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                "secondary-accession": "ERP175331",
                "centre-name": "T C",
                "public-release-date": null,
                "study-abstract": "Analise de biodiversidade de areas contaminadas por metais pesados ",
                "study-name": "Analise de metais pesado de rios",
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        {
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            "id": "MGYS00006821",
            "attributes": {
                "accession": "MGYS00006821",
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                "last-update": "2025-07-02T14:58:13",
                "secondary-accession": "SRP003237",
                "centre-name": "G2L",
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                "study-abstract": "Soil bacteria are important components for nearly all biogeochemical cycles in terrestrial ecosystems and participate in most nutrient transformations in soil. In contrast to the importance of soil bacteria for ecosystem functions, we understand little how different management types affect the soil bacterial community composition. We used pyrosequencing-based analysis of the V2-V3 16S rRNA gene region to identify changes in bacterial diversity and community structure in nine forest and nine grassland soils under six different management types (three replicates each) from the Schwäbische Alb (southwestern Germany). The data set comprised 598,962 sequences that were affiliated to the domain Bacteria. The number of classified sequences per sample ranged from 23,515 to 39,259. The dominant taxonomic groups across all samples (> 1% of all sequences) were Acidobacteria, Alphaproteobacteria, Actinobacteria, Betaproteobacteria, Deltaproteobacteria, Gammaproteobacteria, and Firmicutes. Significant variations in relative abundances of bacterial phyla, including Actinobacteria, Firmicutes, Cyanobacteria, and Alphaproteobacteria, between the land use types forest and grassland were observed. At the genus level, differences were also recorded for the dominant genera Phenylobacter, Polyangium, Bacillus, Kribbella, Agromyces, and Defluviicoccus. The separate analysis of bacterial community composition in forest and grassland soils revealed strong correlations of relative abundances of bacterial groups at different taxonomic levels and soil pH, but little or no relationships to the management type and other soil properties were found. A pH effect was recorded for the Bacteroidetes, Alphaproteobacteria, Betaproteobacteria, Acidobacteria (subgroups 1, 4, 6, 13, 16, 17, and 22), Caulobacterales, and Dyella in forest soils, and for acidobacterial subgroup 3 and Acetobacteraceae in forest as well as in grassland soils. In addition, soil bacterial community structure showed significant differences between beech and spruce forest soils. Thus, soil pH and tree species were the major drivers of bacterial community composition in forest soils.",
                "study-name": "16S rRNA analysis of bacterial communities of forest and grassland sites located in the German Biodiversity Exploratory Schwäbische Alb",
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            "id": "MGYS00005779",
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                "secondary-accession": "ERP128181",
                "centre-name": "Universidad de la Amazonia",
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                "study-abstract": "This study aimed to characterize the microbiome present in both litter and the soil of rainforest in the northwest Colombian Amazon region, and the response of the microbiome to land use change. The study was conducted specifically in Belén de los Andaquies and Solano counties, in Caqueta state, the second most important hotspot of deforestation in the entire Amazon basin. Experimental study design included 4 study sites for comparing native forest to livestock pasture systems, within the main landscapes of the region, mountain and hill landscapes separately.",
                "study-name": "Land use change effects on the soil microbiome of the rainforest of the northwest Colombian Amazon region.",
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                "bioproject": "PRJNA706195",
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                "last-update": "2025-04-25T08:44:55",
                "secondary-accession": "SRP309062",
                "centre-name": "Helmholtz Centre for Environmental Research - UFZ",
                "public-release-date": null,
                "study-abstract": "The German Biodiversity Exploratories aim to regularly monitor general fungi in German soils. The project considers 150 grassland and 150 forest plots in total, which are distributed along a north-south transect across Germany. The three sites, each consisting of 50 grassland and 50 forest plots, are Schorfheide-Chorin in Northern Germany, Hainich-Duen in Central Germany and Swabian Alb in the South of the country. Grasslands and forests are characterized by different land-use intensities and management regimes, respectively. The arbuscular mycorrhiza fungi were assessed using Illumina MiSeq sequencing of the internal transcripted spacer2 (ITS2) region after a joint soil sampling carried out in May 2011, 2014 and 2017, each time on all 300 plots.",
                "study-name": "General soil fungi from 150 German grassland and 150 German forest plots from 2011, 2014 and 2017 (Illumina MiSeq)",
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                "accession": "MGYS00006741",
                "bioproject": "PRJNA647619",
