4α-methyl sterols from the sponges Haliclona cinerea and Haliclona flavescens

Comparative Biochemistry and Physiology - B Biochemistry and Molecular Biology

Volumn 118, Issue 1, 1997, Pages 155-157

  Elenkov, Ivaylo ^a   Dragova, Boryana ^a   Andreev, Stoitze ^a   Popov, Simeon ^a  

^a BULGARIAN ACADEMY OF SCIENCES   (Bulgaria)

Author keywords

4 methyl sterols; Black Sea sponges; Food webs; GC MS; Haliclona cinerea; Haliclona flavescens; Porifera

Indexed keywords

STEROL DERIVATIVE;

ARTICLE; BULGARIA; FOOD CHAIN; LIPID ANALYSIS; LIPID COMPOSITION; NONHUMAN; PRIORITY JOURNAL; SPONGE (PORIFERA);

EID: 0030830922     PISSN: 03050491     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0305-0491(97)00029-1     Document Type: Article

References (9)

1. Bird, C.W.; Lynch, J.M.; Pirt, F.J.; Reid, W.W.; Brooks, C.J.W.; Middleditch, B.S. Steroids and squalene in Methylococcus capsulatus grown on methane. Nature 230:473-474; 1971.
2. De Leeuw, J.W.; Rijpstra, W.I.C.; Schenck, P.A. Free, esterified and residual bound sterols in Black Sea Unit I sediments. Geochim. Cosmochim. Acta 47:455-465;1983.
3. Djerassi, C.; Silva, C.J. Sponge sterols: Origin and biosynthesis. Ace. Chem. Res. 24:371-378;1991.
4. Elenkov, I.; Milkova, T.; Andreev, S.; Popov, S. Sterol composition and biosynthesis in the Black Sea sponge Dysidea fragilis. Comp. Biochem. Physiol. 107B:547-551;1994.
5. Knap, F.F., Jr.; Schroepfer, J., Jr. Chemical synthesis, spectral properties, and chromatography of 4•-methyl and 4•-methyl isomers of (24R)-24-methyl-5•-cholestan-3•-ol and (24S)-24-ethyl-cholesta-5,22-dien-3•-ol. Steroids 26:339-357;1975.
6. Popov, S.; Carlson, R.; Wegmann, A.; Djerassi, C. Minor and trace sterols in marine invertebrates. 1. General methods for analysis. Steroids 28:699-731;1976.
7. 3H]-squalene. Comp. Biochem. Physiol. 101B:255-268;1992.
8. Tam Ha, T.B.; Kokke, W.C.M.C.; Djerassi, C. Minor sterols in marine invertebrates. 37. Isolation of novel coprostanols and 4•-methyl sterols from the tunicate Ascicia nigra. Steroids 40:433-453;1982.
9. 7,9(11) unsaturated marine sterol. Steroids 39:675-680;1982.