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描述肠道微生物群的组成及其与海Apostichopus japonicus生长变化的相关性

Xinyue Tang¹, Ziming Li¹, Xinghai Liu¹

¹The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, China.

Marine biotechnology (New York, N.Y.)

|September 26, 2025

概括

肠道微生物群的差异影响海的生长速度. 快速生长的海 (Apostichopus japonicus) 显示了增强的消化能力和特定的代谢途径激活,与增加的微生物丰富性有关.

科学领域:

海洋生物学海洋生物学
微生物学微生物学
水产养殖科学水产养殖科学

背景情况:

海黄瓜 (Apostichopus japonicus) 是中国一个有价值的水产养殖物种.
尽管有共同的遗传和环境,但存在显著的个体生长变异.
人们越来越认识到肠道微生物群在宿主生理学中的作用.

研究的目的:

为了研究肠道微生物群的组成,消化能力和快速生长与缓慢生长的海中的代谢途径.
确定导致Apostichopus japonicus生长速度差异的微生物因素.
了解肠道微生物功能与海生长之间的关系.

主要方法:

来自海的肠道组织的16S rRNA测序,具有明显的生长速度.
LEfSe (微阵列和元基因组数据的线性模型) 分析以确定微生物的差异性丰度.
分析肠道微生物的代谢途径和与体重的相关性.

主要成果:

在ASV级别的alpha多样性没有显著差异,但观察到属级别的变化.
快速生长和缓慢生长的个体之间肠道微生物群组成的显著差异.
在快速生长的海中增加了Verrucomicrobiota,Verrucomicrobiaceae和Haloferula的丰度.
在快速生长的个体中增强了消化能力和更高的整体代谢活动.
体重和糖酸盐/二糖酸盐代谢和纯素代谢之间的正相关性.

结论:

肠道微生物群的功能活动是海生长速度变化的主要驱动因素.
改善消化能力和激活特定的代谢途径是促进宿主生长的关键.
这些发现为通过微生物操纵优化海水产养殖提供了洞察力.

关键词:

消化酶活动的消化酶活性.增长变化的变化.我们的肠道微生物群.代谢途径代谢途径海黄瓜的海黄瓜是什么意思

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