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Dietary Taurine Regulation of the Intestinal Microbiome in Chinese Stripe-Necked Turtle (Mauremys sinensis)

文献类型： 外文期刊

作者： Yuan, Yue 1 ; Niu, Xin 1 ; Hao, Chenguang 2 ; Liang, Lingyue 1 ; Huang, Zubin 1 ; Wang, Dongmei 2 ; Hong, Meiling 1 ; Ding, Li 1 ;

作者机构： 1.Hainan Normal Univ, Coll Life Sci, Key Lab Trop Anim & Plant Ecol Hainan Prov, Key Lab Ecol Trop Isl,Minist Educ, Haikou 571158, Peoples R China

2.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou 571158, Peoples R China

关键词： Mauremys sinensis; gut microbiota; animal health; nutrient additives

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）

ISSN： 1661-6596

年卷期： 2025 年 26 卷 2 期

页码：

收录情况： SCI

摘要： Taurine is essential for sustaining the body's physiological equilibrium and is extensively utilized as a dietary supplement and immune system enhancer for aquatic creatures. The gut microbiota serves as a vital health indicator in animals. In this study, our goal was to evaluate the effects of dietary taurine on the gut microbiome of Chinese stripe-necked turtles (Mauremys sinensis). Turtles were evenly divided into three supplementation groups: a control group with no taurine in the diet, a low group with 0.1% taurine, and a high group with 0.4% taurine. High-throughput sequencing was employed to analyze the gut microbiome's composition and structure. The results showed that the impact of taurine supplementation on the alpha-diversity and beta-diversity of the gut microbiome was not statistically significant. At the phylum level, Firmicutes and Bacteroidetes predominated the gut microbiome. At the genus level, three beneficial bacteria, Clostridium_sensu_stricto_13, Pygmaiobacter, and Terrisporobacter showed significant differences under different levels of taurine supplementation and increased in abundance with the supplementation of taurine, while the harmful bacterium Brucella decreased in abundance with the addition of taurine and exhibited significant differences. Furthermore, LEfSe analysis and functional predictions highlighted significant variations in the functional traits of gram-positive intestinal bacteria among the different taurine supplementation levels. These findings imply that dietary taurine may alter the intestinal microbiome structure in Chinese stripe-necked turtles, offering valuable insights for the scientific assessment of taurine's health benefits as a feed additive and potentially guiding the formulation of more informed and healthier feeding practices.

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