bromoalterochromides a and a', unprecedented chromopeptides from a marine pseudoalteromonas maricaloris strain kmm 636t.the marine strain pseudoalteromonas maricaloris kmm 636t was found to produce an inseparable mixture of two brominated yellow main pigments, bromoalterochromide a and a', in a ratio of 3: 1. both pigments are thr-val-asn-asn-x pentapeptide lactones, where the amino group of thr is acylated with 9-(3-bromo-4-hydroxyphenyl)-nona-2,4,6,8-tetraenoic acid, and x is aile and leu, respectively. they possess cytotoxic effects on developing eggs of the sea urchin strongylocentrotus intermedius, but no an ...200717390587
controlling production of brominated cyclic depsipeptides by pseudoalteromonas maricaloris kmm 636t.this study aims at evaluating the impact of the nutrient medium components on the in vitro production of the cytotoxic alterochromides.200515752212
pseudoalteromonas maricaloris sp. nov., isolated from an australian sponge, and reclassification of [pseudoalteromonas aurantia] ncimb 2033 as pseudoalteromonas flavipulchra sp. nov.a marine, gram-negative, aerobic bacterium that produced cytotoxic, lemon-yellow, chromopeptide pigments that inhibited the development of sea urchin eggs has been isolated from the australian sponge fascaplysinopsis reticulata hentschel. the cells of the organism were rod-shaped with a single polar flagellum and they required nacl for growth (0.5-10%) with optimum growth at 1-3% nacl. the temperature for growth was 10-37 degrees c, with optimum growth at 25-30 degrees c. growth occurred at ph v ...200211837311
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