Ontology highlight
ABSTRACT:
PROVIDER: PRJNA770510 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR16320347_1.fastq.gz | Fastqsanger.gz | |||
| SRR16320347_2.fastq.gz | Fastqsanger.gz | |||
| SRR16320348_1.fastq.gz | Fastqsanger.gz | |||
| SRR16320348_2.fastq.gz | Fastqsanger.gz | |||
| SRR16320349_1.fastq.gz | Fastqsanger.gz |
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Project description:Waste decomposition in landfills is a complex and microbe-mediated process. Understanding the microbial community composition and structure is critical for accelerating decomposition and reducing adverse impact on the environment. Here, we examined the microbial communities along with landfill depth and age (LDA) in a sanitary landfill in Beijing, China using 16s rRNA Illumina sequencing and GeoChip 4.6. We found that Clostridiales and Methanofollis were the predominant bacteria and archaea in the present landfill, respectively. Interestingly, in contrast with the decreasing trend of microbial diversity in soil, both phylogenetic and functional diversities were higher in deeper and older refuse in the landfill. Phylogenetic compositions were obviously different in the refuse with the same LDA and such difference is mainly attributed to the heterogeneity of refuse instead of random process. Nevertheless, functional structures were similar within the same LDA, indicating that microbial community assembly in the landfill may be better reflected by functional genes rather than phylogenetic identity. Mantel test and canonical correspondence analysis suggested that environmental variables had significant impacts on both phylogenetic composition and functional structure. Higher stress genes, genes for degrading toxic substances and endemic genes in deeper and older refuse indicated that they were needed for the microorganisms to survive in the more severe environments. This study suggests that landfills are a repository of stress-resistant and contaminant-degrading microorganisms, which can be used for accelerating landfill stabilization and enhancing in situ degradation. Fifteen refuse samples with five landfill depths and ages (6m/2a, 12m/4a, 18m/6a, 24m/8a and 30m/10a) were collected from a sanitary landfill in Beijing, China. Three replicates in every landfill depth and age
2016-06-15 | E-GEOD-68712 | biostudies-arrayexpress
Project description:Waste decomposition in landfills is a complex and microbe-mediated process. Understanding the microbial community composition and structure is critical for accelerating decomposition and reducing adverse impact on the environment. Here, we examined the microbial communities along with landfill depth and age (LDA) in a sanitary landfill in Beijing, China using 16s rRNA Illumina sequencing and GeoChip 4.6. We found that Clostridiales and Methanofollis were the predominant bacteria and archaea in the present landfill, respectively. Interestingly, in contrast with the decreasing trend of microbial diversity in soil, both phylogenetic and functional diversities were higher in deeper and older refuse in the landfill. Phylogenetic compositions were obviously different in the refuse with the same LDA and such difference is mainly attributed to the heterogeneity of refuse instead of random process. Nevertheless, functional structures were similar within the same LDA, indicating that microbial community assembly in the landfill may be better reflected by functional genes rather than phylogenetic identity. Mantel test and canonical correspondence analysis suggested that environmental variables had significant impacts on both phylogenetic composition and functional structure. Higher stress genes, genes for degrading toxic substances and endemic genes in deeper and older refuse indicated that they were needed for the microorganisms to survive in the more severe environments. This study suggests that landfills are a repository of stress-resistant and contaminant-degrading microorganisms, which can be used for accelerating landfill stabilization and enhancing in situ degradation.
2016-06-15 | GSE68712 | GEO
Project description:microRNA-150 (miR-150) is mainly expressed in the lymph nodes and spleen and is highly up-regulated during the development of mature T and B cells. To understand the signal-transduction network for 'effector or memory T cells' and 'mir-150' in naïve, effector, or memory CD8 T cells of mir-150 knockout and wild-type mice, we analyzed gene expression profiles by microarray. The genetic background of the cells used in this study is CD8 T cells from spleen of the 8 week-old male C57BL/6J mice (for female: WT-memory_2 & KO-memory_2). Corresponding authors: Inpyo Choi, PhD, Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahak-ro,Yuseong, Daejeon 305-806, Republic of Korea. E-mail: ipchoi@kribb.re.kr. Or: Tae-Don Kim, PhD, Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahak-ro, Yuseong, Daejeon 305-806, Republic of Korea. E-mail: tdkim@kribb.re.kr.
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2020-10-25 | GSE160005 | GEO
Project description:microRNA-150 (miR-150) is mainly expressed in the lymph nodes and spleen and is highly up-regulated during the development of mature T and B cells. To understand the signal-transduction network for 'effector or memory T cells' and 'mir-150' in naM-CM-/ve, effector, or memory CD8 T cells of mir-150 knockout and wild-type mice, we analyzed gene expression profiles by microarray. The genetic background of the cells used in this study is CD8 T cells from spleen of the 8 week-old male C57BL/6J mice (for female: WT-memory_2 & KO-memory_2). Corresponding authors: Inpyo Choi, PhD, Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahak-ro,Yuseong, Daejeon 305-806, Republic of Korea. E-mail: ipchoi@kribb.re.kr. Or: Tae-Don Kim, PhD, Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahak-ro, Yuseong, Daejeon 305-806, Republic of Korea. E-mail: tdkim@kribb.re.kr. wild-type[WT] vs. mir-150 knockout[KO]; naM-CM-/ve, effector, and memory CD8 T cells.
2014-10-11 | E-GEOD-62262 | biostudies-arrayexpress
Project description:Background: The soil environment is responsible for sustaining most terrestrial plant life on earth, yet we know surprisingly little about the important functions carried out by diverse microbial communities in soil. Soil microbes that inhabit the channels of decaying root systems, the detritusphere, are likely to be essential for plant growth and health, as these channels are the preferred locations of new root growth. Understanding the microbial metagenome of the detritusphere and how it responds to agricultural management such as crop rotations and soil tillage will be vital for improving global food production. Methods: The rhizosphere soils of wheat and chickpea growing under + and - decaying root were collected for metagenomics sequencing. A gene catalogue was established by de novo assembling metagenomic sequencing. Genes abundance was compared between bulk soil and rhizosphere soils under different treatments. Conclusions: The study describes the diversity and functional capacity of a high-quality soil microbial metagenome. The results demonstrate the contribution of the microbiome from decaying root in determining the metagenome of developing root systems, which is fundamental to plant growth, since roots preferentially inhabit previous root channels. Modifications in root microbial function through soil management, can ultimately govern plant health, productivity and food security.
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Project description:In vivo work done to determine how p-cresol glucuronide (pCG) affects integrity of the blood-brain barrier. Wild-type male C57Bl/6 mice were injected with saline or pCG, and killed 2 h after injection. Mice were transcardially perfused with 0.9% saline at 4 °C to remove circulating blood, and brains were removed and collected into RNAlater. Whole brain total RNA was extracted using a PureLink RNA Mini Kit. RNA samples (n=6 pCG, n=6 control) were sent to Macrogen Inc. (Republic of Korea) where they were subject to quality checks (RIN analysis), library prep and sequencing [TruSeq Stranded mRNA LT Sample Prep Kit; paired-end (2x 100 nt) sequencing; Illumina HiSeq 4000].
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2014-04-28 | PXD000850 | Pride