Inhibitory effect of bacterial ubiquinones on the settling of barnacle,Balanus amphitrite |
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Authors: | K Kon-ya N Shimidzu N Otaki A Yokoyama K Adachi W Miki |
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Institution: | (1) Shimizu Laboratories, Marine Biotechnology Institute (MBI), 1900 Sodeshi, 424 Shimizu, Shizuoka, (Japan) |
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Abstract: | In an attempt to clarify the influence of marine bacteria on the settling of fouling invertebrate larvae, we screened for inhibitors, produced by marine bacteria, of settling by cyprids of the barnacle,Balamus amphitrite. We found that the culture broth ofAlteromonas sp. strain number KK10304, which was associated with the marine sponge,Halichondria okadai, effectively inhibited settling of the cyprids. Bioassay-guided isolation indicated ubiquinone-8 (1) as an effective inhibitor of cyprid settling. As ubiquinones are widely distributed in bacteria, several related compounds were also tested. |
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Keywords: | Settlement inhibitor barnacle ubiquinone sponge Halichondria okadai sponge associated bacteria Alteromonas sp |
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