Subject: Re: FlyBase Query (cy1375) The BamHI site was introduced in ccgcaggaTccaaatccc, 64bp downstream of the tatabox of YP1. So it's an YP1 promoter fusion. .. Jean-Marc \------------------------- >Hi, > >Thanks for your reply. I just have one point I need to clarify. > >So you have used a the piece of genomic DNA from between the YP1 and >YP2 genes. Does this fragment have exon 1 of just YP1 or both? If it >has both, which gene was fused to the GAL4 i.e. which gene is the BamHI >site located in? > > > A BamHI site was introduced 64bp downstream of the tatabox of the YP1 > > gene (LOCUS DMYOLK1 1677 bp DNA INV > > 07-NOV-1997 > > DEFINITION Drosophila intergenic spacer and exon 1 from YPI and >YPII gene for > > yolk protein. ACCESSION X01524 M11170, prom Yolk-prot1). .. >Chihiro. Subject: Re: FlyBase Query (cy1375) >Hi Chihiro, Sorry for the delay, but you know how it is...The Gal4 line was constructed here. A BamHI site was introduced 64bp downstream of the tatabox of the YP1 gene (LOCUS DMYOLK1 1677 bp DNA INV 07-NOV-1997 DEFINITION Drosophila intergenic spacer and exon 1 from YPI and YPII gene for yolk protein. ACCESSION X01524 M11170, prom Yolk-prot1). This Hind3-BamHI(new) fg. was fused to BamHI site 5' of the Gal4 coding region of pGATB (Brand & Perrimon) . The whole fusion was cloned into pCasPer as an EcoRI-NotI 4192bp fg. and injected. The sequence of the yolk casper vector is available. I can send it to you or people can ask it from me. The expression is fat body in female only which is what I was looking for. By the way, I received a lot of requests for this line and I'm still amplifying it before giving it away. I think that I will send it to Bloomington. Hope this helps... Don't hesitate to contact me if needed.. Take care Jean-Marc \-------------------- >Hiya Jean Marc, > >I'm currently curating: > >Vidal et al., 2001, Genes Dev. 15(15): 1900--1912 > >In this paper Vidal et al. use a GAL4 line they call yolk-GAL4, for >which they cite you as the source. We don't have a GAL4 line with that >name. Can you identify this line? Has it been published before? If >so under what name? If not, can you give me some details about this >line. For example; Is it an enhancer trap? What gene is it inserted >into? Any new information you give us will be curated as a personal >communication from you to FlyBase. > >Thanks > >Chihiro > >---------------------------------------------------------------------- >Chihiro Yamada. > >FlyBase (Cambridge), >---------------------------------------------------------------------- Jean-Marc REICHHART UPR 9022 CNRS IBMC 15, rue Rene Descartes 67084 \- Strasbourg Cedex FRANCE