Characterization of lncRNAs involved in cold acclimation of zebrafish ZF4 cells
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA419909 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR6324382_1.fastq.gz | Fastqsanger.gz | |||
| SRR6324382_2.fastq.gz | Fastqsanger.gz | |||
| SRR6324383_1.fastq.gz | Fastqsanger.gz | |||
| SRR6324383_2.fastq.gz | Fastqsanger.gz | |||
| SRR6324384_1.fastq.gz | Fastqsanger.gz |
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Project description:Long non-coding RNAs (lncRNAs) are increasingly regarded as a key role in regulating diverse biological processes in various tissues and species. So far, no data is available on screening and functional prediction of lncRNAs in cold acclimation in fishes. Here we compared expression profiles of lncRNAs in zebrafish embryonic fibroblast cells (ZF4) cultured at 28°C as control with that of cold acclimated cells cultured at 18°C for 30 days by high-throughput sequencing. There are 8363 novel lncRNAs were identified. Including known and novel lncRNAs, there are 347 lncRNAs up-regulated and 342 lncRNAs down-regulated in cold acclimated cells, compared with that of control cells at 28°C. Among differentially expressed lncRNAs, 74 and 61 were found only in control cells or in cold-acclimated cells, respectively. The Gene Ontology (GO) and Kyoto Encyclopaedia of Genes and Genomes (KEGG) enrichment analyses of genes adjacent to differentially expressed lncRNAs showed that enriched genes were involved in electron transport, cell adhesion, oxidation-reduction process, and so on. We predicted target genes of differentially expressed lncRNAs by looking for interactions between lncRNAs and mRNA, and constructed a complex interaction network. In summary, our genome-wide systematic identification and function prediction of lncRNAs in zebrafish cells, lays the foundation for future studies to elucidate crucial roles of lncRNAs in cold acclimation in fishes.
2018-04-18 | GSE107369 | GEO
Project description:MicroRNAs (miRNAs) play vital roles in various biological processes by leading to mRNA cleavage or translational repression, and are also involved in multiple stress conditions. However, the detailed roles of miRNAs in cold acclimation in fish are still unclear. In the present study, high-throughput sequencing was performed to identify miRNAs from 6 small RNA libraries from the zebrafish embryonic fibroblast ZF4 cells under control (28°C, 30 days) and cold-acclimation (18°C, 30 days) conditions. A total of 414 miRNAs, 349 known and 65 novel, were identified. Among those miRNAs, 24 (19 known and 5 novel) were up-regulated, and 23 (9 known and 14 novel) were down-regulated in cold acclimated cells. The Gene Ontology (GO) and Kyoto Encyclopaedia of Genes and Genomes (KEGG) enrichment analyses indicated that the known differentially expressed miRNAs (DE-miRNA) are involved in cold acclimation by regulation of phosphorylation, cell junction, intracellular signal transduction, ECM-receptor interaction and so on. Moreover, dre-miR-100-3p inhibitor or dre-miR-16b mimics could protect ZF4 cells under cold stress, indicating the involvement of miRNA in cold acclimation. In summary, the present data show that miRNAs are closely involved in cold acclimation in fish and provide information for further understanding of the roles of miRNAs in cold acclimation.
2019-12-17 | GSE134399 | GEO
Project description:Identification and characterization of miRNAs involved in cold acclimation of zebrafish ZF4 cells
| PRJNA555064 | ENA
Project description:Experiment was designed to identify transcriptome changes during cold acclimation of Drosophila melanogaster male flies. Resistance to cold is often measured by recovery times from chill coma, which is induced almost immediately upon exposure to low but non-freezing temperatures (~0C), with flies becoming immobilised and losing motor activity. This paralysis is also ostensibly reversible upon return to normal temperatures, although again there can be longer term effects. Acclimation for increased cold resistance requires exposure periods ranging from hours or days to several weeks at low temperatures between 0C to 12C, and samples were taken during the cold acclimation period (1 hr, 2 hr, 3 hr, 6 hr, 12 hr, 24 hr, 36 hr and 48 hr).
2014-05-01 | E-MTAB-1607 | biostudies-arrayexpress
Project description:To understand physiological mechanisms of cold acclimation in pea, we performed a transcriptomique analysis in order to compare the response to LT treatment in two varieties, one being cold tolerant (Champagne) and the other cold sensitive (Terese).
2010-04-01 | GSE19209 | GEO
Project description:Long non-coding RNAs (lncRNAs) are increasingly regarded as a key role in regulating diverse biological processes in various tissues and species. Although the cold responsive lncRNAs have been reported in plants, no data is available on screening and functional prediction of lncRNAs in cold acclimation in fish so far. Here we compared the expression profile of lncRNAs in cold acclimated zebrafish embryonic fibroblast cells (ZF4) cultured at 18°C for 30 days with that of cells cultured at 28°C as control by high-throughput sequencing. Totally 8,363 novel lncRNAs were identified. Including known and novel lncRNAs, there are 347 lncRNAs up-regulated and 342 lncRNAs down-regulated in cold acclimated cells. Among the differentially expressed lncRNAs, 74 and 61 were detected only in control cells or cold-acclimated cells, respectively. The Gene Ontology (GO) and Kyoto Encyclopaedia of Genes and Genomes (KEGG) enrichment analyses of adjacent genes to the differentially expressed lncRNAs showed that the enriched genes are involved in electron transport, cell adhesion, oxidation-reduction process, and so on. We also predicted the target genes of the differentially expressed lncRNAs by looking for interactions between lncRNAs and mRNAs, and constructed an interaction network. In summary, our genome-wide systematic identification and functional prediction of cold responsive lncRNAs in zebrafish cells suggests a crucial role of lincRNAs in cold acclimation in fish.
