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Evolving understanding of rumen methanogen ecophysiology

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dc.contributor.authorKhairunisa, Bela Haifaen
dc.contributor.authorHeryakusuma, Christianen
dc.contributor.authorIke, Kelechien
dc.contributor.authorMukhopadhyay, Biswarupen
dc.contributor.authorSusanti, Dwien
dc.date.accessioned2024-01-22T12:59:07Zen
dc.date.available2024-01-22T12:59:07Zen
dc.date.issued2023-11-06en
dc.description.abstractProduction of methane by methanogenic archaea, or methanogens, in the rumen of ruminants is a thermodynamic necessity for microbial conversion of feed to volatile fatty acids, which are essential nutrients for the animals. On the other hand, methane is a greenhouse gas and its production causes energy loss for the animal. Accordingly, there are ongoing efforts toward developing effective strategies for mitigating methane emissions from ruminant livestock that require a detailed understanding of the diversity and ecophysiology of rumen methanogens. Rumen methanogens evolved from free-living autotrophic ancestors through genome streamlining involving gene loss and acquisition. The process yielded an oligotrophic lifestyle, and metabolically efficient and ecologically adapted descendants. This specialization poses serious challenges to the efforts of obtaining axenic cultures of rumen methanogens, and consequently, the information on their physiological properties remains in most part inferred from those of their non-rumen representatives. This review presents the current knowledge of rumen methanogens and their metabolic contributions to enteric methane production. It also identifies the respective critical gaps that need to be filled for aiding the efforts to mitigate methane emission from livestock operations and at the same time increasing the productivity in this critical agriculture sector.en
dc.description.versionPublished versionen
dc.format.extent30 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifierARTN 1296008 (Article number)en
dc.identifier.doihttps://doi.org/10.3389/fmicb.2023.1296008en
dc.identifier.eissn1664-302Xen
dc.identifier.issn1664-302Xen
dc.identifier.orcidMukhopadhyay, Biswarup [0000-0003-0736-0298]en
dc.identifier.otherPMC10658910en
dc.identifier.pmid38029083en
dc.identifier.urihttps://hdl.handle.net/10919/117424en
dc.identifier.volume14en
dc.language.isoenen
dc.publisherFrontiersen
dc.relation.urihttps://www.ncbi.nlm.nih.gov/pubmed/38029083en
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectrumenen
dc.subjectmethanogenen
dc.subjectmethaneen
dc.subjectgreenhouse gasen
dc.subjectarchaeaen
dc.subjectruminantsen
dc.subjectmicrobiomeen
dc.titleEvolving understanding of rumen methanogen ecophysiologyen
dc.title.serialFrontiers in Microbiologyen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherJournalen
dcterms.dateAccepted2023-10-12en
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciencesen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciences/Biochemistryen
pubs.organisational-group/Virginia Tech/Faculty of Health Sciencesen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciences/CALS T&R Facultyen
pubs.organisational-group/Virginia Tech/VT Carilion School of Medicineen
pubs.organisational-group/Virginia Tech/VT Carilion School of Medicine/Internal Medicineen
pubs.organisational-group/Virginia Tech/VT Carilion School of Medicine/Internal Medicine/Secondary Appointment- Internal Medicineen
pubs.organisational-group/Virginia Tech/VT Carilion School of Medicine/Internal Medicine/Internal Med-Subgroupen

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