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8 results for “methanogenesis”
Higher temperatures exacerbate effects of antibiotics on methanogenesis in freshwater sediment
<p>This dataset features data and code of the associated publication in Communications Earth & Environment (<a href="https://doi.org/10.1038/s43247-024-01828-3" target="_blank" rel="noopener">https://doi.org/10.1038/s43247-024-01828-3</a>). To reproducibly run the code you should download the entire <code>.zip</code> archive and open the <code>*.RProj</code> file ideally with the same R version (<code>4.3.1</code>). To achieve maximum reproducibility of the code you should run <code>renv::restore()</code> to restore the packages recorded in <code>renv.lock</code>. Scripts within the folder <code>code</code> are named in the order in which they should be run. Note that running the Bayesian models requires a C++ toolchain. A web search of "RStan Getting Started" will yield up to date information about how to install this on your device. The models ran for the publication are provided as <code>.rds</code> file in case you don't want to run it yourself. Some figures required post-export editing in the paid program "Affinity photo". The edited and unedited versions are included in this repository to allow for comparisons. Also the <code>.afphoto</code> files are included for users that own a license.</p>
Combined data file for Jilbert et al. "Anthropogenic Inputs of Terrestrial Organic Matter Influence Carbon Loading and Methanogenesis in Coastal Baltic Sea Sediments", Frontiers in Earth Science 9, 2021
<p>The datafile contains all the new raw data presented in the figures in the publication.</p>
DATA for: Asgard archaea modulate potential methanogenesis substrates in wetland soil
<p>Data supporting the findings of this study, including the complete genomes of soil-associated Atabeyarchaeia and Freyarchaeia and their in situ metabolic profiles, are available.</p> <p><strong>Asgard archaea modulate potential methanogenesis substrates in wetland soil</strong></p> <p>Luis E. Valentin-Alvarado<sup>1,2,</sup><sup>†</sup>, Kathryn E. Appler<sup>3,</sup><sup>†</sup>, Valerie De Anda<sup>3,4</sup>, Marie C. Schoelmerich<sup>1,</sup><sup>‡</sup>, Jacob<sup> </sup>West-Roberts<sup>5</sup>, Veronika Kivenson<sup>9</sup>, Alexander Crits-Christoph<sup>1,2,</sup><sup>§</sup>, Lynn Ly<sup>6</sup>, Rohan Sachdeva<sup>1</sup>, David F. Savage<sup>1,7</sup>, Brett J. Baker<sup>3,4</sup>, and Jillian F. Banfield<sup>1,4,8,9,</sup>*</p>
Suppression of Methanogenesis by Microbial Reduction of Iron-Organic Carbon Associations in Fully Thawed Permafrost Soil
<p>This data set contains data associated with the manuscript "Suppression of Methanogenesis by Microbial Reduction of Iron-Organic Carbon Associations in Fully Thawed Permafrost Soil". Currently under review.</p>
Observed and predicted variables of in vitro methanogenesis
<p>This data sets shows the dynamics of <em>in vitro </em>methanogenesis by three gut archaea: <em>Methanobrevibacter smithii</em>, <em>Methanobrevibacter ruminantium</em> and <em>Methanobacterium formicium</em>. Experimental data are compared against variables predicted by a kinetic model.</p>
Data from: Spartina alterniflora invasion drastically increases methane production potential by shifting methanogenesis from hydrogenotrophic to methylotrophic pathway in a coastal marsh
1. Plant invasion can strongly influence carbon (C) cycling processes, thus it may affect climate change by altering C sequestration and greenhouse gas emissions in the invaded ecosystem. Since 1979, the exotic Spartina alterniflora has rapidly expanded in China's coastal areas, where significant increase in methane (CH4) emissions has been documented from post-invaded sites. However, a mechanistic understanding of the structural and functional changes of associated methanogens accompanying this invasion remains elusive. 2. Here we conducted integrated biogeochemical investigations on methanogenic substrates, activity, and diversity to identify implications of S. alterniflora invasion for methanogenesis in coastal wetlands. To do this, we collected and analyzed 0–50 cm soil profiles from an uncolonized tidal flat (TF) and salt marshes that S. alterniflora has invaded for 1 year (SA-1) and 12 years (SA-12) in Jiangsu, China. Methanogenic community composition was characterized by massive parallel sequencing. The rates and pathways of methanogenesis were determined by adding trace concentrations of 13C-labeled substrates to anaerobic incubated samples. 3. Our results revealed that 12-year invasion of S. alterniflora drastically increased CH4 production potential by one order of magnitude over that of TF. This substantial increase was primarily attributed to methanogenesis from trimethylamine; its rates increased by two orders of magnitude over TF whereas those from acetate and H2/CO2 increased far less. Hydrogenotrophic methanogenesis was the dominant pathway operating in the TF, but methanotrophic pathway contributed most to CH4 production in the surface layer of SA-1 and upper-most 40-cm layers of SA-12. Consistent with these observations, the dominant methanogens shifted from obligate hydrogenotrophic Methanococcales in TF to potential methylamine-utilizing Methanosarcinaceae in SA-12. Our Mantel analysis indicated that 'non-competitive' trimethylamine, derived from cytoplasmic osmolytes of S. alterniflora, was the major driver of this change in methanogenic community composition. 4. Synthesis. Our results suggest that invasive S. alterniflora plants gradually facilitated the local dominance of methylotrophic Methanosarcinaceae by changing the key type of methanogenic substrate in coastal marshes. Shifts in methanogen communities and enhanced availability of trimethylamine elevated the rates and importance of methylotrophic methanogenesis, thereby markedly increasing CH4 production potential and emission rates in this type of ecosystem.
Effect of Lubiprostone on Methanogenesis and Bowel Function in Chronic Constipation.
ClinicalTrials.gov study NCT01190020. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Data from: Spartina alterniflora invasion drastically increases methane production potential by shifting methanogenesis from hydrogenotrophic to methylotrophic pathway in a coastal marsh
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OpenNeuro
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