Ontology highlight
ABSTRACT:
PROVIDER: PRJNA556992 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR9849850_1.fastq.gz | Fastqsanger.gz | |||
| SRR9849850_2.fastq.gz | Fastqsanger.gz | |||
| SRR9849860_1.fastq.gz | Fastqsanger.gz | |||
| SRR9849860_2.fastq.gz | Fastqsanger.gz | |||
| SRR9849851_1.fastq.gz | Fastqsanger.gz |
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Project description:This SuperSeries is composed of the following subset Series: GSE32898: Comprehensive identification of long non-coding RNAs expressed during zebrafish embryogenesis [RNA_seq] GSE32899: Comprehensive identification of long non-coding RNAs expressed during zebrafish embryogenesis [ChIP_Seq] Refer to individual Series
2011-11-17 | E-GEOD-32900 | biostudies-arrayexpress
Project description:Comprehensive identification of long non-coding RNAs expressed during zebrafish embryogenesis [ChIP_Seq]
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Project description:Comprehensive identification of long non-coding RNAs expressed during zebrafish embryogenesis [RNA_seq]
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Project description:Long non-coding RNAs (lncRNAs) comprise a diverse class of transcripts that structurally resemble mRNAs but do not encode proteins. Recent genome-wide studies in human and mouse have annotated lncRNAs expressed in cell lines and adult tissues, but a systematic analysis of lncRNAs expressed during vertebrate embryogenesis has been elusive. To identify lncRNAs with potential functions in vertebrate embryogenesis, we performed a time series of RNA-Seq experiments at eight stages during early zebrafish development. We reconstructed 56,535 high-confidence transcripts in 28,912 loci, recovering the vast majority of expressed RefSeq transcripts, while identifying thousands of novel isoforms and expressed loci. We defined a stringent set of 1,133 non-coding multi-exonic transcripts expressed during embryogenesis. These include long intergenic ncRNAs (lincRNAs), intronic overlapping lncRNAs, exonic antisense overlapping lncRNAs, and precursors for small RNAs (sRNAs). Zebrafish lncRNAs share many of the characteristics of their mammalian counterparts: relatively short length, low exon number, low expression, and conservation levels comparable to introns. Subsets of lncRNAs carry chromatin signatures characteristic of genes with developmental functions. The temporal expression profile of lncRNAs revealed two novel properties: lncRNAs are expressed in narrower time windows than protein-coding genes and are specifically enriched in early-stage embryos. In addition, several lncRNAs show tissue-specific expression and distinct subcellular localization patterns. Integrative computational analyses associated individual lncRNAs with specific pathways and functions, ranging from cell cycle regulation to morphogenesis. Our study provides the first comprehensive identification of lncRNAs in a vertebrate embryo and forms the foundation for future genetic, genomic and evolutionary studies. ChIP-Seq for H3K4me3 and H3K27me3 at zebrafish shield stage.
