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Echinobase
ECB-ART-36165
Mol Cell Biol 1993 Jun 01;136:3641-9. doi: 10.1128/mcb.13.6.3641-3649.1993.
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The Drosophila erect wing gene, which is important for both neuronal and muscle development, encodes a protein which is similar to the sea urchin P3A2 DNA binding protein.

DeSimone SM , White K .


Abstract
The erect wing (ewg) locus of Drosophila melanogaster encodes a vital function important for the development of the nervous system and the indirect flight muscles. In order to understand the ewg function at a molecular level, cDNA clones were isolated. Sequence analysis of cDNAs revealed a single open reading frame (ORF) encoding a protein of 733 residues. The translational start for this ORF is a CTG codon. A 225-amino-acid region of this protein is 71% identical to the DNA binding region of the Strongylocentrotus purpuratus P3A2 DNA binding protein. Additionally, the ORF contains large acidic and basic domains characteristic of those in proteins involved in nuclear regulatory functions. Immunoblot analysis using polyclonal anti-EWG antisera generated against a bacterial fusion protein reveals a single, 116-kDa protein present throughout development, beginning at approximately stage 12 of embryogenesis, which is enriched in adult heads and absent from embryos carrying certain ewg alleles. Additionally, we show that EWG is localized specifically to the nuclei of virtually all embryonic neurons. Finally, a minigene consisting of an ewg cDNA under control of the hsp70 promoter can provide the ewg function in transgenic ewg mutant flies.

PubMed ID: 8388540
PMC ID: PMC359833
Article link: Mol Cell Biol
Grant support: [+]

Genes referenced: LOC100887844 LOC105439191 LOC115925415 LOC115929188 nrf1

References [+] :
Acland, Subcellular fate of the int-2 oncoprotein is determined by choice of initiation codon. 1990, Pubmed