From owner-dros@hgmp.mrc.ac.uk Wed Sep 13 17:52:10 2000 Return-Path: Received: by mercury.hgmp.mrc.ac.uk (Postfix, from userid 110) id 2AC7917B8A; Wed, 13 Sep 2000 17:52:09 +0100 (BST) Received: by mercury.hgmp.mrc.ac.uk (Postfix, from userid 6020) id 0C70C17B84; Wed, 13 Sep 2000 17:52:06 +0100 (BST) Received: by mercury.hgmp.mrc.ac.uk (Postfix, from userid 6024) id 339FF17B73; Wed, 13 Sep 2000 15:51:19 +0100 (BST) Received: from n.ruf.uni-freiburg.de (n.ruf.uni-freiburg.de [132.230.1.8]) by mercury.hgmp.mrc.ac.uk (Postfix) with ESMTP id 3DFD5415CF for ; Wed, 13 Sep 2000 15:51:18 +0100 (BST) Received: (from inn@localhost) by n.ruf.uni-freiburg.de (8.9.3+Sun/8.9.1) id QAA08277 for bionet-drosophila@net.bio.net; Wed, 13 Sep 2000 16:51:17 +0200 (MET DST) To: bionet-drosophila@net.bio.net From: Martin Hoehne Newsgroups: bionet.drosophila Subject: larvae turning black? Organization: Rechenzentrum der Universitaet Freiburg, Germany Message-ID: <39BF9463.4F6870BC@biologie.uni-freiburg.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.07C-SGI [en] (X11; I; IRIX64 6.5 IP30) Date: Wed, 13 Sep 2000 17:52:06 +0100 (BST) Sender: owner-dros@hgmp.mrc.ac.uk Precedence: bulk Hello everybody, did anyone ever observe larvae that turned black? They are obviously dead and the blackening starts at the anterior end and progresses to the posterior end. One of the first things turning black seem to be the salivary glands. Is this due to contamination with a fungus? Bacteria? Or a strange mutation? Any help would be appreciated, Martin Fischbach Lab Freiburg University, Germany marthoe@biologie.uni-freiburg.de .