Results 171 to 180 of about 4,505 (206)
The origin of aerobic methanotrophy within the Proteobacteria [PDF]
FEMS Microbiology Letters, 2019 ABSTRACTAerobic methanotrophs play critical roles in the global carbon cycle, but despite their environmental ubiquity, they are phylogenetically restricted. Via bioinformatic analyses, it is shown that methanotrophy likely arose from methylotrophy from the lateral gene transfer of either of the two known forms of methane monooxygenase (particulate and
Peter F Dunfield, Jeremy D Semrau
exaly +3 more sources
Metals and Methanotrophy [PDF]
Applied and Environmental Microbiology, 2018 ABSTRACT Aerobic methanotrophs have long been known to play a critical role in the global carbon cycle, being capable of converting methane to biomass and carbon dioxide. Interestingly, these microbes exhibit great sensitivity to copper and rare-earth elements, with the expression of key genes involved in the central pathway of methane ...
Jeremy D Semrau +2 more
exaly +3 more sources
The role of methanotrophy in the microbial carbon metabolism of temperate lakes
Nature Communications, 2022 AbstractPrevious stable isotope and biomarker evidence has indicated that methanotrophy is an important pathway in the microbial loop of freshwater ecosystems, despite the low cell abundance of methane-oxidizing bacteria (MOB) and the low methane concentrations relative to the more abundant dissolved organic carbon (DOC).
Paula C J Reis +2 more
exaly +4 more sources
Methanogenesis and methanotrophy within a Sphagnum peatland [PDF]
FEMS Microbiology Ecology, 1995 Abstract Methane production and consumption activities were examined in a Massachusetts peatland. Peat from depths of 5–35 cm incubated under anaerobic conditions, produced an average of 2 nmol CH4 g−1 h−1 with highest rates for peat fractions between 25–30 cm depth. Extracted microbial nucleic acids showed the strongest relative hybridization with a
Lee R. Krumholz +3 more
exaly +3 more sources
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Anaerobic methanotrophy and the rise of atmospheric oxygen
Philosophical Transactions Series A, Mathematical, Physical, and Engineering Sciences, 2007In modern marine sediments, the anoxic decomposition of organic matter generates a significant flux of methane that is oxidized microbially with sulphate under the seafloor and never reaches the atmosphere. In contrast, prior to ca 2.4 Gyr ago, the ocean had little sulphate to support anaerobic oxidation of methane (
David C Catling, Mark Claire
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Life in the extreme: thermoacidophilic methanotrophy
Trends in Microbiology, 2008Aerobic methane-oxidizing bacteria (methanotrophs) have a key role in the global carbon cycle, converting methane to biomass and carbon dioxide. Although these bacteria have been isolated from many environments, until recently, it was not known if they survived, much less thrived in thermoacidic environments, that is, locations with pH values of ...
Semrau, Jeremy D. +2 more
openaire +3 more sources
Metabolic Aspects of Aerobic Obligate Methanotrophy⋆
Advances in Applied Microbiology, 2008Publisher Summary This chapter discusses the metabolic aspects of aerobic obligate methanotrophy. Aerobic methanotrophs are a unique group of gram-negative bacteria that use methane as carbon and energy source. Methanotrophs have been studied intensively over the past 40 years since these bacteria possess significant metabolic potential for practical
Trotsenko, Yuri A., Murrell, John Colin
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Bringing methanotrophy in rivers out of the shadows [PDF]
Limnology and Oceanography, 2017 AbstractMethane oxidation produces biomass that is a potential source of particulate carbon for consumers, and is in addition to photosynthetic production. We assessed methanotrophy and photosynthetic production under differing conditions of light and methane concentration.
Felicity Shelley +2 more
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Engineered Methanotrophy: A Sustainable Solution for Methane-Based Industrial Biomanufacturing
Trends in Biotechnology, 2021Methane is a promising feedstock with high abundance and low cost for the sustainable production of biochemicals and biofuels. Methanotrophic bacteria are particularly interesting platforms for methane bioconversion as they can utilize methane as a carbon substrate.
Anh Duc Nguyen, Eun Yeol Lee
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