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Project description:Ambient temperature affects organisms comprehensively, however cold responses are different among tissues. Here, we adopt a transcript screening approach to explore and compare the cold responses in zebrafish gills and brain. Zebrafish were exposed to cold and the oligonucleotide-based microarray was used to identify cold-induced genes. Principle component analysis (PCA) of the gene expression profiles indicated that gills develop different strategies for the increasing of exposure period while brain relatively remained stable. Combining statistic and clustering methods, we found that gills showed higher protein metabolism and cell activity while brain showed higher stress responses and detoxification during cold acclimation. According to the microarray data sets, we extended the study on ionocyte- and isotocin neuron-related genes in gills and brain, respectively, and found these genes were broadly stimulated by cold. These data suggest that cold activates specific physiological functions in different tissues. Taken together, our results provide molecular evidences to elucidate the cold acclimation in zebrafish gills and brain. Keywords: Time course, Tissue types
2016-07-01 | GSE10958 | GEO
Project description:The sfr3-1 mutation causes freezing-sensitivity in Arabidopsis thaliana. The mutated gene has been identified by positional cloning and is currently being characterised. The mutant appears normal when grown in the warm (no phenotype has been identified associated with such growth). However, following cold acclimation and subsequent freezing mutant plants are severely damaged whilst wild type plants are not. This suggests that sfr3 is deficient in the cold acclimation process. Micro-array analysis will enable the identification of any transcriptional changes during the cold acclimation process. This information will then be used, together with information obtained by gene characterisation, in order to more fully understand the nature of the sfr3 mutation.
2009-12-04 | GSE19254 | GEO
Project description:To screen for genes involved in cold-acclimation in carp
2005-11-09 | E-MAXD-1 | biostudies-arrayexpress
Project description:This dataset is associated with two publications 1. Elucidating the biochemical basis of trans-16:1 fatty acid change in leaves during cold acclimation in wheat. http://doi.org/10.1002/pei3.10044 In this study, comparative RNA-seq analyses with leaf tissues undergoing cold acclimation reveal concerted transcriptome shifts indicating a reduced chloroplast lipid pathway activity and increased cytosolic ER membrane lipid synthesis. To explore the underlying metabolic and transcriptional mechanisms responsible for the reduction of the t16:1 under cold, a detailed lipid analysis and comparative transcriptome study were conducted with four wheat cultivars during cold treatment. The RNA-seq dataset includes four wheat cultivars (Manitou, Winter Manitou, Norstar and Spring Norstar) treated with cold paired with control. The data as a whole show that leaf tissues experience a gradual decrease in chloroplast lipid pathway activity and the variation in the decline of chloroplast lipid synthesis in different cultivars manifest in the rate of decrease in t16:1decrease in leaf tissues. Future efforts are required to determine if and how the down regulation of the chloroplast lipid pathway is related to the development of winter hardiness. 2. Computational genomics insights into cold acclimation in wheat. https://doi.org/10.3389/fgene.2022.1015673 In this study, integrated computational approaches was employed to investigate the transcriptomics and lipidomics data associated with cold acclimation and vernalization in the four wheat genotypes of distinct cold tolerance. Differential expression was investigated between cold treated and control samples and between the winter-habit and spring-habit wheat genotypes. Collectively, 12,676 differentially expressed genes (DEGs) were identified. Principal component analysis of these DEGs indicated that the first, second, and third principal components (PC1, PC2, and PC3) explained the variance in cold treatment, vernalization and cold hardiness, respectively. Differential expression feature extraction (DEFE) analysis revealed that the winter-habit wheat genotype Norstar had high number of unique DEGs (1884 up and 672 down) and 63 winter-habit genes, which were clearly distinctive from the 64 spring-habit genes based on PC1, PC2 and PC3. Correlation analysis revealed 64 cold hardy genes and 39 anti-hardy genes. Cold acclimation encompasses a wide spectrum of biological processes and the involved genes work cohesively as revealed through network propagation and collective association strength of local subnetworks. Integration of transcriptome and lipidomics data revealed that the winter-habit genes, such as COR413-TM1, CIPKs and MYB20, together with the phosphatidylglycerol lipids, PG(34:3) and PG(36:6), played a pivotal role in cold acclimation and coordinated cohesively associated subnetworks to confer cold tolerance. Citations: http://doi.org/10.1002/pei3.10044 https://doi.org/10.3389/fgene.2022.1015673
2022-10-24 | GSE156300 | GEO