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Dynamic alteration in the gut microbiota and metabolome of Huanjiang mini-pigs during pregnancy

文献类型： 外文期刊

作者： Xie, Peifeng 1 ; Hu, Chengjun 1 ; Azad, Md Abul Kalam 1 ; He, Qinghua 3 ; Zhu, Qian 1 ; Kong, Xiangfeng 1 ;

作者机构： 1.Chinese Acad Sci, Hunan Prov Key Lab Anim Nutr Physiol & Metab Proc, Key Lab Agroecol Proc Subtrop Reg, Inst Subtrop Agr,Natl Engn Lab Pollut Control & W, Changsha 410125, Peoples R China

2.Chinese Acad Trop Agr Sci, Trop Crop Genet Resource Res Inst, Haikou 571101, Hainan, Peoples R China

3.Shenzhen Univ, Coll Chem & Environm Engn, Dept Food Sci & Engn, Shenzhen 518060, Peoples R China

关键词： Gut microbiota; Huanjiang mini-pigs; Metabolites; Fat accumulation; Pregnancy

期刊名称：BMC VETERINARY RESEARCH （ 影响因子：2.792； 五年影响因子：3.008 ）

ISSN：

年卷期： 2022 年 18 卷 1 期

页码：

收录情况： SCI

摘要： Background Maternal gut microbiota and metabolites are associated with their offspring's health. Our previous study showed that maternal body fat percentage increased from days 45 to 110 of gestation in a Huanjiang mini-pig model. Thus, this study aimed to investigate the changes in gut microbiota composition and microbial metabolite profile of sows from days 45 to 110 of gestation. Results Twenty-four Huanjiang mini-pigs with average body weight were assigned for sample collection during early- (day 45 of pregnancy), mid- (day 75 of pregnancy), and late-pregnancy (day 110 of pregnancy). The results showed that the relative abundances of Clostridium_sensu_stricto_1, Romboutsia, Turicibacter, and Streptococcus in jejunal contents were higher at day 110 than those at day 45 or 75 of gestation. In the ileum, the relative abundance of Streptococcus was higher (P < 0.05) at day 110 of gestation, as well as the metabolism function of the jejunal and ileal microbiota. The ileal butyrate and acetate concentrations were higher at days 45 and 110 of gestation, respectively. In the colon, the concentrations of cadaverine and spermine were higher (P < 0.05) at days 45 and 110 of gestation, respectively. Metabolomic analyses demonstrated that the metabolic pathways, including D-glutamine and D-glutamate metabolism, phenylalanine/tyrosine/tryptophan biosynthesis, and alanine/aspartate/glutamate metabolism changed during gestation. Conclusion Collectively, our results showed that gut microbiota composition and microbial metabolites changed dramatically from early to late pregnancy in a Huanjiang mini-pig model. These findings will provide new targets in formulating maternal nutritional interventions to alleviate the adverse effects during pregnancy on offspring health outcomes.

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