Article ; Online: Gut microbial shifts in vampire bats linked to immunity due to changed diet in human disturbed landscapes.
The Science of the total environment
2023 Volume 907, Page(s) 167815
Abstract: Anthropogenic land-use change alters wildlife habitats and modifies species composition, diversity, and contacts among wildlife, livestock, and humans. Such human-modified ecosystems have been associated with emerging infectious diseases, threatening ... ...
| Abstract | Anthropogenic land-use change alters wildlife habitats and modifies species composition, diversity, and contacts among wildlife, livestock, and humans. Such human-modified ecosystems have been associated with emerging infectious diseases, threatening human and animal health. However, human disturbance also creates new resources that some species can exploit. Common vampire bats (Desmodus rotundus) in Latin America constitute an important example, as their adaptation to human-modified habitats and livestock blood-feeding has implications for e.g., rabies transmission. Despite the well-known links between habitat degradation and disease emergence, few studies have explored how human-induced disturbance influences wildlife behavioural ecology and health, which can alter disease dynamics. To evaluate links among habitat disturbance, diet shifts, gut microbiota, and immunity, we quantified disturbance around roosting caves of common vampire bats in Costa Rica, measured their long-term diet preferences (livestock or wildlife blood) using stable isotopes of carbon and nitrogen, evaluated innate and adaptive immune markers, and characterized their gut microbiota. We observed that bats from roosting caves with more cattle farming nearby fed more on cattle blood. Moreover, gut microbial richness and the abundance of specific gut microbes differed according to feeding preferences. Interestingly, bats feeding primarily on wildlife blood harboured a higher abundance of the bacteria Edwardsiella sp., which tended to be associated with higher immunoglobulin G levels. Our results highlight how human land-use change may indirectly affect wildlife health and emerging infectious diseases through diet-induced shifts in microbiota, with implications for host immunity and potential consequences for susceptibility to pathogens. |
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| MeSH term(s) | Humans ; Animals ; Cattle ; Ecosystem ; Chiroptera ; Gastrointestinal Microbiome ; Communicable Diseases, Emerging ; Rabies ; Livestock ; Animals, Wild | |||||
| Language | English | |||||
| Publishing date | 2023-10-16 | |||||
| Publishing country | Netherlands | |||||
| Document type | Journal Article | |||||
| ZDB-ID | 121506-1 | |||||
| ISSN | 1879-1026 ; 0048-9697 | |||||
| ISSN (online) | 1879-1026 | |||||
| ISSN | 0048-9697 | |||||
| DOI | 10.1016/j.scitotenv.2023.167815 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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