ライフサイエンスコーパス: methanogenesis

1 nitiate anaerobic methane oxidation (reverse methanogenesis).

2 to a class of corrinoid proteins involved in methanogenesis).

3 BES (2-bromoethanesulfonate, an inhibitor of methanogenesis).

4 growth with formate as an electron donor for methanogenesis.

5 the sulfur-containing cofactors required for methanogenesis.

6 the H(+) and Na(+) gradients resulting from methanogenesis.

7 ouples exergonic and endergonic reactions of methanogenesis.

8 ents to further the state of knowledge about methanogenesis.

9 yl, a proposed MCR catalytic intermediate of methanogenesis.

10 previously unknown path of electron flow in methanogenesis.

11 ith the presence of genes for methylotrophic methanogenesis.

12 e, and decreased mRNA abundance for genes of methanogenesis.

13 is a hydride carrier cofactor functioning in methanogenesis.

14 hway for hydrogenotrophic and methylotrophic methanogenesis.

15 oth the mechanism of "reverse" and "forward" methanogenesis.

16 of methane, principally by hydrogenotrophic methanogenesis.

17 on-derived formate is used by M. smithii for methanogenesis.

18 methane oxidation and in the initial step of methanogenesis.

19 onic acid) as the terminal methyl carrier in methanogenesis.

20 me of the cofactors normally associated with methanogenesis.

21 onic acid) is the terminal methyl carrier in methanogenesis.

22 ogens, PHX genes include those essential for methanogenesis.

23 and resulted in lower and constant rates of methanogenesis.

24 impact on dechlorination, fermentation, and methanogenesis.

25 se (ArsM) or through the enzymes involved in methanogenesis.

26 biogeochemical processes of natural wetland methanogenesis.

27 tilled ethanol in beer, and hydrogenotrophic methanogenesis.

28 the same fluids, which may support anaerobic methanogenesis.

29 ral communities, including those involved in methanogenesis.

30 ure dechlorinating 1,2-DCP in the absence of methanogenesis.

31 ophic methanogens in absence of aceticlastic methanogenesis.

32 uent conversion into CH4 by hydrogenotrophic methanogenesis.

33 ed pathways included ribosome biogenesis and methanogenesis.

34 ing the genes necessary for hydrogenotrophic methanogenesis.

35 mphasizes the importance of the acetoclastic methanogenesis.

36 wed co-occurring sulfate reduction, AOM, and methanogenesis.

37 in turn may impact global carbon cycling and methanogenesis.

38 f environmental perturbations that modulated methanogenesis.

39 ce and number of functional genes related to methanogenesis.

40 ular carbon or a transcriptional response to methanogenesis.

41 d Fe(III), U(VI), and sulfate reduction, and methanogenesis.

42 quantitative biomarkers of hydrogenotrophic methanogenesis: a coenzyme F(420)-reducing hydrogenase (

43 ated LCFA degradation proceed uncoupled from methanogenesis, accumulation of saturated LCFA can be ex

44 med that two genes required for acetoclastic methanogenesis, ackA and pta, were horizontally transfer

45 eater methane production and nine times more methanogenesis activity in oxygenated soils.

46 of nitrate-reduction, sulfate-reduction, and methanogenesis along the injection water flow path.

47 ~280 days, respectively, before the onset of methanogenesis, although lag phases were shorter with n-

48 up as methane (CH4) through hydrogenotrophic methanogenesis, an outcome that is undesired.

49 ence for the involvement of MCR in "reverse" methanogenesis (anaerobic oxidation of methane), we beli

50 oenzyme M reductase, an enzyme essential for methanogenesis and a possible target for sulfite.

51 nthesis of coenzyme M, a crucial cofactor in methanogenesis and aliphatic alkene metabolism.

52 Methanogenesis and anaerobic methane oxidation are impor

53 yme M reductase, the rate-limiting enzyme in methanogenesis and anaerobic methane oxidation, is respo

54 nzyme M reductase (MCR) is the key enzyme of methanogenesis and anaerobic methane oxidation.

55 e enzymes are required for both aceticlastic methanogenesis and carboxidotrophic acetogenesis.

56 anscripts associated with nitrogen fixation, methanogenesis and dissimilatory sulfate reduction exhib

57 ocesses, including organohalide respiration, methanogenesis and H2 /CO2 reductive acetogenesis.

