Li Wengang, Liu Jingru, Cui Lulu, Sun Ke, Gao Yulin, Wang Qin, Zhou Yongkang, Mei Lan, Yi Pingsi, Wu XiaoBing, Yu ZhenPeng, Pan Tao
College of Life Sciences, Anhui Normal University, Wuhu, 241000, Anhui, China.
The Anhui Provincial Key Laboratory of Biodiversity Conservation and Ecological Security in the Yangtze River Basin, Wuhu, 241000, Anhui, China.
Front Zool. 2025 Jul 29;22(1):15. doi: 10.1186/s12983-025-00572-4.
Increasing the quality of offspring to optimize population reproductive efficiency represents a viable approach for increasing population size. The population of Chinese alligators has a growing age structure, but the high mortality rate of juveniles is a serious problem that needs to be solved. We investigated the relationship between the weight of juvenile Chinese alligators and the microbiota to improve the survival rate and provide better protection for Chinese alligators. The results revealed significant differences in body weight among the selected individuals. Among the 35 most abundant microbial genera in the different weight groups, four genera (Stenoxybacter, Gracilibacteria, Absconditabacteriales_(SR1) and Saccharimonadales) were significantly positively correlated with weight. These genera can help the host shape the anaerobic environment of the intestine, degrade organic acids and proteins, and promote the production of growth-promoting factors. This study provided valuable insights into the relationship between the microbiota and weight, along with theoretical guidance for improving the survival rate of juvenile Chinese alligators.
提高后代质量以优化种群繁殖效率是增加种群数量的一种可行方法。扬子鳄种群年龄结构呈增长型，但幼体死亡率高是亟待解决的严重问题。我们研究了扬子鳄幼体体重与微生物群之间的关系，以提高其存活率，为扬子鳄提供更好的保护。结果显示，所选个体之间体重存在显著差异。在不同体重组中最丰富的35个微生物属中，有4个属（窄食单胞菌属、薄壁菌属、厌氧绳菌目（SR1）和糖单胞菌目）与体重呈显著正相关。这些属可帮助宿主塑造肠道厌氧环境，降解有机酸和蛋白质，并促进生长促进因子的产生。本研究为微生物群与体重之间的关系提供了有价值的见解，同时为提高扬子鳄幼体存活率提供了理论指导。
