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环境选择和进化过程共同塑造了红树林树根球微生物群的基因组和功能概况

Xiaoli Yu¹, Qichao Tu², Jihua Liu²

¹State Key Laboratory for Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Environmental Science and Engineering, Environmental Microbiomics Research Center Sun Yat-sen University Guangzhou China.

|May 31, 2024

概括

引入的红树林物种改变了树根球微生物组,影响了甲,和硫循环. 盐度和氨等环境因素驱动这些微生物的功能变化,这对重新造林工作至关重要.

科学领域:

环境微生物学环境微生物学
恢复生态系统恢复生态系统
生物地质化学循环生物地质化学循环

背景情况:

使用引入物种的红树林再造是常见的,但其对微生物功能的影响尚不清楚.
球微生物组驱动着重要生物地化学循环,如林中的甲,和硫.

研究的目的:

研究引入的红树林物种如何影响微生物生物化学循环.
了解环境选择和进化在塑造这些微生物群落中的作用.

主要方法:

来自原生 (Kandelia obovata) 和引入 (Sonneratia apetala) 红树林的根球微生物组的元基因组测序.
基因组和功能资料的分析,包括平均基因组大小 (AGS) 和基因丰度.
使用统计分析识别环境驱动因素.

主要成果:

引入的红树林具有更大的平均基因组大小 (AGS) 和更高的功能多样性,但甲,固定和硫循环的潜力降低了.
蛋白质细菌在引入的红树林根球中显示出不同的功能配置和更高的AGS.
盐度和氨是通过决定性过程影响微生物功能的关键环境因素.

结论:

引入的红树林物种显著改变了树根球微生物群落及其生物地化学功能.
环境选择,特别是盐度和,在塑造这些功能转变方面发挥着至关重要的作用.
研究结果为优化红树林复林策略提供了见解,以提高生态系统的功能.

关键词:

平均基因组大小平均基因组大小功能潜力的功能潜力红树林树根球是红树林的根球.甲基基因组 (metagenome) 是一个基因组.基因组组合基因组组合基因组组合基因组组合基因组组合基因组组合基因组组合基因组组组合基因组组组合基因组组组合基因组组组合基因组组组合基因组组组合基因组组组合基因组组组合基因组组组组合基因组组组合基因组组合基因组组组合基因组组组合基因组组组合基因组组合基因组组合基因组组组合基因组组组合基因组组组合基因组组组合基因组组组合基因组组合基因组组组合基因组组组合基因组组组组组组合基因组组组组合基因组组组组组组组组组组组组组组组组组组组组组组

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