Occurrence of gorgosterol in diatoms of the genus Delphineis

Rampen, Sebastiaan W; Volkman, John K.; Hur, Sung Bum; Abbas, Ben; Schouten, Stefan; Jameson, Ian; Holdsworth, Daniel G.; Bae, Jean Hee; Damsté, Jaap S. Sinninghe

doi:10.1016/j.orggeochem.2008.09.002

Cited by 20 publications

(4 citation statements)

References 37 publications

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“…However, Volkman (2003) and more recently Rampen et al (2009) showed that these compounds are also present in several groups of microalgae. Sitosterol was more abundant than stigmasterol, 125 ± 58 ng/g and 25 ± 13 ng/g, respectively in this study.…”

Section: Sterolsmentioning

confidence: 99%

Sources and preservation of sedimentary organic matter in the Southern Bohai Sea and the Yellow Sea: Evidence from lipid biomarkers

Lin

Wang

Chen

et al. 2014

Marine Pollution Bulletin

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a b s t r a c tThe region of Southern Bohai Sea (SBS) and Yellow Sea (YS) represents one of the best examples of large river-dominated ocean margins. The transport and accumulation of sediments played a primary role in distribution of the lipids in the region and could lead to a preferential accumulation of these more refractory land-based lipids. The spatial distribution of total organic carbon (TOC) matched with the lipid distributions over the shelf, and high TOC presented in the central YS, but TOC burial fluxes decreased from 110 ton/km 2 /yr of SBS to 25-32 ton/km 2 /yr of YS. Good correlations were observed between terrestrial n-alkanes and TOC in the sediments of SBS and northern YS, but they were poor for southern YS, meanwhile higher ratios of nC27 + nC29 + nC31/nC15 + nC17 + nC19 (12 ± 6) were observed in SBS, and lower in YS (2.2 ± 1.0), suggesting the Yellow River discharge was an important source of terrestrial organic matter to the shelf.

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Section: Sterolsmentioning

confidence: 99%

Sources and preservation of sedimentary organic matter in the Southern Bohai Sea and the Yellow Sea: Evidence from lipid biomarkers

Lin

Wang

Chen

et al. 2014

Marine Pollution Bulletin

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“…The 1 H NMR spectrum of 8 (CDCl 3 , Table 2) showed an oxymethine signal at d H 4.30, several multiplets between d H 1.10 and 2.50, seven methyl signals (four doublets and three singlets) and four highly shielded signals ranging from d H -0.11 to 0.47. This pattern of signals was strongly reminiscent of sterols of the gorgosterol family [14], C 30 sterols commonly found in soft corals [7,19] but recently reported also from diatoms of the genus Delphineis [20]. These sterols are characterized by methylated C-23 and C-24 and by an additional methylene (C 29 ) involved in the formation of a cyclopropane ring with C 22 and C 23 .…”

Section: Resultsmentioning

confidence: 61%

Polyhydroxylated sterols from the Indonesian soft coral Sinularia sp. and their effect on farnesoid X-activated receptor

et al. 2012

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“…Steroids with such a side chain were first described from the gorgonian coral Plexaura flexuosa [43]. Later on, the so-called gorgosterols were isolated from marine sediments, diatoms and most importantly from dinoflagellate cultures [44–46]. Besides inhabiting the water column, dinoflagellates of the genus Symbiodinium live in symbiosis as the so named zooxanthellae with various soft corals, i.e., Sarcophyton spp.…”

Section: Discussionmentioning

confidence: 99%

Secondary metabolome and its defensive role in the aeolidoidean Phyllodesmium longicirrum, (Gastropoda, Heterobranchia, Nudibranchia)

Bogdanov¹,

Hertzer²,

Kehraus³

et al. 2017

Beilstein J. Org. Chem.

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Phyllodesmium longicirrum is the largest aeolidoidean species known to date, and extremely rich in terpenoid chemistry. Herein we report the isolation of a total of 19 secondary metabolites from a single specimen of this species, i.e., steroids 1–4, cembranoid diterpenes 5–13, complex biscembranoids 14 and 15, and the chatancin-type diterpenes 16–19. These compounds resemble those from soft corals of the genus Sarcophyton, of which to date, however, only S. trocheliophorum is described as a food source for P. longicirrum. Fish feeding deterrent activity was determined using the tropical puffer fish Canthigaster solandri, and showed activity for (2S)-isosarcophytoxide (10), cembranoid bisepoxide 12 and 4-oxochatancin (16). Determining the metabolome of P. longicirrum and its bioactivity, makes it evident that this seemingly vulnerable soft bodied animal is well protected from fish by its chemical arsenal.

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Occurrence of gorgosterol in diatoms of the genus Delphineis

Cited by 20 publications

References 37 publications

Sources and preservation of sedimentary organic matter in the Southern Bohai Sea and the Yellow Sea: Evidence from lipid biomarkers

Sources and preservation of sedimentary organic matter in the Southern Bohai Sea and the Yellow Sea: Evidence from lipid biomarkers

Polyhydroxylated sterols from the Indonesian soft coral Sinularia sp. and their effect on farnesoid X-activated receptor

Secondary metabolome and its defensive role in the aeolidoidean Phyllodesmium longicirrum, (Gastropoda, Heterobranchia, Nudibranchia)

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