Heterosigma-glycolipids I and II, two new galactolipids containing octadecatetraenoyl and eicosapentaenoyl residues, from a raphidophyte dinoflagellate Heterosigma sp.
نویسندگان
چکیده
منابع مشابه
Broad Salinity Tolerance as a Refuge from Predation in the Harmful Raphidophyte Alga Heterosigma akashiwo (Raphidophyceae).
The ability of harmful algal species to form dense, nearly monospecific blooms remains an ecological and evolutionary puzzle. We hypothesized that predation interacts with estuarine salinity gradients to promote blooms of Heterosigma akashiwo (Y. Hada) Y. Hada ex Y. Hara et M. Chihara, a cosmopolitan toxic raphidophyte. Specifically, H. akashiwo's broad salinity tolerance appears to provide a r...
متن کاملPersistent Intra-Specific Variation in Genetic and Behavioral Traits in the Raphidophyte, Heterosigma akashiwo
Motility is a key trait that phytoplankton utilize to navigate the heterogeneous marine environment. Quantifying both intra- and inter-specific variability in trait distributions is key to utilizing traits to distinguish groups of organisms and assess their ecological function. Because examinations of intra-specific variability are rare, here we measured three-dimensional movement behaviors and...
متن کاملMitochondrial Genome Sequences of Four Strains of the Bloom-Forming Raphidophyte Heterosigma akashiwo
We report here the complete mitochondrial genome sequences of four strains of bloom-forming raphidophytes from Heterosigma akashiwo These 39-kb sequences contain 42 protein-, two rRNA-, and 26 tRNA-coding sequences. Notable sequence variations were observed among these four newly sequenced and three previously characterized strains, suggesting their potential usage as strain-specific markers.
متن کاملChloroplast Genome Sequences of Seven Strains of the Bloom-Forming Raphidophyte Heterosigma akashiwo
We report here the complete chloroplast genome sequences of seven strains of the bloom-forming raphidophyte Heterosigma akashiwo These ~160-kb sequences contain 124 protein-, 6 rRNA-, and 34 tRNA-coding sequences. Notable sequence variations were observed among these seven sequenced and two previously characterized strains.
متن کاملEffects of salinity structure on swimming behavior and harmful algal bloom formation in Heterosigma akashiwo, a toxic raphidophyte
The formation of toxic surface blooms of the motile raphidophyte Heterosigma akashiwo often occurs too quickly to be attributed to cell reproduction. Rapid appearance of surface blooms is more consistent with the hypothesis that a dispersed cell population aggregates at the surface due to a combination of physical factors and swimming behavior. Because of the frequent association of Heterosigma...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1989
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.37.849