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1 oncentrations are higher, and conditions are methanogenic.
2 ere strongest for two performance variables--methanogenic activity and substrate removal efficiency--
4 r model with data from environments in which methanogenic activity is energy-limited, we provide pred
6 Vapor intrusion would also be exacerbated if methanogenic activity results in sufficiently high press
7 atio higher than 0.6 and (b) a cell-specific methanogenic activity to cell-specific fermentation acti
9 relative importance of small areas of strong methanogenic activity, vs. larger areas with net CH4 upt
12 trial and agricultural wastewater, including methanogenic anaerobic digestion, biological hydrogen pr
13 haeota are uniquely capable of mediating non-methanogenic anaerobic methylotrophy, via the tetrahydro
15 embled genomes (MAGs) belonging to potential methanogenic, anaerobic methanotrophic and short-chain a
16 ne a common core of marker genes specific to methanogenic, anaerobic methanotrophic and short-chain a
18 reductase (MCR), found in strictly anaerobic methanogenic and methanotrophic archaea, catalyzes the r
21 ent enzymes, which are otherwise specific to methanogenic and sulfate-reducing archaea and which have
23 ed that DDE is dechlorinated to DDMU in both methanogenic and sulfidogenic microcosms and that DDD is
24 lized organotrophic Bacteria 'syntrophs' and methanogenic Archaea 'methanogens' form a unique metabol
27 g of pabB, and three genes conserved between methanogenic Archaea and Bacteria possessing H(4)MPT-lin
29 eled precursors into the cofactor in growing methanogenic archaea and by subsequent NMR, matrix-assis
30 es the final step in methane biosynthesis by methanogenic archaea and contains a redox-active nickel
31 ss this question, we prepared SerRS from two methanogenic archaea and measured the enzymatic properti
33 liquescence alone is sufficient to rehydrate methanogenic archaea and to reactivate their metabolism
34 tetrahydromethanopterin reductase (MER) from methanogenic archaea and with several hypothetical prote
39 dy, electron flow and energy conservation in methanogenic Archaea are still not thoroughly understood
41 , 3-NOP is demonstrated to inhibit growth of methanogenic archaea at concentrations that do not affec
43 ylTSBCD gene order is maintained not only in methanogenic Archaea but also in a distantly related Gra
44 een transformed with the pylTSBCD genes from methanogenic Archaea can incorporate endogenously biosyn
45 ed key populations of SUP05, Aquificales and methanogenic archaea carrying out important transformati
49 ajor source of global methane emissions, and methanogenic archaea could be detected in all spatial co
54 1.2 MDa F420-reducing hydrogenase (Frh) from methanogenic archaea from only 320,000 asymmetric units.
55 gh many of the steps for CoM biosynthesis in methanogenic archaea have been elucidated, a complete pa
58 gnificantly higher numbers of H(2)-utilizing methanogenic Archaea in obese individuals than in normal
59 th relatively high numbers of H(2)-utilizing methanogenic Archaea in the gastrointestinal tract of ob
62 oteins of as-yet unassigned functions in the methanogenic archaea Methanobacterium thermoautotrophicu
64 extracellular cell wall sheaths encasing the methanogenic archaea Methanosaeta thermophila PT are fun
65 ing cyanobacterium Synechocystis PCC6803 and methanogenic archaea Methanosarcina barkeri with the red
66 the microbiome and that a specific group of methanogenic archaea of the order Methanomicrobiales is
70 reenhouse gas methane, which is generated by methanogenic archaea residing in ruminant digestive trac
72 se (ACDS) complex plays an important role in methanogenic Archaea that convert acetate to methane, by
74 chanism that is utilized by hydrogenotrophic methanogenic Archaea to generate low-potential electrons
80 5% of that of Escherichia coli, likely since methanogenic archaea utilize F420 and ferredoxins instea
81 dominant Hg-methylators while Firmicutes and methanogenic Archaea were typically ~50% less abundant.
