Unraveling phase-dependent variations of viral community, virus-host linkage, and functional potential during manure composting process.

IF 9.7 1区环境科学与生态学 Q1 AGRICULTURAL ENGINEERING Bioresource Technology Pub Date : 2025-01-16 DOI:10.1016/j.biortech.2025.132081

Zhengyuan Zhou, Songfeng Liu, Muhammad Saleem, Fei Liu, Ruiwen Hu, Hualong Su, Da Dong, Zhiwen Luo, Yongjie Wu, Yan Zhang, Zhili He, Cheng Wang

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引用次数: 0

Abstract

The temporal dynamics of bacterial and fungal communities significantly impact the manure composting process, yet viral communities are often underexplored. Bulk metagenomes, viromes, metatranscriptomes, and metabolomes were integrated to investigate dynamics of double-stranded DNA (dsDNA) virus and virus-host interactions throughout a 63-day composting process. A total of 473 viral operational taxonomic units (vOTUs), predominantly Caudoviricetes, showed distinct phase-dependent differentiation. In phase I (initial-mesophilic), viruses targeted Gammaproteobacteria and Firmicutes, utilizing restriction-modification (RM) systems. In phase II (thermophilic-maturing), viruses infected Alphaproteobacteria, Chloroflexi, and Planctomycetes, employing CRISPR-Cas systems. Lysogenic and lytic viruses exerting differential effects on bacterial pathogens across phases. Additionally, six types of auxiliary metabolic genes (AMGs) related to galactose and cysteine metabolisms were identified. The homologous lineages of AMGs with bacterial genes, along with the significant temporal correlation observed between virus-host-metabolite interactions, underscore the critical yet often overlooked role of viral communities in modulating microbial metabolisms and pathogenesis within composting ecosystems.

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来源期刊

Bioresource Technology 工程技术-能源与燃料

CiteScore

20.80

自引率

19.30%

发文量

2013

审稿时长

12 days

期刊介绍： Bioresource Technology publishes original articles, review articles, case studies, and short communications covering the fundamentals, applications, and management of bioresource technology. The journal seeks to advance and disseminate knowledge across various areas related to biomass, biological waste treatment, bioenergy, biotransformations, bioresource systems analysis, and associated conversion or production technologies. Topics include: • Biofuels: liquid and gaseous biofuels production, modeling and economics • Bioprocesses and bioproducts: biocatalysis and fermentations • Biomass and feedstocks utilization: bioconversion of agro-industrial residues • Environmental protection: biological waste treatment • Thermochemical conversion of biomass: combustion, pyrolysis, gasification, catalysis.