Journal
PHYCOLOGICAL RESEARCH
Volume 59, Issue 4, Pages 286-294Publisher
WILEY
DOI: 10.1111/j.1440-1835.2011.00628.x
Keywords
cyanobacteria; cyanopeptides; Woronichinia naegeliana
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Nineteen compounds isolated from field samples of cyanobacteria Woronichinia naegeliana (Unger) Elenkin were identified. They fell into four classes of peptides: cyanopeptolins (cyanopeptolin B, cyanopeptolin C, cyanopeptolin D, cyanopeptolin 880, micropeptin 88D, micropeptin 478- B, micropeptin SD999, micropeptin T2, planktopeptin BL1061), microginins (microginin 478, microginin 757, microginin 51A, microginin 91E, microginin FR3, microginin FR4), anabaenopeptins (oscillamide B) and possibly microcystins (trace amounts of microcystin-LR) showing respectively fragment patterns in their electrospray ion source- MS spectra. The molecular masses of the determined peptides range from 700 to 1100 Da. These results confirm the remarkable ability of cyanobacteria to synthesize a wide array of peptides.
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