2019
DOI: 10.1590/s1984-296120180065
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Occurrence of Ehrlichia canis and Hepatozoon canis and probable exposure to Rickettsia amblyommatis in dogs and cats in Natal, RN

Abstract: Occurrence of infection or exposure to Ehrlichia canis, Hepatozoon canis and Rickettsia spp. was detected in feral cats living in two fragments from Atlantic rainforest, in Natal, RN, Brazil, and in dogs living around the parks. While serum samples were collected from 155 animals (53 cats living in the parks; 29 dogs living in human homes around the parks; and 73 dogs living at an animal control center - ACC), spleen samples were collected from 20 dogs that were euthanized at ACC. Serum samples were analyzed t… Show more

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Cited by 10 publications
(9 citation statements)
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References 44 publications
(47 reference statements)
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“…As similar examples, in the last decade, novel strains of tick-borne agents of felids have been identified in Brazil [ 60 ] and in Europe [ 61 , 62 ]. Arthropod-borne diseases are highly enzootic and circulate between domestic and wild felids of Brazil and Europe, where they can also be shared with canids living in sympatry [ 60 , 61 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 ]. Therefore, further studies are necessary to investigate any genetic variability in A. abstrusus isolates which infect domestic cats and wildlife living in Amazonia and Brazil and if, as for other metastrongylid nematodes and arthropod-borne pathogens, there is a potential impact on their genetic make-up by bridging infections between different animal species.…”
Section: Discussionmentioning
confidence: 99%
“…As similar examples, in the last decade, novel strains of tick-borne agents of felids have been identified in Brazil [ 60 ] and in Europe [ 61 , 62 ]. Arthropod-borne diseases are highly enzootic and circulate between domestic and wild felids of Brazil and Europe, where they can also be shared with canids living in sympatry [ 60 , 61 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 ]. Therefore, further studies are necessary to investigate any genetic variability in A. abstrusus isolates which infect domestic cats and wildlife living in Amazonia and Brazil and if, as for other metastrongylid nematodes and arthropod-borne pathogens, there is a potential impact on their genetic make-up by bridging infections between different animal species.…”
Section: Discussionmentioning
confidence: 99%
“…Epidemiological studies on the etiologic agents of CME and CCT have already been carried out in several regions of Brazil (LEAL et al, 2015;MAKINO et al, 2016;SOARES et al, 2017;VIEIRA et al, 2018;LOPES et al, 2019). However, there are few studies on the molecular epidemiology of these agents in the northern region of the country.…”
Section: Discussionmentioning
confidence: 99%
“…A positive control, from a dog known to be positive for each pathogen tested, and a negative control consisting of water were included in each technique performed, which are described below. Positive control canine DNA samples consisted of E. canis-infected blood from the study of Moraes-Filho et al (2015), H. canis-infected spleen from the study of Lopes et al (2019) The real-time PCR for E. canis was used to amplify a 378 base pair (bp) fragment of the dsb gene encoding a disulfide-forming protein, using the Dsb321 and Dsb671 primers and a species-specific probe, as previously described by Doyle et al (2005). To detect B. vogeli, a 90 bp fragment of the hsp70 gene was amplified using the B.c hsp70-F and B.c hsp70-R primers and a species-specific probe, in accordance with the conditions described by Peleg et al (2010).…”
Section: Collection and Identification Of Ectoparasitesmentioning
confidence: 99%