58 his metabolic activity, which contributes to methanogenesis and human disease, has been known for ove

59 frican Americans, whereas those encoding for methanogenesis and hydrogen sulfide production were high

60 diploptene delta(13)C values as tracers for methanogenesis and methanotrophy, respectively.

61 drawdowns short-circuit connections between methanogenesis and methanotrophy, thereby increasing net

62 ) and its analogs are coenzymes required for methanogenesis and methylotrophy in specialized microorg

63 ons within methanogenesis as well as between methanogenesis and other cellular functions.

64 archaea provides insights into the origin of methanogenesis and shows that the strategies employed by

65 rom deeper locations or the co-occurrence of methanogenesis and sulfate reduction.

66 termediate in the MCR-catalyzed last step in methanogenesis and the first proposed step in anaerobic

67 ng Archaea developed the capacity to reverse methanogenesis and thereby to consume methane to produce

68 ndleri shares the set of genes implicated in methanogenesis and, in part, its operon organization wit

69 reaction of dsrA (sulfate-reduction), mcrA (methanogenesis), and cat23 (oxygenation of aromatics) ge

70 o perform measurements of sulfate reduction, methanogenesis, and acetate oxidation with unprecedented

71 Changes in the kinetics of growth, methanogenesis, and methane gene transcription directed

72 sm of glycans, amino acids, and xenobiotics; methanogenesis; and 2-methyl-d-erythritol 4-phosphate pa

73 a and some bacteria and has crucial roles in methanogenesis, antibiotic biosynthesis, DNA repair, and

74 can be used, provided side reactions such as methanogenesis are avoided.

75 nding by proteins involved in methylotrophic methanogenesis are discussed.

76 we present evidence that these two steps in methanogenesis are physically linked.

77 reconcile the dominance of acetogenesis over methanogenesis as an H2 sink in termite hindguts, sugges

78 Previous studies propose methanogenesis as the main metabolism.

79 ethanogenic Archaea examined to date rely on methanogenesis as their sole means of energy conservatio

80 demonstrates regulatory affiliations within methanogenesis as well as between methanogenesis and oth

81 carrying out preferentially hydrogenotrophic methanogenesis, as suggested by analysis of methane isot

82 d in dimethylsulfide- and methanol-dependent methanogenesis, as well as in methionine synthase.

83 Temporal dynamics of CO2 production and methanogenesis at -2 degrees C showed evidence of fundam

84 timated H(2) threshold for hyperthermophilic methanogenesis at vents and highlight the need for coupl

85 o be specifically involved in methylotrophic methanogenesis, based on reduced growth and methanogenes

86 In this study, methanogenesis biomarkers for Methanospirillum hungatei

87 representing a range of processes--including methanogenesis, biosynthesis, transcription, translation

88 production is dominated by hydrogenotrophic methanogenesis but deep peat warming increased the delta

89 ial pressures, consistent with inhibition of methanogenesis by CO.

90 ts provide support for a hybrid mechanism of methanogenesis by MCR that includes both alkyl-Ni and ra

91 Methanogenesis by resting cells with pyruvate as the ele

92 re concurrent, any competitive inhibition of methanogenesis by sulfate-reducing bacteria may be lesse

93 We demonstrate that the optimum pH for methanogenesis by this organism is lower than that of an

94 ductase (MCR) catalyzes the terminal step in methanogenesis by using N-7-mercaptoheptanolyl-threonine

95 oil biogeochemical models, is that microbial methanogenesis can only occur in anoxic habitats.

96 formate (two alternative electron donors for methanogenesis) can donate electrons to the heterodisulf

97 oenzyme M reductase (MCR), the key enzyme in methanogenesis, catalyzes methane formation from methyl-

98 ments where microbial sulphate reduction and methanogenesis converged.

99 Because methanogenesis developed before the oxygenation of Earth

100 lenetetrahydromethanopterin dehydrogenase, a methanogenesis enzyme, and sulfite reductase, a detoxifi

101 ample, a full complement of hydrogenases and methanogenesis enzymes was identified, including eight s

102 4) confirmed expression of many M. hungatei methanogenesis enzymes.

103 roducing a 100 day lag time for acetoclastic methanogenesis for oleate and EVO microcosms, the model

104 hic fixation of carbon and in the process of methanogenesis from acetate, and takes place at a unique

105 tron acceptors prevent sulfate reduction and methanogenesis from being energetically favorable.

106 420 (F420H2) is an essential intermediate in methanogenesis from CO2.

107 lated by MtbA to methylate coenzyme M during methanogenesis from dimethylamine.

