropic rodents in the USA (Cumbie et al, 2020) and southeastern Mexico (Dzul‐Rosado et al, 2021), including M. musculus (Rodríguez‐Vivas et al, 2016). Therefore, in a similar way as with other accidental hosts and carriers of Rickettsia from the study region (Torres‐Castro, Reyes‐Novelo, et al, 2022), the necessary epidemiological elements (biological vectors, reservoirs, and susceptible hosts) exist (Lu et al, 2019) that allow the establishment and circulation of R. parkeri in synanthropic rodent populations such as M. musculus . In this sense, it is accepted that members of the SFG, including R. parkeri , are naturally maintained by vertical and horizontal transmission among the arthropod vectors (ticks) and susceptible vertebrate hosts, respectively (Grasperge, Wolfson, & Macaluso, 2012; Rocha et al, 2022).…”
Section: Discussionmentioning
confidence: 76%
“…Domestic dogs participate notably in the urban and rural transmission cycles of some Rickettsia species (Dzul‐Rosado et al, 2021; Fournier et al, 2020; Torres‐Castro et al, 2020; Torres‐Castro, Reyes‐Novelo, et al, 2022), therefore, they are one of the most studied mammal hosts in Mexico (Sánchez‐Montes et al, 2021), especially, in Yucatán (Arroyo‐Ramírez et al, 2022). Their importance is also reflected in the epidemiological fact that some active cases of rickettsiosis in humans have been associated with Rickettsia infection in these companion animals due to the closeness and coexistence with them, favouring the possibility of their ectoparasites passing to humans (Breitschwerdt et al, 1987).…”
Section: Discussionmentioning
confidence: 99%
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“…del gen sca5, describieron la primera infección con R. parkeri en perros de Yucatán. Recientemente,Torres-Castro et al (2022c) reportaron ADN de Rickettsia TG en perros de la localidad de Maxcanú, Yucatán. Finalmente,Arroyo- Ramírez et al (2023) reportaron, por segunda ocasión, la circulación de R. parkeri en perros de Ucú, Yucatán.…”
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