82 id), a compound previously found only in the methanogenic Archaea where it serves as a methyl group c
83 letion of 13C (a biogeochemical signature of methanogenic Archaea) in 2,700 Myr old kerogens independ
84 erating metabolism are characteristic of the methanogenic Archaea, and the results show that their re
85 mentative bacteria, syntrophic bacteria, and methanogenic archaea, and their interspecies symbioses a
86 p in the biological production of methane by methanogenic archaea, as well as the first step in the a
87 ecursor to the modified folates found in the methanogenic archaea, has been elucidated for the first
88 ctive enrichment of specific taxa, including methanogenic archaea, in their rhizosphere that differ f
89 nd CO2, catalyzed by syntrophic bacteria and methanogenic archaea, is thought to be one of the domina
90 ramA homologs were identified in genomes of methanogenic Archaea, often encoded near methyltrophic m
91 have been identified in the genomes of known methanogenic archaea, suggesting that bacteria and archa
92 late analog involved in the C1 metabolism of methanogenic archaea, sulfate-reducing archaea, and meth
96 ol ratio, an indicator of contributions from methanogenic archaea, together with the BIT and TEX86 pr
114 ne produced via metabolic activity for three methanogenic archaea: Methanosarcina mazei, M. barkeri a
115 tructure of a distinct class of Ni-CODH from methanogenic archaea: the alpha(2)epsilon(2) component f
121 viously associated with the cobY gene of the methanogenic archaeon Methanobacterium thermoautotrophic
122 the same holds true for the c ring from the methanogenic archaeon Methanobrevibacter ruminantium, wh
124 ow that ORF MJ1117 of the hyperthermophilic, methanogenic archaeon Methanocaldococcus jannaschii enco
126 ation of a DNA primase from the thermophilic methanogenic archaeon Methanococcus jannaschii (Mjpri).
127 of nitrogen fixation, or switch-off, in the methanogenic archaeon Methanococcus maripaludis does not
129 lation of nitrogenase, or switch-off, in the methanogenic archaeon Methanococcus maripaludis requires
130 nts were generated for the hydrogenotrophic, methanogenic archaeon Methanococcus maripaludis S2 using
137 ile genetic manipulation of the slow-growing methanogenic archaeon Methanosarcina acetivorans Introdu
138 ctrometric characterization of McrA from the methanogenic archaeon Methanosarcina acetivorans lacking
140 formatics study, the protein MA4561 from the methanogenic archaeon Methanosarcina acetivorans was ori
147 structures of phosphotransacetylase from the methanogenic archaeon Methanosarcina thermophila in comp
148 s identified, cloned, and sequenced from the methanogenic archaeon Methanosarcina thermophila TM-1.
151 nosarcina acetivorans strain C2A is a marine methanogenic archaeon notable for its substrate utilizat
152 ypertheromphilic, strictly hydrogenotrophic, methanogenic archaeon of ancient lineage isolated from a
157 thod for in vivo transposon mutagenesis of a methanogenic archaeon, Methanosarcina acetivorans C2A, w
158 ddition of ferrihydrite to the cultures of a methanogenic archaeon, Methanosarcina barkeri (M. barker
162 s time; re-growth and associated recovery of methanogenic benzene degradation took almost 1 year.
166 e known range of hydrocarbons susceptible to methanogenic biodegradation in petroleum-impacted anaero
168 erized the microbial communities involved in methanogenic biodegradation of whole naphtha (a bitumen
169 rm of methane, based on accelerating natural methanogenic biodegradation, may offer a route to econom
174 echanism accounts for 10-90% of the measured methanogenic biotransformation, suggesting that other ac
182 odiester bond in coenzyme F(420), one of the methanogenic coenzymes, has been established in the meth
184 however, little is known about whether these methanogenic communities are distinct from those in the
185 hese results demonstrate that hydrogen-based methanogenic communities do occur in Earth's subsurface,
186 ipher structure-function relationships among methanogenic communities in four laboratory-scale digest
189 -associated populations, this study enriched methanogenic communities with propionate, butyrate, benz
190 xperimentally tested these predictions using methanogenic communities, for which efficient resource u
194 rium with NH4(+), is a toxic compound to the methanogenic community, which limits the organic loading
196 that crude-oil hydrocarbon degradation under methanogenic conditions in the laboratory mimics the cha
197 ; genomic inference and mcr expression under methanogenic conditions strongly suggested that this lin
198 e biologically active reactors simulated the methanogenic conditions that develop in all landfills, p
206 r this purpose we characterized an anaerobic methanogenic culture enriched with MTBE as the sole carb
207 e to benzene with a second benzene-degrading methanogenic culture would completely detoxify chloroben
208 MX was observed in both sulfate-reducing and methanogenic cultures, whereas nitrate-reducing cultures
211 teria and Archaea play a pivotal role during methanogenic degradation of organic matter in natural an
212 inoculated with an enriched hydrogenotrophic methanogenic (EHM) culture, developed from the MM cultur
214 ulfovibrio to adapt to naturally fluctuating methanogenic environments, we studied Desulfovibrio alas
217 H(2))-dependent changes in the levels of two methanogenic enzymes (MTD and HMDX) were as expected, an
218 ce of massive Siberian volcanism, enabling a methanogenic expansion by removal of nickel limitation.
