Metagenomic analysis reveals metabolic mechanism of enhancing lignocellulosic anaerobic digestion mediated by CO2/O2-nanobubble water

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dc.contributor.authorWang, Enzhen
dc.contributor.authorSun, Hui
dc.contributor.authorXing, Fan
dc.contributor.authorZheng, Yonghui
dc.contributor.authorChen, Penghui
dc.contributor.authorLyu, Tao
dc.contributor.authorLiu, Ruotong
dc.contributor.authorLi, Xin
dc.contributor.authorDong, Renjie
dc.contributor.authorGuo, Jianbin
dc.date.accessioned2025-01-07T15:53:54Z
dc.date.available2025-01-07T15:53:54Z
dc.date.freetoread2025-01-07
dc.date.issued2024-12-01
dc.date.pubOnline2024-10-11
dc.description.abstractNanobubble water (NW) has been reported to enhance anaerobic digestion (AD), but its influence on the metabolic pathways of microorganisms remains unclear. In this study, the specific methane yields of rice straw in the CO2NW and O2NW treatments increased by 6.9% and 18.3%, respectively. The electron transport system (ETS) and coenzyme F420 activities were enhanced by the addition of NW. Metagenomic analysis showed that the abundances of most enzymes in the acidification were significantly increased by both CO2NW and O2NW. Regarding methanogenesis, CO2NW promoted the expression of genes encoding enzymes of hydrogenotrophic methanogenesis, while O2NW stimulated both the acetoclastic and hydrogenotrophic methanogenesis. With the addition of O2NW, the expressions of modules related to the tricarboxylic acid (TCA) cycle and oxidative phosphorylation were enhanced, resulting in increased ATP production. This study provided fundamental evidence of the metabolic pathways of microorganisms mediated by NW at each stage of AD.
dc.description.journalNameBioresource Technology
dc.description.sponsorshipNational Natural Science Foundation of China
dc.format.mediumPrint-Electronic
dc.identifier.citationWang E, Sun H, Xing F, et al., (2024) Metagenomic analysis reveals metabolic mechanism of enhancing lignocellulosic anaerobic digestion mediated by CO2/O2-nanobubble water. Bioresource Technology, Volume 414, December 2024, Article number 131622en_UK
dc.identifier.eissn1873-2976
dc.identifier.elementsID554859
dc.identifier.issn0960-8524
dc.identifier.paperNo131622
dc.identifier.urihttps://doi.org/10.1016/j.biortech.2024.131622
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23334
dc.identifier.volumeNo414
dc.languageEnglish
dc.language.isoen
dc.publisherElsevieren_UK
dc.publisher.urihttps://www.sciencedirect.com/science/article/pii/S0960852424013269?via%3Dihub
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectBiogas productionen_UK
dc.subjectNanobubblesen_UK
dc.subjectRice strawen_UK
dc.subjectMicro-oxygenen_UK
dc.subjectMicrobial communityen_UK
dc.subject31 Biological Sciencesen_UK
dc.subject3106 Industrial Biotechnologyen_UK
dc.subjectBiotechnologyen_UK
dc.subject3001 Agricultural biotechnologyen_UK
dc.subject3107 Microbiologyen_UK
dc.subject.meshAnaerobiosisen_UK
dc.subject.meshLigninen_UK
dc.subject.meshCarbon Dioxideen_UK
dc.subject.meshMetagenomicsen_UK
dc.subject.meshMethaneen_UK
dc.subject.meshWateren_UK
dc.subject.meshOxygenen_UK
dc.subject.meshOryzaen_UK
dc.titleMetagenomic analysis reveals metabolic mechanism of enhancing lignocellulosic anaerobic digestion mediated by CO2/O2-nanobubble wateren_UK
dc.typeArticle
dc.type.subtypeJournal Article
dcterms.dateAccepted2024-10-09

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