Soil metagenome
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA182130 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR624539.fastq.gz | Fastqsanger.gz |
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Project description:Podocyte injury is involved in the onset and progression of various kidney diseases. We previously demonstrated that the transcription factor, old astrocyte specifically induced substance (OASIS) in myofibroblasts, contributes to kidney fibrosis, as a novel role of OASIS in the kidneys. Importantly, we found that OASIS is also expressed in podocytes; however, the pathophysiological significance of OASIS in podocytes remains unknown. Upon lipopolysaccharide (LPS) treatment, there is an increase in OASIS in murine podocytes. Enhanced serum creatinine levels and tubular injury, but not albuminuria and podocyte injury, are attenuated upon podocyte-restricted OASIS knockout in LPS-treated mice, as well as diabetic mice. The protective effects of podocyte-specific OASIS deficiency on tubular injury are mediated by protein kinase C iota (PRKCI/PKCι), which is negatively regulated by OASIS in podocytes. Furthermore, podocyte-restricted OASIS transgenic mice show tubular injury and tubulointerstitial fibrosis, with severe albuminuria and podocyte degeneration. Finally, there is an increase in OASIS-positive podocytes in the glomeruli of patients with minimal change nephrotic syndrome and diabetic nephropathy. Taken together, OASIS in podocytes contributes to podocyte and/or tubular injury, in part through decreased PRKCI. The induction of OASIS in podocytes is a critical event for the disturbance of kidney homeostasis.
2022-06-22 | GSE206525 | GEO
Project description:Investigation of whole genome gene expression level changes in OASIS KO calvaria compared to wild-type calvaria. To gain further insight into the potential mechanisms underlying the defective bone formation in OASIS KO mice, we compared the gene expression in calvaria between WT and OASIS KO mice using a microarray. Each sample of total RNA was collected from a number of mice.
2010-05-05 | E-GEOD-18062 | biostudies-arrayexpress
Project description:Investigation of whole genome gene expression level changes in OASIS KO calvaria compared to wild-type calvaria. To gain further insight into the potential mechanisms underlying the defective bone formation in OASIS KO mice, we compared the gene expression in calvaria between WT and OASIS KO mice using a microarray.
2009-09-10 | GSE18062 | GEO
Project description:Scaffold or matrix attachment regions (S/MARs) are found in all eukaryotes. The pattern of distribution and genomic context of S/MARs is thought to be important for processes such as chromatin organization and modulation of gene expression. Despite the importance of such processes, much is unknown about the large-scale distribution and sequence content of S/ MARs in vivo. Here, we report the use of tiling microarrays to map 1358 S/MARs on Arabidopsis thaliana chromosome 4 (chr4). S/MARs occur throughout chr4, spaced much more closely than in the large plant and animal genomes that have been studied to date. Arabidopsis S/MARs can be divided into five clusters based on their association with other genomic features, suggesting a diversity of functions. While some Arabidopsis S/MARs may define structural domains, most occur near the transcription start sites of genes. Genes associated with these S/MARs have an increased probability of expression, which is particularly pronounced in the case of transcription factor genes. Analysis of sequence motifs and 6-mer enrichment patterns show that S/MARs are preferentially enriched in poly(dA:dT) tracts, sequences that resist nucleosome formation, and the majority of S/MARs contain at least one nucleosome-depleted region. This global view of S/MARs provides a framework to begin evaluating genome-scale models for S/MAR function.
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Project description:To investigate the roles of OASIS/CREB3L1 in astrocytes during DNA damage response, we established OASIS wild type and deficient primary cultured mouse astrocytes treated with or without anti-cancer drug doxorubicin. We then performed gene expression profiling analysis using data obtained from RNA-seq of 4 different cells.
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Project description:Here, we report 17 metagenome-assembled genomes (MAGs) recovered from microbial consortia of forest and pasture soils in the Brazilian Eastern Amazon. The bacterial MAGs have the potential to act in important ecological processes, including carbohydrate degradation and sulfur and nitrogen cycling.
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