219 y have been strictly anaerobic and typically methanogenic for much of their history, this may not hol
221 CR) assays were designed to target all known methanogenic genera within the archaeal phylum Euryarcha
223 enzyme A synthetase) and ADP-Acs, the extant methanogenic genus Methanosarcina is the only identified
224 aerobic mixed microbial culture occurring in methanogenic granular sludge was able to biocatalyze the
225 olids requires rapid hydrolysis and enhanced methanogenic growth rates, which can be achieved through
226 elevated hydrogen levels (thereby enhancing methanogenic growth) and use of formate as the main elec
227 nmental niches for Hg methylation, including methanogenic habitats such as rice paddies, the animal g
232 hat degrade organic matter at the surface to methanogenic, low-energy adapted taxa in deeper zones.
233 of tRNA from the Methanococci, a lineage of methanogenic marine euryarchaea that grow over an unusua
234 ate kinases (ADKs) from four closely related methanogenic members of the Archaea (the mesophile Metha
235 (adkA) were cloned from four closely related methanogenic members of the Archaea: the mesophile Metha
238 e bottom 3% of GISP2, most likely because of methanogenic metabolism in the underlying silty ice, fol
239 of their low productivity, the evolution of methanogenic metabolisms strongly modifies the atmospher
240 hree-component system with similarity to the methanogenic methanol, methylamine, and methanethiol met
242 urrent understanding of the substrate use of methanogenic microbes is limited, especially regarding t
244 l), which reduces the probability of current methanogenic microbial activity on Mars and limits the r
245 ividual droplet microbiomes revealed complex methanogenic microbial communities actively degrading th
246 igate mutualism between sulfate-reducing and methanogenic microorganisms that have no known history o
248 , we show that reductive dechlorination by a methanogenic, mixed culture was significantly inhibited
249 tion of a biocathode inoculated with a mixed methanogenic (MM) culture to a biocathode inoculated wit
250 l group which is peripherally related to the methanogenic orders Methanomicrobiales and Methanosarcin
251 bon source driving CO(2) increase was likely methanogenic, organic, or mixed for the PETM and organic
252 ulfur methyltransferases from acetogenic and methanogenic organisms, benzimidazole is dissociated fro
256 e capacity to adapt to the metabolism of its methanogenic partners, as shown by its differing gene ex
257 y and syntrophic conditions with alternative methanogenic partners, Methanococcus maripaludis and Met
258 results present the first quantification of methanogenic pathway (fmc values) dynamics for a continu
259 for electron bifurcation, which renders the methanogenic pathway cyclic, and as such requires the re
260 RNA levels for genes encoding enzymes of the methanogenic pathway that reduce or oxidize the electron
261 had lower CH4 emissions, a different primary methanogenic pathway, and greater CH4 oxidation than did
263 with methanol involves a previously unknown methanogenic pathway, in which oxidation of acetate to a
265 thylotrophic methanogenesis was the dominant methanogenic pathway; this conclusion was further suppor
266 -based calculations to quantify the specific methanogenic pathways in a two-stage experimental biogas
273 ewers, we demonstrate in this study that the methanogenic potential can be estimated using known sewe
274 oped the first data-driven method to analyze methanogenic potentials using a data set containing 633
276 iments, to identify which carbon sources and methanogenic production pathways fuel methanogenesis and
279 d two geochemically divergent but putatively methanogenic regions of Yellowstone National Park to inv
280 ferrous iron indicate iron reduction in the methanogenic sediments below the newly established sulfa
282 aluated by batch experiments using anaerobic methanogenic sludge and based on mass balance analysis o
283 ometer-size magnetite (Fe3O4) particles to a methanogenic sludge enhanced (up to 33%) the methane pro
285 nsformation mechanisms of 20 OMPs during the methanogenic step of AD with a focus on the role of acet
286 ng biochemical evidence indicating that each methanogenic substrate has specific methyltransfer enzym
294 ar tools to simultaneously quantify numerous methanogenic taxa, however, has largely limited our abil
295 potential, AGS was successfully shifted from methanogenic to exoelectrogenic conditions, as indicated
296 shift the microbial composition of AGS from methanogenic to exoelectrogenic microbes, including vary
297 nd track microbial activities related to the methanogenic turnover of recalcitrant carbon in the subs
299 heets overlie extensive, biologically active methanogenic wetlands and that high rates of methane exp