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 Peritrophin-A
Flybase description The gene Peritrophin A is referred to in FlyBase by the symbol Dmel\Peritrophin-A (CG17058, FBgn0022770).
Expression data along the gut
    Crop Cardia/R1 R2 R3 R4 R5 Hindgut Full gut
    Ratio gene/RPL42 -36.1464 -4.7195 -38.600691 -46.1538 -56.982272 -51.767 -40.98187 -26.695198
    Affimetrix absolute value 3.239 5.4 2.911 2.862 2.929 2.869 3.194 3.514
    Affymetric present call in "x" number of chips 0 3 0 0 0 0 0 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.
Based on sequence similarity, it is predicted to have molecular function: chitin binding; structural constituent of peritrophic membrane.
An electronic pipeline based on InterPro domains suggests that it is involved in the biological process: chitin metabolic process.
5 alleles are reported.
No phenotypic data is available.
It has 3 annotated transcripts and 3 annotated polypeptides.
Protein features are: Chitin binding domain.
Summary of modENCODE Temporal Expression Profile: Temporal profile ranges from a peak of very high expression to a trough of very low expression.
Peak expression observed within 12-18 embryonic stages, at stages throughout the larval period, during late pupal stages.
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