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GeoChip data from fungal community in Alaskan tundra soil

ABSTRACT: GeoChip data from fungal community in Alaskan tundra soil

PROVIDER: PRJNA525763 | ENA |

REPOSITORIES: ENA

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GeoChip data from fungal community in Alaskan tundra soil

Project description:The effects of two years' winter warming on the overall fungal functional gene structure in Alaskan tundra soil were studies by the GeoChip 4.2 Resuts showed that two years' winter warming changed the overall fungal functional gene structure in Alaskan tundra soil.

2019-03-07 | GSE127899 | GEO

Geochip data of soil microbial community of biomes from three termperature zones

Project description:Here, we applied a microarray-based metagenomics technology termed GeoChip 5.0 to examined functional gene structure of microbes in three biomes, including boreal, temperate and tropical area.

2024-05-10 | GSE172195 | GEO

Functional gene abundance of tundra soil microbial communities sampled at the EML Thaw Gradient site, AK in May 2004

Project description:Permafrost soil in high latitude tundra is one of the largest terrestrial carbon (C) stocks and is highly sensitive to climate warming. Understanding microbial responses to warming induced environmental changes is critical to evaluating their influence on soil biogeochemical cycles. In this study, a functional gene array (i.e. GeoChip 4.2) was used to analyze the functional capacities of soil microbial communities collected from a naturally degrading permafrost region in Central Alaska. Varied thaw history was reported to be the main driver of soil and plant differences across a gradient of minimally, moderately and extensively thawed sites. Compared with the minimally thawed site, the number of detected functional gene probes across the 15-65 cm depth profile at the moderately and extensively thawed sites decreased by 25 % and 5 %, while the community functional gene beta-diversity increased by 34% and 45%, respectively, revealing decreased functional gene richness but increased community heterogeneity along the thaw progression. Particularly, the moderately thawed site contained microbial communities with the highest abundances of many genes involved in prokaryotic C degradation, ammonification, and nitrification processes, but lower abundances of fungal C decomposition and anaerobic-related genes. Significant correlations were observed between functional gene abundance and vascular plant primary productivity, suggesting that plant growth and species composition could be co-evolving traits together with microbial community composition. Altogether, this study reveals the complex responses of microbial functional potentials to thaw related soil and plant changes, and provides information on potential microbially mediated biogeochemical cycles in tundra ecosystems.

2019-06-03 | GSE97107 | GEO

iron-oxidizing communities from Alaskan tundra

Project description:Microbial iron oxidation in the Arctic tundra and the implications for biogeochemical cycling.

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Microbial community of tundra

Project description:Microbial community of distinct tundra types in Herschel Island (Canada)

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GeoChip 5.0 microarray of the active bacterial community from both warming and control soil samples

Project description:To determine whether and how warming affects the functional capacities of the active microbial communities, GeoChip 5.0 microarray was used. Briefly, four fractions of each 13C-straw sample were selected and regarded as representative for the active bacterial community if 16S rRNA genes of the corresponding 12C-straw samples at the same density fraction were close to zero.

2023-12-30 | E-MTAB-13326 | biostudies-arrayexpress

Alaskan tundra soil long-term incubation experiment

Project description:Three-year incubation of tundra soil collected from the Carbon in Permafrost Experimental Heating Research (CiPEHR) experimental site in May 2010

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Microbial community functional structures in wastewater treatment plants as characterized by GeoChip

Project description:To understand microbial community functional structures of activated sludge in wastewater treatment plants (WWTPs) and the effects of environmental factors on their structure, 12 activated sludge samples were collected from four WWTPs in Beijing. GeoChip 4.2 was used to determine the microbial functional genes involved in a variety of biogeochemical processes. The results showed that, for each gene category, such as egl, amyA, nir, ppx, dsrA sox and benAB, there were a number of microorganisms shared by all 12 samples, suggestive of the presence of a core microbial community in the activated sludge of four WWTPs. Variance partitioning analyses (VPA) showed that a total of 53% of microbial community variation can be explained by wastewater characteristics (25%) and operational parameters (23%), respectively. This study provided an overall picture of microbial community functional structures of activated sludge in WWTPs and discerned the linkages between microbial communities and environmental variables in WWTPs.

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Geochip data of soil microbial community of biomes from three termperature zones

Project description:Geochip data of soil microbial community of biomes from three termperature zones

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Urban waterways microbial communities (GeoChip)

Project description:Urban waterways microbial communities (GeoChip)

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