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齐亚梅斯的基因型影响微生物和病毒根生菌群社区结构

Pooja Yadav¹, Amanda Quattrone^2,3, Yuguo Yang¹

¹School of Biological Sciences, University of Nebraska-Lincoln, Lincoln, NE, USA.

ISME communications

|December 6, 2023

概括

植物基因型显著影响土壤病毒群落. 不同的玉米基因型含有不同的病毒,影响土壤微生物组成和碳循环. 这突显了植物遗传学在土壤生态系统动态中的作用.

科学领域:

植物与微生物的相互作用
土壤微生物学土壤微生物学
病毒学病毒学

背景情况:

植物基因型影响树根球微生物群落.
植物基因型对土壤病毒群落的影响在很大程度上仍未被探索.
病毒在土壤生态系统和微生物社区结构中发挥着至关重要的作用.

研究的目的:

为了研究两种Zea mays基因型的树根生物组中病毒社区结构的变化.
为了确定树根生物组中病毒和微生物的丰富性.
探索病毒基因对根球功能 (如碳循环) 的潜在贡献.

主要方法:

在温室中种植Zea mays两种基因型 (parviglumis和B73).
收获树根生物样本 (树根平原和树根球).
微生物和病毒群落的分析,使用16S rRNA基因扩增序列和基因组解析的基因组学.

主要成果:

在两种玉米基因型的树根生物组中,病毒比微生物更为丰富.
在两种基因型之间观察到微生物和病毒群落的显著差异.
只有4.5%的病毒结合物在基因型之间共享,这表明了强大的基因型特异性病毒社区.
发现了一种用于降解甘氨酸酸酶的病毒辅助代谢基因,这表明病毒在碳循环中的作用.

结论:

植物基因型显著改变了根球中的土壤病毒社区结构.
植物基因型有助于土壤生态系统中的病毒和微生物异质性.
树根生物组中的病毒具有可以影响树根球碳循环和代谢潜力的基因.

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