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不同的温度对幼虫Eriocheir sinensis的生长和肠道微生物组成的影响
Meng Liang1, Wenrong Feng2, Xue Chen3
1Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China.
Frontiers in physiology
|July 31, 2023
概括
水温显著影响年轻的中国 (Eriocheir sinensis) 的生长和肠道微生物群. 最佳生长发生在23°C和30°C之间,温度影响微生物多样性和特定的细菌属.
科学领域:
- 水产养殖是水产养殖的一种方式.
- 微生物学 微生物学
- 甲动物生物学 甲动物生物学
背景情况:
- 水温是一个关键的环境因素,影响水生生物的生理和微生物群落.
- 肠道微生物组在类动物 (如Eriocheir sinensis) 的生长,发育和健康方面发挥着至关重要的作用.
研究的目的:
- 为了研究水温,肠道微生物群的组成,以及幼Eriocheir sinensis的生长性能之间的关系.
- 确定适合幼虫生长的最佳水温范围. 基于生理和微生物指标.
主要方法:
- 青少年 (E.E.) 的情况 sinensis在三个不同的水温下养:15°C,23°C和30°C.
- 分析了生长参数 (生存率,变率,体重增加,肥胖程度) 和肠道微生物群 (16S rRNA测序,多样性分析,功能预测).
主要成果:
- 随着温度的增加,生存率下降了 (在15°C时为100%,在30°C时为64.44%),而变率和体重增加增加.
- 肠道微生物的多样性在23°C时是最低的,但主导类 (Firmicutes,Proteobacteria,Bacteroidota) 和属 (Parabacteroides,Aeromonas) 随温度而变化.
- 温度影响了肠道微生物群的代谢,免疫和与生长相关的功能途径.
结论:
- 水温显著改变了幼虫的肠道微生物群的组成和功能. 这就是"sinensis".
- 对于幼的最佳水温范围E. sinensis的生长温度在23°C和30°C之间.
- 了解这些温度-微生物群-生长相互作用对于优化水产养殖实践至关重要.
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