Project description:The mitogenome of the Asian badger Meles leucurus from Korea is a circular molecule of 16,529 bp, consisting of a control region and a conserved set of 37 genes containing 13 protein-coding genes (PCGs), 22 tRNA genes, and two rRNA genes (12S rRNA and 16S rRNA). The mitogenome of M. leucurus is AT-biased, with a nucleotide composition of 33.1% A, 27.9% T, 25.4% C, and 13.5% G. The phylogenetic analysis revealed that the badger M. leucurus from Korea is well grouped with that from China, forming a sister clade to M. meles from Japan.

| S-EPMC7799661 | biostudies-literature

The comparison of gut microbiota between wild and captive Asian badgers (Meles leucurus) under different seasons.

Project description:The gut microbiota plays an important role in the immunology, physiology and growth and development of animals. However, currently, there is a lack of available sequencing data on the gut microbiota of Asian badgers. Studying the gut microbiota of Asian badgers could provide fundamental data for enhancing productivity and immunity of badgers' breeding, as well as for the protection of wild animals. In this study, we first characterized the composition and structure of the gut microbiota in the large intestines of wild and captive Asian badgers during summer and winter by sequencing the V3-V4 region of the 16S ribosomal RNA gene. A total of 9 dominant phyla and 12 genera among the bacterial communities of the large intestines exhibited significant differences. Our results showed that Firmicutes and Proteobacteria were the most predominant in both wild and captive badgers, regardless of the season. Romboutsia, Streptococcus and Enterococcus may represent potential sources of zoonoses, warranting further attention and study. Our findings indicated that the diversity and availability of food resources were the most important influencing factors on the gut microbiota of Asian badgers, providing fundamental data for the protection and conservation of wild animals. Variation in the gut microbiota due to season, age and sex in both wild and captive Asian badgers should be considered in future research directions. Furthermore, combined multi-omics studies could provide more information for wild animal conservation, and enhancing our understanding of the molecular mechanism between the microbiota and host.

| S-EPMC11303745 | biostudies-literature

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