October 2, 2023

Lpez J

Lpez J., Pinto V., Rojas J., Weitzel T., Abarca K.2015. assess their potential role as reservoirs of vectors and infection for disease transmission to wildlife. and CDV infections [49]. Piroplasmids are the second many discovered parasites in the bloodstream of mammals after trypanosomes [61] typically, making them essential vector-borne agencies in those types [78]. Furthermore to conservation implications, possessed, free-roaming domestic felines is actually a tank of zoonotic agencies because of their poor health treatment and free-ranging behavior. may be the mostly came across zoonosis [27] currently. Asymptomatic 20(S)-NotoginsenosideR2 infections with spp. is certainly reported in felines often, which are believed to be always a major reservoir for human infection therefore. Felines could be contaminated by associates of Anaplasmataceae also, that are rickettsial organisms that infect animal and human leukocytes [19]. However, regardless of the chance for pathogen spillover from local cats to animals, and their zoonotic implications, data on pathogens infecting rural, possessed, free-roaming local felines is certainly scarce [23 still, 44, 45, 55, 62]. Prior molecular and serological research in Chile possess reported the current presence of different pathogens, although these research had been generally centered on possessed local cats from urban areas [6, 20, 30, 48, 71, 79]. Therefore, our goal was to determine the occurrence of important carnivore pathogens in owned, free-roaming domestic cats from remote isolate rural communities in southern Chile, assessing the exposure and/or infection with bacteria and viruses with different transmission modes. The free roaming behavior of these cats in rural areas increases the possibilities of contact with wildlife. Thus, the results of this study evaluate how owned, free-roaming domestic cats could act as reservoir of pathogens to wildlife. MATERIALS AND METHODS Sampling During 2015 and 2016 a cross-sectional study was conducted. A total of 131 owned, free-roaming cats were sampled in six rural communities adjacent to protected areas located in two different regions of southern Chile: four in the Valdivian coastal area (Los Ros region, 39 S 73 W) and two on Chiloe Island (Los Lagos region, 43 S 73 W) (Fig. 1). These two 20(S)-NotoginsenosideR2 regions were chosen since they contain remote and isolated rural communities, where prophylactic management and health care of domestic cats and dogs (peripheral whole blood samples as described by [22]. The eukaryotic 18S RNA Pre-Developed TaqMan Assay Reagents (Applied Biosystems, Foster City, CA, U.S.A.) were used as internal reference for cat genomic DNA amplification, to ensure the quality of each sample for PCR amplification and that negative results corresponded to true negative samples rather than to a problem with DNA loading, sample degradation or PCR inhibition. Real-time PCR (qPCR) targeting spp., piroplasmids, spp. Rabbit Polyclonal to MRPS12 was performed as previously described [13, 38]. The thermal cycling profile was 50C 2 min and 95C 10 min followed by 40 cycles at 95C 15 sec and 60C 1 min, using a QuantStudioTM 12K Flex Real-Time PCR System (Life Technologies, Carlsbad, CA, U.S.A.). Sterile water was used as a negative PCR control and positive controls were obtained from commercial slides coated with cells infected with the pathogens (MegaScreen? 118 FLUOEHRLICHIA c., MegaScreen? FLUOBABESIA canis, MegaScreen? FLUORICKETTSIA 119 ri., MegaScreen? BARTONELLA h. (Megacor, H?rbranz, Vorarlberg, Austria). Target genes amplified for each pathogen, primers used and sequencing of each positive qPCR product was conducted as previously described [53] (Table 1). Positive samples were sequenced with the BigDye Terminator Cycle Sequencing Ready Reaction Kit (AB, Life Technologies). The sequences obtained were compared with sequences from the GenBank database (www.ncbi.nlm.nih.gov/BLAST). Ultrapure water was employed as negative control in each PCR run and sequenced positive cat samples were used as positive controls. Table 1. Primers used in pathogen detection, target genes amplified and size of the amplified product for each pathogen using real time PCR spp.16S rRNAGCAAGCYTAACACATGCAAGTCGCTACTAGGTAGATTCCTAYGCATTACTCACC0.5102a)Piroplasmid18S rRNAGACGATCAGATACCGTCGTAGTCCCAGAACCCAAAGACTTTGATTTCTCTC0.3114a)spp.ITS1GCTCGATTGRTTTACTTTGCTGTGAGCATGCTATAACCACCAAGCTAGCAATAC0.5/0.3300a)spp.ITS1AGATGATGATCCCAAGCCTTCTGCCTCCGACCTCACGCTTATCA0.3180a) Open in 20(S)-NotoginsenosideR2 a separate window a) Targeted size could vary depending on the species. Statistical analyses The R program [68] was used to perform statistical analyses. Fishers exact test was performed, and statistical significance was set at spp.spp.spp.sp.spp.spp.sp. (n=2), (3) sp. (n=3). No sp. DNA was detected. These pathogens were identified through sequencing as: (1) (1/30, 3.3%, 95% CI=0.3C10.15), 100% identity to GenBank sequences in equids worldwide; (2) sp. (1/30, 3.3%, 95% CI=3.4C10.15), 100% identity to GenBank spp. sequences detected in fleas worldwide, and (2/30, 6.6%, 95% CI=2.8C16.14), 100% identity to GenBank sequences in lions from Namibia, and cats from Malaysia, Guatemala and Brazil. The new sp. and nucleotide sequences were submitted to the GenBank database under accession numbers “type”:”entrez-nucleotide”,”attrs”:”text”:”MK774808″,”term_id”:”1610102890″,”term_text”:”MK774808″MK774808, “type”:”entrez-nucleotide”,”attrs”:”text”:”MK791257″,”term_id”:”1615700818″,”term_text”:”MK791257″MK791257, “type”:”entrez-nucleotide”,”attrs”:”text”:”MK791259″,”term_id”:”1615700820″,”term_text”:”MK791259″MK791259 and “type”:”entrez-nucleotide”,”attrs”:”text”:”MK791258″,”term_id”:”1615700819″,”term_text”:”MK791258″MK791258 respectively. Four of the five vector-borne infected individuals were healthy and carried only one pathogen, whereas one cat was pyrexic.