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被火塑造:揭示火对肠道微生物群的影响
Diana S Vasconcelos1,2,3, David James Harris1,3, Pedro Tarroso1,3
1CIBIO, Centro de Investigação Em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, Vairão, Portugal.
Molecular ecology
|January 29, 2026
概括
野火会改变的肠道细菌,但岩Podarcis lusitanicus表现出弹性. 它的微生物组适应不断变化的环境,尽管火灾历史导致细菌组成的变化,但仍保持功能.
科学领域:
- 生态生态学 生态生态学
- 微生物学 微生物学
- 类学 类学 类学 类学
背景情况:
- 野火制度正在发生变化,影响物种生态和动物生物相互作用.
- 岩石Podarcis lusitanicus的息地偏好可能有利于火灾后的持久性.
- 火灾后的饮食变化可能会影响食用相互作用和肠道微生物群.
研究的目的:
- 评估火灾历史如何影响Podarcis lusitanicus的肠道微生物群.
- 了解环境干扰,饮食和宿主相关微生物群落之间的关系.
主要方法:
- 在葡萄牙北部的不同火灾历史 (未燃烧,燃烧2016年,燃烧2022年) 的地点采集Podarcis lusitanicus的样本.
- 使用 16S rRNA 基因元编码 (V4 区域) 进行克洛亚克扫描的分析.
- 基于火灾史,性别,体型和饮食的肠道细菌组成变化的统计分析.
主要成果:
- 在Podarcis lusitanicus中,肠道细菌的组成因火灾史,性别,体型和饮食而有显著的变化.
- 与男性相比,女性的微生物丰富度更高,尽管饮食丰富度相似.
- 预测的微生物组功能在不同的火灾历史中保持相对稳定,这表明生态灵活性.
结论:
- 肠道微生物群受火灾史和宿主因素的影响.
- 的微生物组在易燃的环境中表现出弹性和生态灵活性.
- 这些发现有助于了解宿主微生物群对环境干扰的反应,并预测在不断变化的火灾制度下耐受性.
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