A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Dataset mE_MB8_gene_predictions

General Information
Name mE_MB8_gene_predictions Species D. melanogaster
Dataset type predicted_gene_model_set FlyBase ID FBlc0000285
Source & Content
Consists of
Predicted transcripts and corresponding protein-coding regions.
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Strain
Stage & tissue
Cell Line
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Description
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This section contains items that were added to this record for each release. It currently only tracks new links between this FlyBase report and other FlyBase data classes (e.g. genes, references, stocks) or controlled vocabulary terms (e.g. GO, anatomy terms).
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This section does not currently display links that were removed or gene model changes.
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FB2013_03
FB2013_02
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Description
Genome annotation is done in cycles consisting of gene prediction, target selection and RT-PCR sequencing of the targets. The gene prediction programs used are N-SCAN (Brent Lab) and Contrast (Sam Gross), both of which use conservation and transcription evidence. Before each round of gene prediction, new cDNAs and ESTs are downloaded from GenBank, and are clustered using the PASA pipeline developed by Brian Haas at TIGR. These clusters are then converted to an 'EST evidence track' that can be used by the program. Similarly, a conservation track is created from alignments of 'informant' species to the target genome. Predicted transcripts (models) are classified as 'supported', 'partially supported', and 'novel' based on overlap with transcripts. If all splice sites of a transcript model are present in cDNAs, this transcript is supported. Transcripts with no supported splice sites are novel. Novel and partially supported genes are targeted for PCR on reverse transcribed RNA from one or multiple tissues. Primers are designed around unsupported splices. If a spliced sequence results from the PCR it is submitted to GenBank (whether or not it supports the transcript model) and it becomes part of the EST/cDNA download for the next round of gene predictions. The cycles are numbered and prefixed "DMG".
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Reported As
Symbol Synonym
MB8 gene models
mE_MB8_gene_predictions
 
new transcript models
Secondary FlyBase IDs
    hide References ( 2 )
    Research paper
    Graveley et al., 2011, Nature 471(7339): 473--479
    The developmental transcriptome of Drosophila melanogaster. [FBrf0213330]
    Supplementary material
    Graveley et al., 2011, Nature 471(7339):
    Supplementary Table 34: modENCODE transcript models. [FBrf0213556]