Comparison of the fatty acids of the tunicateBotryllus schlosseri from the Black Sea with two associated bacterial strains |
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Authors: | Néstor M. Carballeira Fathi Shalabi Kamen Stefanov Krassimir Dimitrov Simeon Popov Athanas Kujumgiev Stoitze Andreev |
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Affiliation: | (1) Department of Chemistry, University of Puerto Rico, P.O. Box 23346, 00931-3346 San Juan, Puerto Rico;(2) Institute of Organic Chemistry with Center of Phytochemistry, Bulgarian Academy of Sciences, 1000 Sofia, Bulgaria;(3) Institute of Microbiology, Bulgarian Academy of Sciences, 1000 Sofia, Bulgaria;(4) Museum of Natural History, Bulgarian Academy of Sciences, 1000 Sofia, Bulgaria |
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Abstract: | The fatty acid composition of the tunicateBotryllus schlosseri and of two bacterial strains found within the tunicate, namelyVibrio parahaemolyticus and of an associated but previously unreported gram positive cocci were studied. The polyunsaturated fatty acids 6,9,12-octadecatrienoic acid, 5,8,11,14,17-eicosapentaenoic acid, and 4,7,10,13,16,19-docosahexaenoic acid were particularly abundant inB. schlosseri and were not detected in the two bacterial strains found in the tunicate. Theiso/anteiso pair, 13-methyltetradecanoic acid and 12-methyltetradecanoic acid, were the principal fatty acids in the gram positive cocci, and the 9- and 11-hexadecenoic acids were particulary abundant inV. parahaemolyticus. The diunsaturated fatty acid 9,12-octadecadienoic acid was also shown to be present inV. parahaemolyticus. The fatty acid composition of a third bacterial strain, characterized as either aPseudomonas or anAlteromonas species, and shown to be present only in the sea water from the Black Sea and not inB. schlosseri, is also reported. This is the first investigation on fatty acids from Black Sea bacteria. |
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