Drosophila melanogaster
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA313014 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Drosophila melanogaster is a well-studied genetic model organism with several large-scale transcriptome resources. Here we investigate 7,952 proteins during the fly life cycle from embryo to adult and also provide a high-resolution temporal time course proteome of 5,458 proteins during embryogenesis. We use our large scale data set to compare transcript/protein expression, uncovering examples of extreme differences between mRNA and protein abundance. In the embryogenesis proteome, the time delay in protein synthesis after transcript expression was determined. For some proteins, including the transcription factor lola, we monitor isoform specific expression levels during early fly development. Furthermore, we obtained firm evidence of 268 small proteins, which are hard to predict by bioinformatics. We observe peptides originating from non-coding regions of the genome and identified Cyp9f3psi as a protein-coding gene. As a powerful resource to the community, we additionally created an interactive web interface (http://www.butterlab.org) advancing the access to our data.
2017-04-07 | PXD005713 | Pride
Project description:Drosophila melanogaster is a well-studied genetic model organism with several large-scale transcriptome resources. Here we investigate 7,952 proteins during the fly life cycle from embryo to adult and also provide a high-resolution temporal time course proteome of 5,458 proteins during embryogenesis. We use our large scale data set to compare transcript/protein expression, uncovering examples of extreme differences between mRNA and protein abundance. In the embryogenesis proteome, the time delay in protein synthesis after transcript expression was determined. For some proteins, including the transcription factor lola, we monitor isoform specific expression levels during early fly development. Furthermore, we obtained firm evidence of 268 small proteins, which are hard to predict by bioinformatics. We observe peptides originating from non-coding regions of the genome and identified Cyp9f3psi as a protein-coding gene. As a powerful resource to the community, we additionally created an interactive web interface (http://www.butterlab.org) advancing the access to our data.
2017-04-07 | PXD005691 | Pride
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Project description:Early embryogenesis is characterized by the maternal to zygotic transition (MTZ), in which maternally deposited messenger RNAs are translated and subsequently degraded while zygotic transcription begins. Posttranscriptional gene regulation by RNA-binding proteins (RBPs) is a dominant force controlling pre-zygotic gene expression. Here we describe the first in vivo mRNA-bound proteome in early Drosophila melanogaster embryos. mRNA interactome capture using conventional (254nm) and photoactivatable ribonucleoside-enhanced UV-crosslinking (365nm) was applied to detect RBPs bound to maternal and early zygotic polydenylated transcripts within the first two hours of embryogenesis. We identified a high confidence set of 476 putative RBPs and confirmed RNA-binding activity for most of the tested candidates. The majority of the identified proteins in the early fly mRNA interactome were known RBPs, harboring canonical RBPs features. Nearly hundred of the identified proteins were previously not known to bind RNA. Interestingly, mRNAs encoding RBPs and TFs exhibit time specific expression modules, in which RBPs dominate the first hours of embryonic development. Using fly-FISH data, we could show enriched RBP localization in the posterior embryo during these first hours of fly embryogenesis, suggesting general importance germ cell maturation.
2016-04-26 | PXD002992 | Pride
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