From owner-drosophila@net.bio.net Mon May 29 23:00:00 1995 Path: biosci!daresbury!bioftp.unibas.ch!citi2.fr!jussieu.fr!univ-lyon1.fr!ghost.dsi.unimi.it!ictpsp10.ictp.trieste.it!sol4!krishnan From: Krishnan Balaji Newsgroups: bionet.drosophila Subject: Re: help with food Date: Tue, 30 May 1995 19:09:59 +0200 Organization: ICTP-Trieste-Italy Lines: 23 Message-ID: References: <3pq067$rld@mserv1.dl.ac.uk> NNTP-Posting-Host: sol4.ictp.trieste.it Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII In-Reply-To: <3pq067$rld@mserv1.dl.ac.uk> Dear John, 1. do not keep the media in the cold room for 4 days. Instead pour it in the afternoon and use it immediately. 2. Use sucrose and glucose as the sugars. 3. Add some yeast granules before putting the flies into the vial for egg-laying. 4. Till you get say 25-30 flies as the progenyof the first inoculation, keep the flies in the media for egg-laying upto 5-6 days. 5. use as many as 25 flies for bottle culture and 5-10 flies for vial culture. That's it. Also refer the book. "Drosophila - A practical approach" by D.B. Roberts. IRL press if you want more details. Hope you find the sugggestions valuable. PERMANENT ADDRESS Balaji Krishnan Mol. Bio. Unit. Homi Bhabha Road, TIFR, Colaba Bombay - 400 005. INDIA E-mail: Balajik@tifrvax.tifr.res.in .