From owner-drosophila@net.bio.net Fri Jun 07 23:00:00 1996 Path: biosci!fly.erato.jrdc.go.jp!itokei From: itokei@fly.erato.jrdc.go.jp (ITO, Kei) Newsgroups: bionet.drosophila Subject: Re: Hsp70 Date: 8 Jun 1996 08:37:55 -0700 Organization: BIOSCI International Newsgroups for Molecular Biology Lines: 16 Sender: daemon@net.bio.net Distribution: world Message-ID: <9606081532.AC04770@fly.erato.jrdc.go.jp> NNTP-Posting-Host: net.bio.net > I'm trying to find a refrence on expression of the hsCasper >transformation vector. Does anyone know if it is inducible aby heatshock >during 0-3 hours of embryogenesis? By immunostaining, I don't see >expression of my transgene at this stage of embryonic developement; ... >Kathleen Clark It is common that the heat shock promoter doesn't work before cell formation. If you want to induce expression before the blastodermal stage (3 hr AEL) you should better look for other promoters, I think. ITO, Kei ERATO, at Mitsubishi-Kasei Institute of Life Sciences, 194 Machida-shi, MinamiOoya 11, Tokyo, Japan email : itokei@fly.erato.jrdc.go.jp .