期刊
METABOLITES
卷 13, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/metabo13020248
关键词
gut microbiota; metabolism; muskrat; seasonal breeding; metagenome
This study conducted a metagenomic analysis of cecum contents from muskrats in the breeding and non-breeding seasons, revealing differences in gut microbiota structure and function. During the breeding season, the muskrat gut microbiota was enriched in beneficial bacteria and metabolism-related pathways and metabolites. This suggests that the muskrat gut microbiota may adjust seasonally to support reproductive activity and meet the metabolic demands of different seasons.
The gut microbiota plays a crucial role in the nutrition, metabolism, and immune function of the host animal. The muskrat (Ondatra zibethicus) is a typical seasonal breeding animal. The present study performed a metagenomic analysis of cecum contents from muskrats in the breeding and non-breeding seasons. The results indicated that the breeding muskrats and non-breeding muskrats differed in gut microbiota structure and function. During the breeding season, the relative abundance of phylum Bacteroidetes, genus Prevotella, and genus Alistipes increased, while the relative abundance of phylum Firmicutes and phylum Actinobacteria decreased. The muskrat gut microbiota was enriched in the metabolism-related pathways, especially amino acid and vitamin metabolism, and genetically related metabolites in the breeding season. We presumed that the muskrat gut microbiota might seasonally change to secure reproductive activity and satisfy the metabolic demands of different seasons. This study could explore potential mechanisms by which gut microbiota affects reproduction. Moreover, this study may provide a new theoretical basis for the management of muskrat captive breeding.
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