Andreas Rose Lehrstuhl Boeckh Institut fuer Zoologie Universitaet Regensburg Universitaetsstr. 31 D-93041 Regensburg Germany fax: +49.941.943.3304 email: andreas.rose at biologie.uni-regensburg.de * | Visit BioMOO, the virtual meeting place for biologists. | Telnet: bioinformatics.weizmann.ac.il 8888 *