1. Gut microbiota contributes to the development of endometrial glands in gilts during the ovary-dependent period
- Author
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Baoyang Xu, Wenxia Qin, Yiqin Yan, Yimei Tang, Shuyi Zhou, Juncheng Huang, Chunlin Xie, Libao Ma, and Xianghua Yan
- Subjects
Endometrial gland ,Fecal microbiota transplantation ,Gut microbiota ,Meishan gilts ,Steroid hormones ,Untargeted metabolomics ,Animal culture ,SF1-1100 ,Veterinary medicine ,SF600-1100 - Abstract
Abstract Background The hyper-prolificacy Meishan gilts achieved a superior endometrial gland development (EGD) than white crossbred gilts during the ovary-independent period (before 60 d of age). Then, the EGD continues under the management of ovary-derived steroid hormones that regulated by gut microbiota (after 60 d of age). However, whether Meishan gilts’ superiority in EGD lasting to the ovary-dependent period (after 60 d of age) and the role of gut microbiota in this period both remain unclear. Methods Meishan gilts and Landrace x Yorkshire (LxY) gilts were raised under the same housing and feeding conditions until sexual maturity and then we compared their EGD and gut microbiota. Meanwhile, we transplanted fecal microbiota from Meishan gilts to L×Y gilts to explore the role of gut microbiota in EGD. We sampled plasma every 3 weeks and collected the uterus, ovary, liver, and rectal feces after the sacrifice. We then determined the hormone concentrations and expressions of the EGD-related genes. We also profiled the gut microbiota using 16S rDNA sequencing and metabolites of plasma and liver tissue using untargeted metabolomics. Finally, the correlation analysis and significant test was conducted between FMT-shifted gut microbes and EGD-related indices. Results Meishan gilts have larger endometrial gland area (P
- Published
- 2021
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