108 Methanogenesis from dimethylsulfide requires the interme

109 protein functions as a CoM methylase during methanogenesis from DMS or MMPA.

110 electron donor, we isolate electron flow for methanogenesis from flux through Eha.

111 Indeed, H(2) via Eha stimulates methanogenesis from formate when intermediates are not o

112 During methanogenesis from H2 and CO2, F420H2 is provided by th

113 e in vivo roles of these genes in growth and methanogenesis from known substrates, we constructed and

114 Cell suspension experiments showed that methanogenesis from methanol or from H(2)/CO(2) is block

115 itiation factors, amino acid metabolism, and methanogenesis from methanol, which was offset by a comp

116 Methanogenesis from methylamines requires the intermedia

117 Methanosarcina spp. begin methanogenesis from methylamines with methyltransferases

118 Methanogenesis from methylamines, probably stemming from

119 id:Coenzyme M methyltransferase specific for methanogenesis from methylamines.

120 Coenzyme M (CoM) is methylated during methanogenesis from monomethyamine in a reaction catalyz

121 that MMCP is the major corrinoid protein for methanogenesis from monomethylamine detectable in extrac

122 n Archaea, three methyltransferases initiate methanogenesis from the various methylamines, and these

123 The methyltransferases initiating methanogenesis from trimethylamine, dimethylamine and mo

124 s encoding the methyltransferases initiating methanogenesis from trimethylamine, dimethylamine, or mo

125 Methanogenesis generally exhibited a lag phase in the mi

126 In methanogenic Archaea, the final step of methanogenesis generates methane and a heterodisulfide o

127 Changes in growth rate, methanogenesis, growth yield (Y(CH4)), and methane gene

128 mercaptoethanesulfonate (coenzyme M) during methanogenesis have also been shown to contain histidine

129 We report here a test of the "reverse-methanogenesis" hypothesis by genomic analyses of methan

130 Eha does not function stoichiometrically for methanogenesis, implying that electron bifurcation must

131 redictive model of global gene regulation of methanogenesis in a hydrogenotrophic methanogen, Methano

132 ons to estimate anaerobic CO2 production and methanogenesis in active layer (organic and mineral soil

133 ent system were used to evaluate the role of methanogenesis in arsenic volatilization using methanoge

134 t still remain unanswered about aceticlastic methanogenesis in both Methanosaeta and Methanosarcina.

135 Fuel ethanol releases can stimulate methanogenesis in impacted aquifers, which could pose an

136 threshold measurements for hyperthermophilic methanogenesis in low-temperature hydrothermal fluids fr

137 nnot catalyze the first step of acetoclastic methanogenesis in M. acetivorans.

138 methyltransferase enzyme MT2-A important for methanogenesis in Methanosarcina barkeri growing on meth

139 80% of methane fluxes could be attributed to methanogenesis in oxygenated soils.

140 from rice roots provide ideal conditions for methanogenesis in paddies with annual methane emissions

141 No data exist for rates of methanogenesis in sub-Antarctic marine sediments.

142 o omics data for dominant processes, such as methanogenesis in the bog, as well as novel survival str

143 n methylamine cycling, ultimately supporting methanogenesis in the deep biosphere.

144 by acetylene of reductive dechlorination and methanogenesis in the enrichment culture ANAS was observ

145 anol-blended fuel releases usually stimulate methanogenesis in the subsurface, which could pose an ex

146 reductase (MCR) catalyzes the final step of methanogenesis in which coenzyme B and methyl-coenzyme M

147 the critical methane-producing step (called methanogenesis) in the anaerobic decomposition of organi

148 es encoding coenzyme F420-dependent steps of methanogenesis, including one of two formate dehydrogena

149 Under conditions of excess H2, biomass and methanogenesis increased exponentially and in parallel,

150 Thus, methylotrophy and methanogenesis involve common genes that cross the bacte

151 Methanogenesis is an ancient metabolism that originated

152 Importantly, the minimum in methanogenesis is associated with a maximum in methanotr

153 methanol into the methylotrophic pathway of methanogenesis is mediated by the concerted effort of tw

154 A conceptual physical model of methanogenesis is proposed based on the evolution of the

155 Like most other forms of metabolism, methanogenesis is temperature-dependent.

156 Methanogenesis is the terminal step in the remineralizat

157 The close coupling between precipitation and methanogenesis is validated by climate simulations, whic

158 s to catalyze the first step of aceticlastic methanogenesis, it has long been assumed that the remain

