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Comparison of the Fecal Microbiota in Feral and Domestic Goats

Author(s): Kassandra M. De Jesús-Laboy | Filipa Godoy-Vitorino | Yvette M. Piceno | Lauren M. Tom | Ida G. Pantoja-Feliciano | Michelle J. Rivera-Rivera | Gary L. Andersen | María G. Domínguez-Bello

Journal: Genes
ISSN 2073-4425

Volume: 3;
Issue: 1;
Start page: 1;
Date: 2011;
Original page

Keywords: feral | domestic | microbiome | antibiotic | resistance

Animals have co-evolved with mutualistic microbial communities, known as the microbiota, which are essential for organ development and function. We hypothesize that modern animal husbandry practices exert an impact on the intestinal microbiota. In this study, we compared the structure of the fecal microbiota between feral and domestic goats using the G2 PhyloChip and assessed the presence of five tetracycline resistance genes [tet(M), tet(S), tet(O), tet(Q) and tet(W)] by PCR. Feces were collected from 10 goats: 5 domestic from a farm in the main island of Puerto Rico and 5 feral from the remote dry island of Mona. There were 42 bacterial phyla from 153 families detected in the goats’ feces. A total of 84 PhyloChip-OTUs were different in the fecal microbiota of feral and domestic goat. Both feral and domestic goats carried antibiotic resistance genes tet(O) and tet(W), but domestic goats additionally carried tet(Q). Diet, host genetics and antibiotic exposure are likely determinant factors in shaping the intestinal microbiota and may explain the differences observed between feral and domestic goats fecal microbiota.
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