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Impact of host intraspecies genetic variation, diet, and age on bacterial and fungal intestinal microbiota in tigers.


ABSTRACT: The bacterial microbiota in the gut varies among species, as well as with habitat, diet, age, and other factors. Intestinal microbiota homeostasis allows a host to adjust metabolic and immune performances in response to environmental changes. Therefore, potential implications of the gut microbiota in sustaining the health of the host have gained increasing attention in the field of endangered animal conservation. However, the effect of host intraspecies genetic variation on the gut microbiota is unknown. Moreover, little is known about the complexity of the gut mycobiota. Tigers are listed as endangered species, raising worldwide concern. Potential influences of subspecies, diet, and age on the gut microbiota in tigers were investigated in this study to provide a better understanding of the response of the tiger gut microbiota to external changes. The results revealed that the impacts of the factors listed above on gut bacterial and fungal communities are versatile. Host intraspecies genetic variation significantly impacted only fungal alpha diversity of the gut microbiota. Differences in diet, on the other hand, had a significant impact on alpha diversity of the gut microbiota, but exerted different effects on beta diversity of gut bacterial and fungal communities. Host age had no significant impact on the diversity of the gut fungal communities, but significantly impacted beta diversity of gut bacterial communities. This comprehensive study of tiger gut microbiota is an essential reference for tiger conservation when considering feeding and management strategies, and will contribute to a better understanding of the mycobiota in wildlife.

SUBMITTER: Jiang H 

PROVIDER: S-EPMC7349146 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Impact of host intraspecies genetic variation, diet, and age on bacterial and fungal intestinal microbiota in tigers.

Jiang Haiying H   Chen Wu W   Su Li L   Huang Mingwei M   Lin Libo L   Su Qiao Q   Li Guanyu G   Ahmad Hafiz Ishfaq HI   Ahmad Hafiz Ishfaq HI   Li Linmiao L   Zhang Xiujuan X   Li Huiming H   Chen Jinping J  

MicrobiologyOpen 20200512 7


The bacterial microbiota in the gut varies among species, as well as with habitat, diet, age, and other factors. Intestinal microbiota homeostasis allows a host to adjust metabolic and immune performances in response to environmental changes. Therefore, potential implications of the gut microbiota in sustaining the health of the host have gained increasing attention in the field of endangered animal conservation. However, the effect of host intraspecies genetic variation on the gut microbiota is  ...[more]

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