159 se B(12) extensively as a methyl carrier for methanogenesis, little is known about B(12) metabolism i

160 oils, and iron-reduction-mediated effects on methanogenesis may be controlled by alpha- and beta-dive

161 Methanogenesis may have evolved during or before the Arc

162 e presence of novel metabolic pathways (e.g. methanogenesis, methylaspartate cycle) and the use of eu

163 A minimum in inferred methanogenesis occurred during the mid-Holocene, which,

164 DIET might be the important mechanism on the methanogenesis of bioelectrochemical system, but also pr

165 indicated the insufficient representation of methanogenesis on the basis of Q10 values estimated from

166 ble isotopes for identifying and quantifying methanogenesis on the early planet.

167 twins and their mothers than components for methanogenesis or sulfate reduction and subsequently ana

168 of F420, an important hydride carrier in the methanogenesis pathway from H2 and CO2.

169 rated a similar abundance of methanogens and methanogenesis pathway genes in high and low methane emi

170 However, transcription of methanogenesis pathway genes was substantially increased

171 oduction from this organism was the dominant methanogenesis pathway in oxygenated soils.

172 fy a discrete set of rumen methanogens whose methanogenesis pathway transcription profiles correlate

173 of formate dehydrogenase-a key enzyme in the methanogenesis pathway.

174 hod was developed and applied for monitoring methanogenesis pathways based on isotope labeled substra

175 antification of the relative contribution of methanogenesis pathways to methane production with a tim

176 ntent in the seeds and stems, and suppressed methanogenesis, possibly through a reduction in root exu

177 We show that methanogenesis proceeding at relatively high rates in ca

178 g proteins identified included components of methanogenesis, protein-modifying factors, and leucyl-tR

179 Identifying the key intermediate in methanogenesis provides fundamental insights to develop

180 nces in fuel-associated sulfate reduction or methanogenesis rates between ULSD, LSD, and HSD.

181 methanogenesis, based on reduced growth and methanogenesis rates of an hdrA1C1B1 mutant on methylotr

182 steps, ammonification, sulfate respiration, methanogenesis, reductive acetogenesis and anoxygenic ph

183 ion of crack-filling microspar was driven by methanogenesis-related alkalinity accumulation.

184 from hydrogenotrophic to partly acetoclastic methanogenesis, resulting in a large shift in the delta(

185 cetate oxidation coupled to hydrogenotrophic methanogenesis (SAO-HM) played an important role in the

186 e PMEZ samples with (13) C-labeled potential methanogenesis substrates found only (13) C-methylphosph

187 GRIN model have revealed novel components of methanogenesis that included at least three additional p

188 in the growth rate and the onset of constant methanogenesis that occurred when culture densities reac

189 at TCP is uniquely involved in TMA-dependent methanogenesis, that this corrinoid protein is methylate

190 Methanogenesis, the biological production of methane, pl

191 ria in a variety of biochemical reactions in methanogenesis, the formation of secondary metabolites,

192 g an increasing contribution of acetoclastic methanogenesis to total CH4 production with warming.

193 otosynthesis splits water into O2 and H, and methanogenesis transfers the H into CH4.

194 Microbial methanogenesis was indicated by the isotopic composition

195 icrocosms, indicating that acetate-utilizing methanogenesis was slower in the oleate and EVO than eth

196 pathways, while in disease; fermentation and methanogenesis were predominant energy transfer mechanis

197 tron bifurcation provide a complete model of methanogenesis where all necessary electron inputs are a

198 centrations up to 1 mg/L, MON inhibited only methanogenesis, whereas SAL did not impact any of the bi

199 d of undiscovered natural energy sources for methanogenesis, whereas the presence of single-subunit c

200 ancestral metabolism for archaebacteria and methanogenesis (which somehow then derives from it).

201 l temperatures may have reduced the rates of methanogenesis while elevating those of CH4 oxidation, t

202 orial scheme to intercoordinate key steps of methanogenesis with different processes such as motility

203 reduction of Fe(III), U(VI) and sulfate, and methanogenesis with growth and decay of multiple functio

204 ngs challenge a widely held assumption about methanogenesis, with significant ramifications for globa

205 determined predominance of methanotrophy or methanogenesis, with soil temperature regulating the eco

206 lates, increased steadily after the onset of methanogenesis, with the 5:3 fluorotelomer carboxylate b

207 gh other researchers have invoked widespread methanogenesis within the sediments.