                "samples-count": 282,
                "is-private": false,
                "last-update": "2025-04-09T10:00:02",
                "secondary-accession": "SRP273389",
                "centre-name": "Georg-August-University Goettingen",
                "public-release-date": null,
                "study-abstract": "The aim of the project was to investigate Candidatus Udaeobacter phylotypes in forest and grassland soils derived from the German Biodiversity Exploratories",
                "study-name": "Analysis of Candidatus Udaeobacter representatives in forest and grassland soils",
                "data-origination": "HARVESTED"
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                "bioproject": "PRJEB30633",
                "samples-count": 340,
                "is-private": false,
                "last-update": "2025-04-08T08:22:23",
                "secondary-accession": "ERP113110",
                "centre-name": "DSMZ",
                "public-release-date": null,
                "study-abstract": "Biodiversity Exploratories Rhizosphere 2015",
                "study-name": "Biodiversity Exploratories Rhizosphere 2015",
                "data-origination": "SUBMITTED"
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            "id": "MGYS00006745",
            "attributes": {
                "accession": "MGYS00006745",
                "bioproject": "PRJNA706003",
                "samples-count": 900,
                "is-private": false,
                "last-update": "2025-04-08T08:20:33",
                "secondary-accession": "SRP309100",
                "centre-name": "Helmholtz Centre for Environmental Research - UFZ",
                "public-release-date": null,
                "study-abstract": "The German Biodiversity Exploratories aim to regularly monitor arbuscular mycorrhizal in German soils. The project considers 150 grassland and 150 forest plots in total, which are distributed along a north-south transect across Germany. The three sites, each consisting of 50 grassland and 50 forest plots, are Schorfheide-Chorin in Northern Germany, Hainich-Duen in Central Germany and Swabian Alb in the South of the country. Grasslands and forests are characterized by different land-use intensities and management regimes, respectively.The arbuscular mycorrhiza fungi were assessed using Illumina MiSeq sequencing of the small subunit (SSU) gene after a joint soil sampling carried out in May 2011, 2014 and 2017, each time on all 300 plots.",
                "study-name": "Arbuscular mycorrhizal fungi from 150 German grassland and 150 German forest plots from 2011, 2014 and 2017 (Illumina MiSeq)",
                "data-origination": "HARVESTED"
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        {
            "type": "studies",
            "id": "MGYS00006742",
            "attributes": {
                "accession": "MGYS00006742",
                "bioproject": "PRJNA433935",
                "samples-count": 156,
                "is-private": false,
                "last-update": "2025-04-07T15:24:47",
                "secondary-accession": "SRP133002",
                "centre-name": "Helmholtz Centre for Environmental Research GmbH - UFZ",
                "public-release-date": null,
                "study-abstract": "Investigation of the root and rhizosphere microbial community composition of forb and grass phytometer plants out planted in sites of different land-use intensity in the German Biodiversity Exploratories (Hainich-Dün) by means of 16S and ITS rDNA paired-end amplicon sequencing using Illumina MiSeq. The study focused on the effect of plant functional group (grasses vs. forbs) and land-use as well as edaphic parameters onto the bacterial and fungal community and diversity.",
                "study-name": "Microbial genomic DNA was extracted from the root, rhizosphere and bulk soil compartments from grassland phytometer plant species and was then used as templates for bacterial 16S and/or fungal ITS rDNA paired-end amplicon sequencing using Illumina MiSeq",
                "data-origination": "HARVESTED"
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        {
            "type": "studies",
            "id": "MGYS00006791",
            "attributes": {
                "accession": "MGYS00006791",
                "bioproject": "PRJEB60029",
                "samples-count": 330,
                "is-private": false,
                "last-update": "2025-04-04T11:22:46",
                "secondary-accession": "ERP145068",
                "centre-name": "GFZ German Research Centre for Geosciences",
                "public-release-date": null,
                "study-abstract": "Pioneer microbial communities participate critically in soil formation processes in arid and semiarid environments. However, how its structure impacts soil formation and stabilization and how they will respond to changes in a climate still need to be better understood. Therefore, soil samples from A and B horizons of arid and semiarid climates were incubated in a four month-experiment simulating constant water availability and temperature regimes in humid climate conditions. We used 16S-rRNA sequencing to assess changes in abundance, diversity, and structure of pioneer bacterial communities and their relation to soil physicochemical properties at three-time points during the incubation. Humid conditions decreased bacterial diversity only in arid soils, while the structure changed in both soils but faster in the arid one (12 against 16 weeks).  The bacterial phyla varied markedly in arid soils over time, reassembled into a community dominated by Proteobacteria, Actinobacteriota, and Gemmatimonadota, while semiarid one was led steadily by Acidobacteriota, Proteobacteria, and Planctomycetota. The bacterial community correlated with prominent soil formation indicators such as pH, electrical conductivity, carbon, nitrogen, and mean weight diameter of aggregates, suggesting that they are involved in soil formation processes. The co-occurrence network revealed a niche differentiation per soil type and a less developed soil with a bacterial community sensitive to environmental disturbances in the arid soil. Overall, we suggest that the pioneer bacterial community was sensitive to changes when exposed to climate conditions outside the range of their life history, which, in turn, influenced the stability (semiarid soil) or turnover (arid soil) of pioneer soil-forming bacteria.",
