Surfactin-like structures of five cyclic depsipeptides from the marine isolate ofBacillus pumilus |
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| Authors: | N I Kalinovskaya T A Kuznetsova Ya V Rashkes Yu M Mil'grom E G Mil'grom R H Willis A I Wood H A Kurtz C Carabedian P Murphy G B Elyakov |
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| Institution: | (1) The Pacific Institute of Bioorganic Chemistry of Far-Eastern Branch of the Russian Academy of Sciences, 159 prosp. 100-Letiya Vladivostoka, 690022 Vladivostok, Russian Federation;(2) The Institute of the Chemistry of Plant Sources, Uzbek Academy of Sciences, 77 prosp. Akad. H. Abdullaeva, 700170 Tashkent, Uzbekistan;(3) Australian Institute of Marine Sciences, PMB No 3, Townsville M. C. Qld., 4810, Australia;(4) Chemistry Department, University of Puget Sound, 98416 Tacoma, WA, USA |
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| Abstract: | Five cyclic depsipeptides with molecular masses of 1007, 1021, 1021, 1035, and 1035 were obtained fromBacillus pumilus KMM 150 associated with Australian marine spongeIrcinia sp. Their structures were assigned by mass spectrometric techniques (high-resolution fast atom bombardment and electron impact mass spectrometry), chemical modification, and extensive spectroscopic analysis, including several types of two-dimensional NMR.Deceased.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 5, pp. 979–983, May, 1995.The authors are grateful to Dr. V. V. Mikhailov, the Head of the Laboratory of marine microbiology of PIBC of the Far-Eastern Branch of the RAS, and to Dr. E. P. Ivanova for isolation, systematic determination, and cultivation of the strain KMM 150. The authors are also thankful to T. I. Zykova for carrying out the fermentative hydrolysis of peptide4c. |
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| Keywords: | lipopeptides fatty acids cyclic depsipeptides surfactin Bacillus pumilus marine spongeIrcinia sp |
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