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Ribosome profiling and RNA-seq of human corneal epithelial cells upon mild osmotic stress

ABSTRACT: Ribosome profiling and RNA-seq of human corneal epithelial cells upon mild osmotic stress

PROVIDER: PRJNA822939 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18592300_1.fastq.gz	Fastqsanger.gz
	SRR18592300_2.fastq.gz	Fastqsanger.gz
	SRR18592261.fastq.gz	Fastqsanger.gz
	SRR18592262.fastq.gz	Fastqsanger.gz
	SRR18592263.fastq.gz	Fastqsanger.gz

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Ribosome profiling and RNA-seq of human corneal epithelial cells upon mild osmotic stress

Project description:We present ribosome profiling(for activaly translated RNA) and RNA-seq (for total RNA) data for human corneal epithelial cells exposed to mild osmotic stress (500 mOsm) for 1h and 6h (additionally torin1 (mTOR inhibitor) or MeAIB (SNAT2 inhibitor were added for the last hour of treatment.

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The expression profiles of 31 transcription factors in wild-type Col-0 plants upon mild osmotic stress, including 10 time points and different leaf tissues

Project description:The expression level of the 31 genes (ERF-1 (AT4G17500), ERF2 (AT5G47220), ERF5 (AT5G47230), ERF6 (AT4G17490), ERF11 (AT1G28370), ERF8 (AT1G53170), ERF9 (AT5G44210), ERF59 (AT1G06160), ERF98 (AT3G23230), MYB51 (AT1G18570), STZ (AT1G27730), WRKY28 (AT4G18170), WRKY33 (AT2G38470), WRKY15 (AT2G23320), ZAT6 (AT5G04340), WRKY48 (AT5G49520), RAP2.6L (AT5G13330), K11J9.4 (AT5G61590), bHLH (AT2G43140), GATA3 (AT4G34680), GA2OX6 (AT1G02400), GA3OX1 (AT1G15550), GA2OX4 (AT1G47990), GA20OX1 (AT4G25420), EXLB3 (AT2G18660), MPK3 (AT3G45640), RAP2.2 (AT3G14230)) was measured upon mild osmotic stress (25mM mannitol) in the third leaf of wild-type plants during the proliferating (9 days after stratification (DAS)), expanding (15 DAS) and mature (22 DAS) developmental stage. The expanding third leaf (15 DAS) was harvested at a high temporal resolution (20 min, 40 min, 1 h, 2 h, 4 h, 8 h, 12 h, 16 h, 24 h and 48 h), whereas the proliferating and mature leaf tissues were harvested 24h after transfer to control or 25 mM mannitol-containing medium. A detailed expression pattern over time for each gene was generated with the nCounter Nanostring® technology.

2017-11-28 | E-MTAB-6205 | biostudies-arrayexpress

Ribosome profiling and RNA sequencing reveal genome-wide cellular translation and transcription regulation under osmotic stress in Lactobacillus rhamnosus ATCC 53103

Project description:To determine whether osmotic pressure affects the translation efficiency of Lactobacillus rhamnosus, the ribosome profiling assay was performed to analyze the changes in translation efficiency in L. rhamnosus ATCC 53103. Under osmotic stress, differentially expressed genes (DEGs) involved in fatty acid biosynthesis and metabolism, ribosome, and purine metabolism pathways were co-regulated with consistent expression direction at translation and transcription levels. DEGs involved in the biosynthesis of phenylalanine, tyrosine, and tryptophan, and the phosphotransferase system pathways also were co-regulated at translation and transcription levels, while they showed opposite expression direction at two levels. Moreover, DEGs involved in the two-component system, amino acid metabolism, and pyruvate metabolism pathways were only regulated at the transcription level. And DEGs involved in fructose and mannose metabolism were only regulated at the translation level. The translation efficiency of DEGs involved in the biosynthesis of amino acids was downregulated while in quorum sensing and PTS pathways was upregulated. In addition, the ribosome footprints accumulated in open reading frame regions resulted in impaired translation initiation and elongation under osmotic stress. In summary, L. rhamnosus ATCC 53103 could respond to osmotic stress by translation regulation and control the balance between survival and growth of cells by transcription and translation.

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Role of Yap4 in Yeast Osmotic Stress Response

Project description:The role of the S. cerevisiae Yap4 transcription factor in the response to hyperosmolarity was investigated in two ways. Firstly, to assess the overall response of the yap4 deleted strain genome wide analysis upon a mild upshift in osmolarity was compared to the same response in the wt strain. Secondly, in order to identify genes whose osmo-expression is differentially regulated in the mutant strain (ie potential Yap4 target genes) the relative abundance of cDNAs of the wt and yap4 mutant strain obtained upon an osmotic upshift were directly compared by microarray analysis. Keywords: Mutant Stress Response

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Project description:When challenged with osmotic shock, S. cerevisiae induces hundreds of genes, despite a global reduction in transcriptional capacity. The mechanisms that regulate this rapid reallocation of transcriptional resources are not known. Here we show that redistribution of RNA Pol II upon stress requires the stress-responsive MAP kinase Hog1. We find that Hog1 and RNA Pol II co-localize to open reading frames that bypass global transcriptional repression, and that these targets are specified by two osmotic stress-responsive transcription factors. The combination of reduced global transcription with a gene-specific override mechanism allows cells to rapidly switch their transcriptional program in response to stress.

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Study of ribosome dynamics after osmotic stress in Lsm1 and Pat1 deletions

Project description:Study of ribosome dynamics after osmotic stress in Lsm1 and Pat1 deletions

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Translational and transcriptional responses of fission yeast to osmotic shock (sorbitol)

Project description:Ribosome profiling was used to investigate how Schizosaccharomcyes pombe cells modulate gene expression in response to osmotic shock

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Senescent Characteristics of Human Corneal Endothelial Cells upon Ultraviolet-A Exposure

Project description:Senescent Characteristics of Human Corneal Endothelial Cells upon Ultraviolet-A Exposure

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