Institution: | a Microbiology and Tumorbiology Centre, Karolinska Institutet, Box 280, 171 77 Stockholm, Sweden b Dunstaffnage Marine Laboratory, Oban, Argyll, Scotland PA 37 1QA, UK c Integrin Advanced Biosystems, Marine Resource Centre, Barcaldine, Oban, Argyll, Scotland PA 37 1SE, UK |