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52 results for “Microbial control”
Litter and root traits control soil microbial composition and enzyme activities in 28 common subtropical tree species
<p><span>1. </span><span>Plant trait-based approaches are frequently used to explore the linkages between aboveground plant communities and belowground ecosystem functions. However, the role of plant leaf litter and living root traits in driving soil microbial biomass, community composition, and enzyme activities has rarely been explored.</span></p> <p><span>2. </span><span>Here, we measured the soil microbial biomass, community composition and enzyme activities related to carbon (C), nitrogen (N), and phosphorus (P) acquisition under three-year-old monocultures of 28 common subtropical tree species in China.</span></p> <p><span>3. </span><span>We found that plant leaf litter and absorptive root traits, including leaf litter C content, litter water holding capacity, and root N content, were the three best predictors for soil microbial biomass and enzyme activities. In particular, resource-exploitative tree species with higher root N contents were associated with microbial communities with lower fungi to bacteria ratios and lower C- and P-acquisition enzyme activities. Tree species with higher leaf litter water holding capacity were associated with microbial resource acquisition strategies for C and P acquisition.</span></p> <p><span>4. </span><span>Synthesis: Our findings highlighted that plant leaf litter and root traits are important for mechanistically understanding the ecological linkage between the plant community and ecosystem functions.</span></p>
Jeanbille_et_al_2024_Exclusion_experiment_ANALYSIS: code and data for "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly"
<p>Release of code and data associated with the publication "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly".</p>
Jeanbille_et_al_2024_Exclusion_experiment_ANALYSIS: code and data for "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly"
<p>Release of code and data associated with the publication "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly".</p>
Jeanbille_et_al_2024_Exclusion_experiment_ANALYSIS: code and data for "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly"
<p>Release of code and data associated with the publication "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly".</p>
Jeanbille_et_al_2024_Exclusion_experiment_ANALYSIS: code and data for "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly"
<p>Release of code and data associated with the publication "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly".</p>
Temperature Controls the Relation between Soil Organic Carbon and Microbial Carbon Use Efficiency
<p>This is the dataset for the manuscript entitled "Temperature controls the relation between soil organic carbon and microbial carbon use efficiency".</p>
Fecal Microbial Transplantation in Treatment of Irritable Bowel Syndrome; a Double Blinded Placebo Controlled Trial.
ClinicalTrials.gov study NCT02154867. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Oxygen-Ozone as Adjuvant Treatment in Early Control of COVID-19 Progression and Modulation of the Gut Microbial Flora
ClinicalTrials.gov study NCT04366089. IPD Sharing: NO. Countries: 1. Publications: 3.
Metabolomic and Gut Microbial Biomarkers of Smoking Cessation Treatment in Long-term Drug Therapy: a Randomized Controlled Trial
ClinicalTrials.gov study NCT06803706. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Litter and root traits control soil microbial composition and enzyme activities in 28 common subtropical tree species
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Data from: Microbial consortia controlling biogenic gas formation in the Qaidam Basin of western China
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Formicine ants swallow their highly acidic poison for gut microbial selection and control
<p>Animals continuously encounter microorganisms that are essential for health or cause disease. They are thus challenged to control harmful microbes while allowing acquisition of beneficial microbes. This challenge is likely especially important for social insects with respect to microbes in food, as they often store food and exchange food among colony members. Here we show that formicine ants actively swallow their antimicrobial, highly acidic poison gland secretion. The ensuing acidic environment in the stomach, the crop, can limit the establishment of pathogenic and opportunistic microbes ingested with food and improve survival of ants when faced with pathogen contaminated food. At the same time, crop acidity selectively allows acquisition and colonization by Acetobacteraceae, known bacterial gut associates of formicine ants. This suggests that swallowing of the poison in formicine ants acts as a microbial filter and that antimicrobials have a potentially widespread but so far underappreciated dual role in host-microbe interactions.</p>
Unrecognized controls on microbial functioning in Blue Carbon ecosystems: the role of mineral enzyme stabilization and allochthonous substrate supply
Tidal wetlands are effective carbon sinks, mitigating climate change through the long-term removal of atmospheric CO2. Studies along surface-elevation and thus flooding-frequency gradients in tidal wetlands are often used to understand the effects of accelerated sea-level rise on carbon sequestration, a process that is primarily determined by the balance of primary production and microbial decomposition. It has often been hypothesized that rates of microbial decomposition would increase with elevation and associated increases in soil oxygen availability; however, previous studies yield a wide range of outcomes and equivocal results. Our mechanistic understanding of the elevation-decomposition relationship is limited because most effort has been devoted to understanding the terminal steps of the decomposition process. Few studies assessed microbial exo-enzyme activities (EEAs) as initial and rate-limiting steps that often reveal important insight into microbial energy and nutrient constraints. The present study assessed EEAs and microbial abundance along a coastal ecotone stretching a flooding gradient from tidal flat to high marsh in the European Wadden Sea. We found that stabilization of exo-enzymes to mineral sediments leads to high specific EEAs at low substrate concentrations in frequently flooded, sediment rich zones of the studied ecotone. We argue that the high background activity of a mineral-associated enzyme pool provides a stable decomposition matrix in highly dynamic, frequently flooded zones. Furthermore, we demonstrate that microbial communities are less nutrient limited in frequently flooded zones, where inputs of nutrient-rich marine organic matter are higher. This was reflected in both increasing exo-enzymatic carbon-vs.-nutrient acquisition and decreasing fungal-vs.-bacterial abundance with increasing flooding frequency. Our findings thereby suggest two previously unrecognized mechanisms that may contribute to stimulated microbial activity despite decreasing oxygen availability in response to accelerated sea-level rise.
