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 trk
Flybase description The gene trunk is referred to in FlyBase by the symbol Dmel\trk (CG5619, FBgn0003751).
Expression data along the gut
    Crop Cardia/R1 R2 R3 R4 R5 Hindgut Full gut
    Ratio gene/RPL42 -24.4683 -19.3652 -29.735514 -16.131 -40.725195 -17.7219 -24.98561 -30.260794
    Affimetrix absolute value 3.804 3.361 3.311 4.396 3.411 4.428 3.908 3.377
    Affymetric present call in "x" number of chips 0 0 0 1 0 3 1 0
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.
It is reported to have molecular function: torso binding.
There is experimental evidence that it is involved in the biological process: torso signaling pathway; terminal region determination.
23 alleles are reported.
The phenotypes of these alleles are annotated with 17 unique terms, many of which group under: multicellular structure; abdominal ventral denticle belt; organ system; epithelial furrow; embryonic segment; organ system subdivision; integumentary specialisation; embryonic abdomen; abdominal segment 7; mouthpart; abdominal segment 10; spiracle.
It has one annotated transcript and one annotated polypeptide.
Protein features are: Noggin.
Summary of modENCODE Temporal Expression Profile: Temporal profile ranges from a peak of moderate expression to a trough of very low expression.
Peak expression observed within 00-06 hour embryonic stages, in adult female stages.