Specificity of bacterial symbionts in Mediterranean and Great Barrier Reef sponges |
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| Authors: | Clive R Wilkinson Madeleine Nowak Brian Austin Rita R Colwell |
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| Institution: | (1) Laboratoire d'Histologie et Biologie Tissulaire, Université Claude Bernard, 69622 Villeurbanne, France;(2) Department of Microbiology, University of Maryland, 20742 College Park, Maryland, USA;(3) Present address: Australian Institute of Marine Science, PMB 3, 4810 Townsville, M.S.O., Queensland, Australia;(4) Present address: Fish Diseases Laboratory, DT4 8UB Weymouth, Dorset, England |
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| Abstract: | Bacteria were isolated from marine sponges from the Mediterranean and the Great Barrier Reef and characterized using numerical taxonomy techniques. A similar sponge-specific bacterial symbiont was found in 9 of 10 sponges examined from both geographic regions. This symbiont occurred in sponges of two classes and seven orders, and it probably has been associated with sponges over a long geological time scale. Another symbiont apparently specific to the spongeVerongia aerophoba was found. This sponge is yellow-orange, similar in color to the bacterial symbiont. These symbionts are two of a large mixed bacterial population present in many sponges.This paper constitutes No. V in the series Microbial Associations in Sponges. |
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