Results 91 to 100 of about 6,566 (210)
Trace-gas metabolic versatility of the facultative methanotroph Methylocella silvestris [PDF]
The climate-active gas methane is generated both by biological processes and by thermogenic decomposition of fossil organic material, which forms methane and short-chain alkanes, principally ethane, propane and butane1, 2. In addition to natural sources,
A Crombie +40 more
core +1 more source
Winter Methane Fluxes Over Boreal and Arctic Environments
Abstract Unprecedented warming of Arctic–boreal regions (ABR) has poorly understood consequences on carbon cycle processes. Limited winter data add uncertainty to annual methane (CH4) budgets. In this study, winter CH4 flux measurements were conducted using the snowpack diffusion gradient method over five ABR ecosystem types in Canada and Finland ...
Alex Mavrovic +5 more
wiley +1 more source
Microbial CH4 and N2O consumption in acidic wetlands
Acidic wetlands are global sources of the atmospheric greenhouse gases methane (CH4), and nitrous oxide (N2O). Consumption of both atmospheric gases has been observed in various acidic wetlands, but information on the microbial mechanisms underlying ...
Steffen eKolb, Marcus A. Horn
doaj +1 more source
Activity of type I methanotrophs dominates under high methane concentration: methanotrophic activity in slurry surface crusts as influenced by methane, oxygen, and inorganic nitrogen [PDF]
Livestock slurry is a major source of atmospheric methane (CH4), but surface crusts harboring methane-oxidizing bacteria (MOB) could mediate against CH4 emissions.
Acha +70 more
core +3 more sources
ABSTRACT Bacteriohopanepolyol derivatives (BHPDs) and dia‐ and catagenetic products formed from these bacterial membrane modifiers are extensively used as biomarkers in molecular ecological and geoscience studies. Some BHPDs can be assigned to specific phylogenetic bacterial groups. With the vastly increasing availability of complete bacterial genomes,
Jaap S. Sinninghe Damsté +5 more
wiley +1 more source
Rare bacteriohopanepolyols as markers for an autotrophic, intra-aerobic methanotroph [PDF]
Bacteriohopanepolyols (BHPs) and their diagenetic products, hopanoids, are of great interest for their potential as biomarker lipids in both present day environments as well as in the geological record. Specific structural features such as methylation of the A-ring, and number and type of functional groups of C35 BHPs have been held characteristic for ...
Kool DM +4 more
openaire +6 more sources
Methylmercury uptake and degradation by methanotrophs [PDF]
Methylmercury (CH3Hg+) is a potent neurotoxin produced by certain anaerobic microorganisms in natural environments. Although numerous studies have characterized the basis of mercury (Hg) methylation, no studies have examined CH3Hg+ degradation by ...
DiSpirito, Alan +6 more
core +1 more source
Summary Despite the increasing number of studies investigating tree methane fluxes, the relationships between tree methane fluxes and species traits remain mostly unexplored. We measured leaf and stem methane fluxes of five tree species (Acer saccharinum, Fraxinus nigra, Ulmus americana, Salix nigra, and Populus spp.) in the floodplain of Lake St ...
Marie‐Ange Moisan +4 more
wiley +1 more source
Aerobic Methanotrophs in Natural and Agricultural Soils of European Russia
Human activities such as land management and global warming have great impact on the environment. Among changes associated with the global warming, rising methane emission is a serious concern.
Irina Kravchenko +2 more
doaj +1 more source
The rise and fall of methanotrophy following a deepwater oil-well blowout [PDF]
The blowout of the Macondo oil well in the Gulf of Mexico in April 2010 injected up to 500,000 tonnes of natural gas, mainly methane, into the deep sea1.
A-R. Diercks +47 more
core +1 more source