2011-11-17 | E-GEOD-32899 | biostudies-arrayexpress
Project description:Identification of Prep1 and Pbx2/4 regulated genes during early zebrafish embryogenesis (6 and 12hpf) by RNA-seq
2018-06-22 | GSE102662 | GEO
Project description:Global identification of mRNA-interacting circular RNAs by CLiPPR-Seq
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Project description:Long non-coding RNAs (lncRNAs) comprise a diverse class of transcripts that structurally resemble mRNAs but do not encode proteins. Recent genome-wide studies in human and mouse have annotated lncRNAs expressed in cell lines and adult tissues, but a systematic analysis of lncRNAs expressed during vertebrate embryogenesis has been elusive. To identify lncRNAs with potential functions in vertebrate embryogenesis, we performed a time series of RNA-Seq experiments at eight stages during early zebrafish development. We reconstructed 56,535 high-confidence transcripts in 28,912 loci, recovering the vast majority of expressed RefSeq transcripts, while identifying thousands of novel isoforms and expressed loci. We defined a stringent set of 1,133 non-coding multi-exonic transcripts expressed during embryogenesis. These include long intergenic ncRNAs (lincRNAs), intronic overlapping lncRNAs, exonic antisense overlapping lncRNAs, and precursors for small RNAs (sRNAs). Zebrafish lncRNAs share many of the characteristics of their mammalian counterparts: relatively short length, low exon number, low expression, and conservation levels comparable to introns. Subsets of lncRNAs carry chromatin signatures characteristic of genes with developmental functions. The temporal expression profile of lncRNAs revealed two novel properties: lncRNAs are expressed in narrower time windows than protein-coding genes and are specifically enriched in early-stage embryos. In addition, several lncRNAs show tissue-specific expression and distinct subcellular localization patterns. Integrative computational analyses associated individual lncRNAs with specific pathways and functions, ranging from cell cycle regulation to morphogenesis. Our study provides the first comprehensive identification of lncRNAs in a vertebrate embryo and forms the foundation for future genetic, genomic and evolutionary studies. RNA-Seq for 8 zebrafish developmental stages, 2 lanes for each stage (3 for shield).
2011-11-17 | E-GEOD-32898 | biostudies-arrayexpress
Project description:Embryogenesis entails dramatic shifts in mRNA translation and turnover to account for gene expression differences during proliferation and cellular differentiation. Codon identity modulates mRNA stability during early vertebrate embryogenesis, but how the composition of tRNA pools adapts to the embryo s translational demand is unknown. By quantitatively profiling the tRNA repertoires of zebrafish embryos during the maternal-to-zygotic transition, here we find that maternal and zygotic tRNA pools are distinct. We show that translational activation during embryogenesis and tRNA gene derepression are temporally coordinated by TORC1 activity, which increases at gastrulation and inactivates the RNA polymerase III repressor Maf1a/b in vivo. Reshaping of tRNA pools results in differential tRNA anticodon supply, but these changes do not alter decoding rates in zebrafish embryos. Instead, our data indicate that tRNA repertoires reflect the inherent codon bias of the zebrafish mRNA transcriptome, and tRNA levels are boosted at gastrulation to ensure efficient translation as embryos enter differentiation.
2024-02-26 | MSV000094166 | MassIVE
Project description:Long non-coding RNAs (lncRNAs) comprise a diverse class of transcripts that structurally resemble mRNAs but do not encode proteins. Recent genome-wide studies in human and mouse have annotated lncRNAs expressed in cell lines and adult tissues, but a systematic analysis of lncRNAs expressed during vertebrate embryogenesis has been elusive. To identify lncRNAs with potential functions in vertebrate embryogenesis, we performed a time series of RNA-Seq experiments at eight stages during early zebrafish development. We reconstructed 56,535 high-confidence transcripts in 28,912 loci, recovering the vast majority of expressed RefSeq transcripts, while identifying thousands of novel isoforms and expressed loci. We defined a stringent set of 1,133 non-coding multi-exonic transcripts expressed during embryogenesis. These include long intergenic ncRNAs (lincRNAs), intronic overlapping lncRNAs, exonic antisense overlapping lncRNAs, and precursors for small RNAs (sRNAs). Zebrafish lncRNAs share many of the characteristics of their mammalian counterparts: relatively short length, low exon number, low expression, and conservation levels comparable to introns. Subsets of lncRNAs carry chromatin signatures characteristic of genes with developmental functions. The temporal expression profile of lncRNAs revealed two novel properties: lncRNAs are expressed in narrower time windows than protein-coding genes and are specifically enriched in early-stage embryos. In addition, several lncRNAs show tissue-specific expression and distinct subcellular localization patterns. Integrative computational analyses associated individual lncRNAs with specific pathways and functions, ranging from cell cycle regulation to morphogenesis. Our study provides the first comprehensive identification of lncRNAs in a vertebrate embryo and forms the foundation for future genetic, genomic and evolutionary studies.
2011-11-17 | GSE32899 | GEO