{"title":"Impact of soil viruses on C emissions can be enhanced by viral shuttle processes in soil","authors":"Di TONG , Caixian TANG , Jianming XU","doi":"10.1016/j.pedsph.2025.03.008","DOIUrl":null,"url":null,"abstract":"<div><div>Soil viruses can greatly influence both microbial catabolism and anabolism. Understanding such influences is crucial for unraveling the fate of soil organic carbon (C). However, previous studies on soil viruses have primarily focused on their role in soil C loss, overlooking their role in C sequestration. In this study, soil viruses and microbes were introduced into sterilized samples of crop and forest soils from typical red and brown soil regions of China to examine the effects of soil viruses on C dynamics, from the perspective of C release and retention. The results showed that the viral effects on soil C emissions varied between soil types. However, they significantly enhanced the accumulation of recalcitrant dissolved and metal-bound organic C, which in turn reinforced the viral effects on C emissions. Furthermore, the accumulation of dissolved and metal-bound organic C was always associated with the microbial utilization of dissolved organic nitrogen (N), highlighting the coupled C and N cycling during the viral shuttle process. Our research demonstrates for the first time the virus-mediated coupling of C and N cycling in soils and the dual role of viruses in soil C release and stabilization, providing a new understanding of virus-driven soil C cycling.</div></div>","PeriodicalId":49709,"journal":{"name":"Pedosphere","volume":"35 4","pages":"Pages 617-626"},"PeriodicalIF":5.2000,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Pedosphere","FirstCategoryId":"97","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1002016025000232","RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"SOIL SCIENCE","Score":null,"Total":0}
引用次数: 0
Abstract
Soil viruses can greatly influence both microbial catabolism and anabolism. Understanding such influences is crucial for unraveling the fate of soil organic carbon (C). However, previous studies on soil viruses have primarily focused on their role in soil C loss, overlooking their role in C sequestration. In this study, soil viruses and microbes were introduced into sterilized samples of crop and forest soils from typical red and brown soil regions of China to examine the effects of soil viruses on C dynamics, from the perspective of C release and retention. The results showed that the viral effects on soil C emissions varied between soil types. However, they significantly enhanced the accumulation of recalcitrant dissolved and metal-bound organic C, which in turn reinforced the viral effects on C emissions. Furthermore, the accumulation of dissolved and metal-bound organic C was always associated with the microbial utilization of dissolved organic nitrogen (N), highlighting the coupled C and N cycling during the viral shuttle process. Our research demonstrates for the first time the virus-mediated coupling of C and N cycling in soils and the dual role of viruses in soil C release and stabilization, providing a new understanding of virus-driven soil C cycling.
期刊介绍:
PEDOSPHERE—a peer-reviewed international journal published bimonthly in English—welcomes submissions from scientists around the world under a broad scope of topics relevant to timely, high quality original research findings, especially up-to-date achievements and advances in the entire field of soil science studies dealing with environmental science, ecology, agriculture, bioscience, geoscience, forestry, etc. It publishes mainly original research articles as well as some reviews, mini reviews, short communications and special issues.