Hydrobiologia The International Journal on Limnology and Marine Sciences Volume 461, 1 October 2001 Special Issue Microbial Aquatic Symbioses: from Phylogeny to Biotechnology Guest Editor J. Douglas McKenzie Preface vii—viii Photosymbiotic associations in planktonic foraminifera and radiolaria Rebecca J. Gast, David A. Caron Carrier of reduced sulfur is a possible role for thiotaurine in symbiotic species from hydrothermal vents with thiotrophic symbionts A.M. Pruski, R. De Wit, A. Fiala-Médioni Vertical transmission of cyanobacterial symbionts in the marine sponge Chondrilla australiensis (Demospongiae) Kayley M. Usher, John Kuo, Jane Fromont, David C. Sutton Ammonium metabolism in the symbiotic sea anemone Anemonia viridis J. M. Roberts, L. M. Fixter, P. S. Davies The symbiotic role of marine microbes on living surfaces Evelyn Armstrong, Liming Yan, Kenneth G. Boyd, Phillip C. Wright, J. Grant Burgess Microbial symbionts of the Australian Great Barrier Reef sponge, Candidaspongia flabellata Adam M. Burja, Russell T. Hill Symbiosis research at the end of the millenium D. C. Smith Sponge-microbe associations and their importance for sponge bioprocess engineering Ronald Osinga, Evelyn Armstrong, J. Grant Burgess, Friederike Hoffmann, Joachim Reitner, Gabriela Schumann-Kindel Inhibition of algal photosynthesis by a symbiotic coral A.J. Grant, M. Rémond, K.J.T. Withers, R. Hinde vi Are free amino acids responsible for the ‘host factor’ effects on symbiotic zooxanthellae in extracts of host tissue? Clayton B. Cook, Simon K. Davy Symbiotic dinoflagellates in marine Cnidaria: diversity and function M. S. Goodson, L. F. Whitehead, A. E. Douglas EKlectrlonic juournalws at ern"e Contact your librarian for more information