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微生物的扭曲? 延迟保存对海洋无脊椎动物微生物群多样性和组成的影响

Brenna Hutchings¹, Susanna López-Legentil¹, Lauren Stefaniak²

¹Department of Biology & Marine Biology, Center for Marine Science, University of North Carolina Wilmington, Wilmington, North Carolina, USA.

MicrobiologyOpen

|May 16, 2025

概括

延迟保护海洋无脊椎动物可能会影响它们的微生物组. 薄荷治疗在3小时的延迟后缓解了Trididemnum solidum微生物群的多样性丧失,从而保持了整个社区的组成.

科学领域:

海洋生物学海洋生物学
微生物学微生物学
基因组学就是基因组学.

背景情况:

海洋无脊椎动物的野外采集通常涉及保护延迟.
这些延迟可能会改变生物体的自然微生物组合.
了解这些影响对于准确的生态和分类学研究至关重要.

研究的目的:

为了研究延迟保存对殖民虫Trididemnum solidum微生物群的影响.
评估常见的放松剂薄荷对延迟保存期间微生物组变化的影响.
确定保存延迟是否会影响社区和分类级别的微生物群多样性和组成.

主要方法:

从伯利兹的珊瑚礁收集了Trididemnum solidum样本.
应用了三种保存处理:即时乙醇 (控制),海水中的3小时延迟 (SW) 和含薄荷的海水中的3小时延迟 (SW+M).
使用16S rRNA amplicon测序分析微生物群落.

主要成果:

与对照组相比,延迟保存 (SW) 显著降低了微生物组丰富度.
薄荷治疗 (SW+M) 缓解了这种丰富性损失,与对照组没有显著差异.
在所有治疗过程中,社区层面的微生物组成在很大程度上保持不变,尽管在延迟样本中观察到分类层面的变化,包括Catenococcus的繁殖.

结论:

保存的短暂延迟 (3小时) 并没有显著改变T. solidum.社区级微生物组的整体组成.
薄荷治疗有效地抵消与保存延迟相关的微生物群多样性轻微损失.
这些发现支持在T. solidum研究中使用薄荷素作为放松剂而不会损害微生物群的完整性.

关键词:

亚斯基迪亚的亚斯基迪亚是什么意思细菌细菌细菌是一种细菌.方法论方法论方法论海是海的一种类型.这种共生是共生.

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