Microbial ecology of methanogens and methanotrophs

R Conrad - Advances in agronomy, 2007 - Elsevier
Rice agriculture feeds about a third of the world's population. However, rice fields are also
an important source in the global budget of the greenhouse gas methane. The emission of …

Adaptations to energy stress dictate the ecology and evolution of the Archaea

DL Valentine - Nature Reviews Microbiology, 2007 - nature.com
The three domains of life on Earth include the two prokaryotic groups, Archaea and Bacteria.
The Archaea are distinguished from Bacteriabased on phylogenetic and biochemical …

Cell proliferation at 122°C and isotopically heavy CH4 production by a hyperthermophilic methanogen under high-pressure cultivation

K Takai, K Nakamura, T Toki… - Proceedings of the …, 2008 - National Acad Sciences
We have developed a technique for cultivation of chemolithoautotrophs under high
hydrostatic pressures that is successfully applicable to various types of deep-sea …

Co-existence of methanogenesis and sulfate reduction with common substrates in sulfate-rich estuarine sediments

M Sela-Adler, Z Ronen, B Herut, G Antler… - Frontiers in …, 2017 - frontiersin.org
The competition between sulfate reducing bacteria and methanogens over common
substrates has been proposed as a critical control for methane production. In this study, we …

Distinguishing and understanding thermogenic and biogenic sources of methane using multiply substituted isotopologues

DA Stolper, AM Martini, M Clog, PM Douglas… - … et Cosmochimica Acta, 2015 - Elsevier
Sources of methane to sedimentary environments are commonly identified and quantified
using the stable isotopic compositions of methane. The methane “clumped-isotope …

Methane clumped isotopes: Progress and potential for a new isotopic tracer

PMJ Douglas, DA Stolper, JM Eiler, AL Sessions… - Organic …, 2017 - Elsevier
The isotopic composition of methane is of longstanding geochemical interest, with important
implications for understanding petroleum systems, atmospheric greenhouse gas …

Exogenous addition of H2 for an in situ biogas upgrading through biological reduction of carbon dioxide into methane

DG Mulat, F Mosbæk, AJ Ward, D Polag, M Greule… - Waste Management, 2017 - Elsevier
Biological reduction of CO 2 into CH 4 by exogenous addition of H 2 is a promising
technology for upgrading biogas into higher CH 4 content. The aim of this work was to study …

Methane production and bubble emissions from arctic lakes: Isotopic implications for source pathways and ages

KM Walter, JP Chanton, FS Chapin Iii… - Journal of …, 2008 - Wiley Online Library
This study reports an atmospheric methane (CH4) source term previously uncharacterized
regarding strength and isotopic composition. Methane emissions from 14 Siberian lakes and …

[图书][B] Environmental isotopes in biodegradation and bioremediation

CM Aelion, P Höhener, D Hunkeler, R Aravena - 2009 - taylorfrancis.com
Enhanced analytical capabilities and separation techniques, improved detection limits, and
accessibility of instrumentation have led to massive strides in the use of isotopes to assess …

Reduced isotope fractionation by denitrification under conditions relevant to the ocean

K Kritee, DM Sigman, J Granger, BB Ward… - … et Cosmochimica Acta, 2012 - Elsevier
Experiments with two well-studied denitrifiers and one recently isolated marine suboxic zone
denitrifier show that the cellular-level denitrification N isotope effect (15ε) is typically lower …