Data from: Plant, soil and microbial controls on grassland diversity restoration: a long-term, multi-site mesocosm experiment
The success of grassland biodiversity restoration schemes is determined by many factors; as such their outcomes can be unpredictable. There is a need for improved understanding of the relative importance of belowground factors to restoration success, such as contrasting soil type and management intensities, as well as plant community composition and order of assembly. We carried out an eight-year mesocosm experiment across three locations in the UK to explore the relative and interactive roles of various aboveground and belowground factors in the establishment of target species, to determine general constraints on grassland restoration. Each location had a series of mesocosms with contrasting soil types and management status, which were initially sown with six grasses typical of species-poor grasslands targeted for restoration. Over five years, sets of plant species were added, to test how different vegetation treatments, including early-coloniser species and the hemiparasite Rhinanthus minor, and soil type and management, influenced the establishment of target plant species and community diversity. The addition of early-coloniser species to model grasslands suppressed the establishment of target species, indicating a strong priority effect. Soil type was also an important factor, but effects varied considerably across locations. In the absence of early-coloniser species, low soil nutrient availability improved establishment of target species across locations, although R. minor had no beneficial effect. Synthesis and applications. Our long-term, multi-site study indicates that successful restoration of species rich grassland is dependent primarily on priority effects, especially in the form of early-coloniser species that suppress establishment of slow-growing target species. We also show that priority effects vary with soil conditions, being stronger in clay than sandy soils, and on soils of high nutrient availability. As such, our work emphasises the importance of considering priority effects and local soil conditions in developing management strategies for restoring plant species diversity in grassland.
Dataset associated to: Controlling the Carbon-Bio Interface via Glycan Functional Adlayers for Applications in Microbial Fuel Cell Bioanodes
<p>This file contains the dataset associated to the published research article "Controlling the Carbon-Bio Interface via Glycan Functional Adlayers for Applications in Microbial Fuel Cell Bioanodes". The dataset contains Atomic Force Microscopy, electrochemistry, Microbial Fuel Cells power output, water contact angle and quartz crystal microbalance raw data from their relative instruments. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No. 799175 (HiBriCarbon). This publication has also emanated from research conducted with the financial support of Science Foundation Ireland under Grant No. 13/CDA/2213 and 19/FFP/6761. The authors thank the France-Ireland PHC ULYSSES programme for support, project 36028UB. F.B. thanks Rennes Métropole for the co-funding of a Quartz Crystal Microbalance. T.P. thanks Région Bretagne for the co-funding of his PhD.</p>
Data from: Disentangling plant and soil microbial controls on carbon and nitrogen loss in grassland mesocosms
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Formicine ants swallow their highly acidic poison for gut microbial selection and control
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Unrecognized controls on microbial functioning in Blue Carbon ecosystems: the role of mineral enzyme stabilization and allochthonous substrate supply
Open the record for dataset details and reuse information.
Data from: Plant, soil and microbial controls on grassland diversity restoration: a long-term, multi-site mesocosm experiment
Open the record for dataset details and reuse information.
Microbial short-chain fatty acids regulate drug seeking and transcriptional control in a model of cocaine seeking.
GEO Series GSE227980. Rattus norvegicus. 20 samples. Type: Expression profiling by high throughput sequencing.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.