                "study-name": "Unraveling the response of pioneer soil-forming bacterial communities after simulating humid climate conditions in arid and semiarid soils",
                "data-origination": "SUBMITTED"
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                "study-abstract": "Bacterial diversity and community composition should be assessed for grassland and forest soils in the three German Biodiversity Exploratories (Schorfheide-Chorin, Hainich-Dün, Schwäbische Alb). Grassland soil samples were derived from meadows, pastures or mown pastures that were either fertilized or non-fertilized. Forest soil samples were derived from age class forest, selection forest or natural forest and dominated by either beech, oak, pine or spruce trees.The study focused on the effect of land use, management, fertilization and tree species as well as edaphic parameters onto the bacterial community and diversity to identify drivers of diversity and community composition.",
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                "secondary-accession": "ERP014422",
                "centre-name": "Leibniz Institute DSMZ",
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                "study-abstract": "In the frame of the German Biodiversity Exploratories (http://www.biodiversity-exploratories.de), the sampling plots were located in three regions in Germany: Schorfheide-Chorin in Brandenburg, national park Hainich-Dün Thuringia, and biosphere reserve Schwäbische Alb in Baden-Wuerttemberg. In every region, 50 grassland sites with different land use intensities were investigated, resulting in a total of 150 plots analysed in this study. The coordinated soil sampling campaign took place in May 2011. The acidobacterial community composition in soil samples was analyzed by high-throughput Illumina sequencing targeting the V3 region of the 16S rRNA.",
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                "last-update": "2025-01-20T20:44:20",
                "secondary-accession": "SRP015824",
                "centre-name": "Institute of Microbiology and Genetics",
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                "study-abstract": "Central objective of this study is to compare different nucleic acid extraction methods with respect to abundance and diversity of 16S rRNA genes and transcripts.  Grassland soil derived from the German Biodiversity Exploratories Schwäbische Alb, Schorfheide Chorin and Hainich-Dün.",
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                "secondary-accession": "SRP028799",
                "centre-name": "Institute of Applied Ecology, CAS",
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                "secondary-accession": "ERP139461",
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                "last-update": "2024-05-02T20:15:55",
                "secondary-accession": "SRP049270",
                "centre-name": "Seoul National University",
                "public-release-date": null,
                "study-abstract": "Both climate and pH are key in determining soil archaeal community structure and diversity",
                "study-name": "16S rRNA gene sequences from temperate soils Targeted Locus (Loci)",
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                "study-abstract": "Our final end is to change organic agriculture to matter production system based on scientific basis by stationary measurement of soil microbial community.This year,We analyze bacteria and fungi community at feild soil fertilized by compost made from coffee lees.We also analyze compost made from coffee lees.",
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                "secondary-accession": "SRP016087",
                "centre-name": "Nicolaus Copernicus University",
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                "study-abstract": "Pyrosequencing of V3-V4 16S rRNA gene fragments amplified from metagenomic DNA isolated from heavy metals-contaminated soils collected near chromium green-producing facility in Alwernia, Poland.  Two samples of soils from Alwernia, Poland, collected at the vicinity of chromium green-producing factory.",
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                "study-abstract": "This is a global dataset of unprecedented scope to disentangle the relative roles of climatic, edaphic, floristic, and spatial variables governing global-scale patterns of soil fungal diversity. We also address key macro-ecological phenomena such as latitudinal gradients of diversity and Rapoport’s rule (expansion of species’ latitudinal range with increasing latitude) as well as cross-biome and cross-continental biogeographic relationships in multiple phylogenetic and functional groups of fungi.",
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