Isolated Grauer’s gorilla populations differ in diet and gut microbiome
Abstract The animal gut microbiome has been implicated in a number of key biological processes, ranging from digestion to behavior, and has also been suggested to facilitate local adaptation. However, studies in wild animals rarely compare multiple populations that differ ecologically, which is the level at which local adaptation may occur. Further, few studies simultaneously characterize diet and the gut microbiome from the same sample, despite the likely presence of co-dependencies. Here, we investigate the interplay between diet and gut microbiome in three geographically isolated populations of the critically endangered Grauer’s gorilla, which we show to be genetically differentiated. We find population- and social group-specific dietary and gut microbial profiles and co-variation between diet and gut microbiome, despite the presence of core microbial taxa. There was no detectable effect of age, sex, or genetic relatedness on the microbiome. Diet differed considerably across populations, with the high-altitude population consuming a lower diversity of plants compared to low-altitude populations, consistent with food plant availability constraining diet. The observed pattern of covariation between diet and gut microbiome is likely a result of long-term social and ecological factors. Our study suggests that the gut microbiome is sufficiently plastic to support flexible food selection and hence contribute to local adaptation..
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Preprint| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
bioRxiv.org - (2022) vom: 28. Okt. Zur Gesamtaufnahme - year:2022 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Michel, Alice [VerfasserIn] |
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| doi: |
10.1101/2022.01.04.474987 |
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| PPN (Katalog-ID): |
XBI033355843 |
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| 520 | |a Abstract The animal gut microbiome has been implicated in a number of key biological processes, ranging from digestion to behavior, and has also been suggested to facilitate local adaptation. However, studies in wild animals rarely compare multiple populations that differ ecologically, which is the level at which local adaptation may occur. Further, few studies simultaneously characterize diet and the gut microbiome from the same sample, despite the likely presence of co-dependencies. Here, we investigate the interplay between diet and gut microbiome in three geographically isolated populations of the critically endangered Grauer’s gorilla, which we show to be genetically differentiated. We find population- and social group-specific dietary and gut microbial profiles and co-variation between diet and gut microbiome, despite the presence of core microbial taxa. There was no detectable effect of age, sex, or genetic relatedness on the microbiome. Diet differed considerably across populations, with the high-altitude population consuming a lower diversity of plants compared to low-altitude populations, consistent with food plant availability constraining diet. The observed pattern of covariation between diet and gut microbiome is likely a result of long-term social and ecological factors. Our study suggests that the gut microbiome is sufficiently plastic to support flexible food selection and hence contribute to local adaptation. | ||
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| 700 | 1 | |a Li, Yuhong |e verfasserin |4 aut | |
| 700 | 1 | |a Nota, Kevin |e verfasserin |4 aut | |
| 700 | 1 | |a Gadhvi, Maya A. |e verfasserin |4 aut | |
| 700 | 1 | |a Su, Jiancheng |e verfasserin |4 aut | |
| 700 | 1 | |a Iyer, Neetha |e verfasserin |4 aut | |
| 700 | 1 | |a Porter, Amy |e verfasserin |4 aut | |
| 700 | 1 | |a Ngobobo-As-Ibungu, Urbain |e verfasserin |4 aut | |
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| 700 | 1 | |a Caillaud, Damien |e verfasserin |4 aut | |
| 700 | 1 | |a Guschanski, Katerina |e verfasserin |4 aut | |
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