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Using FlyAtlas to identify better Drosophila models of human disease

ABSTRACT: A new online resource (flyatlas.org) provides the most comprehensive view yet of expression in multiple tissues of Drosophila. Meta-analysis of the data reveals that a significant fraction ofthe genome is expressed with great tissue specificity in the adult, demonstrating the need for the functional genomic community to embrace a wider range of functional phenotypes. Well-known developmental genes are often re-used in surprising tissues in the adult, suggesting new functions. The homologues of many human genetic disease loci show selective expression in Drosophila tissues with function analogous to the affected tissues in the cognate human disease, providing a useful filter for potential candidate genes.

ORGANISM(S): Drosophila melanogaster

PROVIDER: GSE7763 | GEO | 2007/06/21

SECONDARY ACCESSION(S): PRJNA99895

REPOSITORIES: GEO

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Project description:Pilotexp_IMAC_TiO2_eluate_ATM_ATR_dep_phos_15min_postIR: Proteins were isolated from 4 different conditions of Arabidopsis thaliana plants: wild type untreated, wild type irradiated, atm/atr mutant untreated, atm/atr mutant irradiated The proteins were tryptically digested and labelled each with one channel ofthe iTRAQ4plex reagent. The samples were mixed and subjected to phosphopeptide enrichment by IMAC followed by TiO2. The enriched phosphopeptides were separated by SCX and each fraction was analysed by nano-reversed phase HPLC coupled online to a LTQ Orbitrap Velos. Each peptide was fragmented both by CID (MSA) and HCD, using the iontrap-MS analyser for CID and the Orbitrap detector for HCD scans. IMAC_TiO2_eluate_ATM_ATR_dep_phos_15min_postIR: Proteins were isolated from 4 different conditions of Arabidopsis thaliana plants: wild type untreated, wild type irradiated, atm/atr mutant untreated, atm/atr mutant irradiated The proteins were tryptically digested and labelled each with one channel ofthe iTRAQ4plex reagent. The samples were mixed and subjected to phosphopeptide enrichment by IMAC followed by TiO2. The enriched phosphopeptides were separated by SCX and each fraction was analysed by nano-reversed phase HPLC coupled online to a LTQ Orbitrap Velos. Each peptide was fragmented both by CID (MSA) and HCD, using the iontrap-MS analyser for CID and the Orbitrap detector for HCD scans. IMAC_TiO2_FT_ATM_ATR_dep_phos_15min_postIR: Proteins were isolated from 4 different conditions of Arabidopsis thaliana plants: wild type untreated, wild type irradiated, atm/atr mutant untreated, atm/atr mutant irradiated The proteins were tryptically digested and labelled each with one channel ofthe iTRAQ4plex reagent. The samples were mixed and subjected to phosphopeptide enrichment by IMAC followed by TiO2. The unphosphorylated peptides found in the flowthrough of the TiO2 column were separated by SCX and each fraction was analysed by nano-reversed phase HPLC coupled online to a LTQ Orbitrap Velos. Each peptide was fragmented both by CID and HCD, using the iontrap-MS analyser for CID and the Orbitrap detector for HCD scans. The iTRAQ ratio obtained for the unmodified peptides from this flowthrough sample was used to calculate protein ratios for the 4 different conditions.

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Using FlyAtlas to identify better Drosophila models of human disease

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