Virus Diversity Studies in Paddy Soils
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1.College of Agriculture,South China Agricultural University,Guangzhou ,China;2.Key Laboratory of Food Quality and Safety of Guangdong Province, College of Food Science,South China Agricultural University,Guangzhou ,China

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The National Natural Science Foundation of China(32202194);Guangdong Provincial Key Laboratory of Microbial Safety and Health Open Topic(2020B121201009-PKLMSH003-2021);广州市重点研发计划项目(SL2022B03J01243)

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    Abstract:

    【Objective】Viruses are the most abundant and diverse group of microorganisms on Earth as they can be found in a wide range of organisms and environments. Despite their ubiquity, there are relatively few studies on the virome in paddy soil systems, which is an area that warrants investigation. 【Method】In this study, virus sequences were mined from rice soil macrogenome sequencing data in public databases and characterized. 【Result】A database of paddy soil viruses (PSVD) was constructed, which contained 8,791 viral operational taxonomic units (vOTUs) and 168,940 protein sequences. In PSVD, 31.41% of the sequences could predict the taxonomic status of the species. These viral sequences belonged to 76 known virus families, with the majority of viruses coming from the Caudoviricetes, and their hosts were mainly distributed across 11 bacterial phyla. Also, Auxiliary Metabolic Genes (AMGs) carried by rice field soil viruses were analyzed, and 39 carbohydrate-active enzymes (CAZymes) genes, which may have been widely distributed in rice soil systems, were identified, and the presence of these genes contributed to biogeochemical cycling. 【Conclusion】In summary, this study innovatively constructed a PSVD database and used DRAM-v to mine AMG genes in paddy soil systems, thus, laying a research foundation for later studies of paddy soil virus groups and providing new insights for the resolution of paddy virus communities.

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Liu Zekun, HUANG Shixuan, YANG Meiyan. Virus Diversity Studies in Paddy Soils[J]. Acta Pedologica Sinica,2024,61(6).

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History
  • Received:June 13,2023
  • Revised:November 06,2023
  • Adopted:November 22,2023
  • Online: January 15,2024
  • Published: