Results 81 to 90 of about 10,145 (230)

Tracing methane sources in shallow waters of the North Sea: Biogenic signatures and hydrocarbon transport near abandoned wells

Limnology and Oceanography, Volume 71, Issue 7, July 2026.
Abstract Numerous abandoned wells in the North Sea may provide gas, particularly methane (CH4), migration pathways by penetrating shallow, biogenic gas accumulations. However, related sampling campaigns have been largely contradictory and lack a substantial database. Research cruise MSM98 targeted the abandoned wells B18‐1, DOK 1‐X, B11‐2, THOR and D‐1
Katja U. Heeschen, Stefan Schloemer, Robert Kopte, Miriam Römer, Martin Blumenberg   +4 more
wiley   +1 more source

Methane emissions from canals draining tropical peatlands: Constraining temporal variability and emissions pathways

Limnology and Oceanography Letters, Volume 11, Issue 4, July 2026.
Abstract Drainage canals are potential hotspots of methane (CH4) emissions from degraded peatlands in Southeast Asia. Estimates of CH4 emissions from these canals remain scarce, and both the temporal variability and pathways of CH4 emissions are uncertain.
Clarice R. Perryman, Jennifer C. Bowen, Desi Silviani Putri Aulian Barry, Erin Dayanti, Yulita Andriyani, Ruby L. Gates, Nisa Novita, Gusti Z. Anshari, Alison M. Hoyt   +8 more
wiley   +1 more source

Is aceticlastic methanogen composition in full-scale anaerobic processes related to acetate utilization capacity? [PDF]

, 2014
In this study, biomass samples were obtained from six municipal and nine industrial full-scale anaerobic processes to investigate whether the aceticlastic methanogen population composition is related to acetate utilization capacity and the nature of the ...
Yılmazel Tokel, Yasemin Dilşad, Ince-Yilmaz, Ebru, Yilmazel, Yasemin Dilsad, Yilmaz, Vedat, Duran, Metin   +4 more
core   +1 more source

Electrobiocorrosion by microbes without outer‐surface cytochromes

mLife
Anaerobic microbial corrosion of iron‐containing metals causes extensive economic damage. Some microbes are capable of direct metal‐to‐microbe electron transfer (electrobiocorrosion), but the prevalence of electrobiocorrosion among diverse methanogens ...
Dawn E. Holmes, Trevor L. Woodard, Jessica A. Smith, Florin Musat, Derek R. Lovley   +4 more
doaj   +1 more source

Understanding the influence of sward type and dairy cow breed on enteric methane emissions through investigation of the rumen microbiome

Frontiers in Microbiology
The current study investigated the rumen microbiome of Holstein-Friesian (HF) and Holstein-Friesian × Jersey crossbred (JFX) dairy cows grazing three sward systems; a perennial ryegrass (Lolium perenne) monoculture receiving 250 kg nitrogen (N)/ha/year ...
C. Dwan, C. Dwan, F. Buckley, F. Buckley, A. Das, P. W. O’Toole, T. F. O’Callaghan, D. Meehan, B. Horan, H. Costigan, A. Jezequel, A. Jezequel, B. Lahart   +12 more
doaj   +1 more source

Structure–activity relationship study shows versatility in substrate specificity for heterodisulfide reductase in methanogenic archaea

Protein Science, Volume 35, Issue 7, July 2026.
Abstract Hydrogenotrophic methanogens are anaerobic archaea that convert carbon dioxide and hydrogen into methane. Central to this process is the heterodisulfide reductase (Hdr), which catalyzes the reduction of the heterodisulfide made of coenzyme M and coenzyme B. In vivo, Hdr functions in association with electron‐donating modules such as the [NiFe]‐
Mahdi Faal Maleki, Joakim Bøgelund Jakobsen, Eva Danielle Schuiten, Tristan Wagner, André Luis Alves Neves, Lennart Bunch   +5 more
wiley   +1 more source

Investigation and manipulation of metabolically active methanogen community composition during rumen development in black goats [PDF]

, 2017
This study was performed to investigate the initial colonization of metabolically active methanogens and subsequent changes in four fractions: the rumen solid-phase (RS), liquid-phase (RL), protozoa-associated (RP), and epithelium-associated (RE) from 1 ...
Zhiliang Tan, Chijioke O. Elekwachi, Robert J. Forster, Zuo Wang, Min Wang, Jinzhen Jiao, Chuanshe Zhou, Shaoxun Tang   +7 more
core   +1 more source

Structural Analysis of a Nitrogenase Iron Protein from Methanosarcina acetivorans: Implications for CO₂ Capture by a Surface-Exposed [Fe₄S₄] Cluster

mBio, 2019
Nitrogenase iron (Fe) proteins reduce CO2 to CO and/or hydrocarbons under ambient conditions. Here, we report a 2.4-Å crystal structure of the Fe protein from Methanosarcina acetivorans (MaNifH), which is generated in the presence of a reductant ...
Lee A. Rettberg, Wonchull Kang, Martin T. Stiebritz, Caleb J. Hiller, Chi Chung Lee, Jasper Liedtke, Markus W. Ribbe, Yilin Hu   +7 more
doaj   +1 more source

Archaeal Tetraether Lipids as Tracers for Past Marine Environmental Change

Paleoceanography and Paleoclimatology, Volume 41, Issue 7, July 2026.
Abstract Archaea are single‐celled microorganisms that are abundant in marine environments and play a key role in the carbon and nitrogen cycles. Archaea can biosynthesize a wide variety of isoprenoid membrane lipids, including isoprenoid glycerol dibiphytanyl glycerol tetraethers (isoGDGTs).
Felix J. Elling, Gordon N. Inglis, Nina Davtian, Sarah J. Hurley, B. David A. Naafs, Lauren K. O'Connor, Richard D. Pancost, Francien Peterse, Ronnakrit Rattanasriampaipong, Addison Rice, Florence Schubotz, Jaap S. Sinninghe Damsté, Lars Wörmer, Alexandra Auderset, Kevin W. Becker, Melissa A. Berke, Peter K. Bijl, Cindy De Jonge, Liang Dong, Bella J. Duncan, Tom Dunkley Jones, Pierrick Fenies, Susanne Fietz, Sze Ling Ho, Arnaud Huguet, Carme Huguet, Jérôme Kaiser, Xiao‐Lei Liu, Gesine Mollenhauer, Sebastian Naeher, Ann Pearson, Kasia K. Śliwińska, Appy Sluijs, Claudia Sosa‐Montes de Oca, Qian Tian, Jessica E. Tierney, Devika Varma, Wenjie Xiao, Yi Ge Zhang, Xiaoxiao Zhao   +39 more
wiley   +1 more source

Investigation of the methanogen population structure and activity in a brackish lake sediment [PDF]

, 2005
The methanogen community in sediment from the edge of a small brackish lake connected to the Beaulieu Estuary (Hampshire, UK) was investigated by analysis of 16S rRNA gene diversity using new methanogen-specific primers plus Archaea-specific primers. 16S
Fry, JC, Parkes, RJ, Banning, Natasha C., Weightman, Andrew John, Banning, N, Weightman, AJ, Hornibrook, Edward R. C., Hornibrook, ERC, Brock, F, Fry, John Christopher, Parkes, Ronald John, Brock, Fiona   +11 more
core   +1 more source