Flygut: an atlas of the Drosophila adult midgut

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Home Overview of gut regions Anatomy Histology Transgene expression mapping Gene expression
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Gene name ast
Flybase description The gene asteroid is referred to in FlyBase by the symbol Dmel\ast (CG4426, FBgn0015905).
Expression data along the gut
    Crop Cardia/R1 R2 R3 R4 R5 Hindgut Full gut
    Ratio gene/RPL42 -10.4636 -6.2098 -7.495377 -9.2672 -11.053087 -9.0341 -10.38107 -11.365534
    Affimetrix absolute value 5.022 4.99 5.274 5.251 5.327 5.391 5.192 4.802
    Affymetric present call in "x" number of chips 3 2 2 3 1 3 3 2
Intestinal gene expression in different physiological conditions
Ecc15: flies orally infected with Erwinia carotovora carotovora 15.
Pe: flies orally infected with Pseudomonas entomophila.
Pe gacA: flies orally infecte with Pseudomonas entomophila gacA.
For methods and description, see Buchon et al. 2009, Cell Host Microbe, and Chakrabarti et al. 2012, Cell Host Microbe.
Gene details (from Flybase) It is a protein_coding_gene from Drosophila melanogaster.
Its molecular function is unknown.
There is experimental evidence that it is involved in the biological process: larval somatic muscle development; epidermal growth factor receptor signaling pathway; compound eye photoreceptor fate commitment; imaginal disc-derived wing vein morphogenesis; imaginal disc-derived wing morphogenesis; compound eye morphogenesis.
35 alleles are reported.
The phenotypes of these alleles are annotated with 11 unique terms, many of which group under: organ system; organ system subdivision; adult segment; thoracic segment; adult; hypodermal muscle of larval abdomen; external compound sense organ; region of integument; larval abdominal segment; embryonic/larval hypodermal muscle.
It has one annotated transcript and one annotated polypeptide.
Summary of modENCODE Temporal Expression Profile: Temporal profile ranges from a peak of moderately high expression to a trough of low expression.
Peak expression observed within 00-06 hour embryonic stages.