Hidden diversity and potential ecological function of phosphorus acquisition genes in widespread terrestrial bacteriophages

基因组 生物地球化学循环 生态学 栖息地 基因 陆地生态系统 生物 生态系统 遗传学
作者
Jie‐Liang Liang,Shi‐wei Feng,Jingli Lu,Xiaonan Wang,Fenglin Li,Yuqian Guo,Shen-yan Liu,Yuan-yue Zhuang,Sheng-ji Zhong,Jin Hai Zheng,Ping Wen,Xinzhu Yi,Pu Jia,Bin Liao,Wensheng Shu,Jintian Li
出处
期刊:Nature Communications [Springer Nature]
卷期号:15 (1) 被引量:7
标识
DOI:10.1038/s41467-024-47214-7
摘要

Abstract Phosphorus (P) limitation of ecosystem processes is widespread in terrestrial habitats. While a few auxiliary metabolic genes (AMGs) in bacteriophages from aquatic habitats are reported to have the potential to enhance P-acquisition ability of their hosts, little is known about the diversity and potential ecological function of P-acquisition genes encoded by terrestrial bacteriophages. Here, we analyze 333 soil metagenomes from five terrestrial habitat types across China and identify 75 viral operational taxonomic units (vOTUs) that encode 105 P-acquisition AMGs. These AMGs span 17 distinct functional genes involved in four primary processes of microbial P-acquisition. Among them, over 60% (11/17) have not been reported previously. We experimentally verify in-vitro enzymatic activities of two pyrophosphatases and one alkaline phosphatase encoded by P-acquisition vOTUs. Thirty-six percent of the 75 P-acquisition vOTUs are detectable in a published global topsoil metagenome dataset. Further analyses reveal that, under certain circumstances, the identified P-acquisition AMGs have a greater influence on soil P availability and are more dominant in soil metatranscriptomes than their corresponding bacterial genes. Overall, our results reinforce the necessity of incorporating viral contributions into biogeochemical P cycling.
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