Geodia

Capon, R.J. Skene, C. Lac, E. Gill, J.H. Wadsworth, D. Friedel, T. (1999) Geodin A magnesium salt a novel nematocide from a southern Australian marine sponge, Geodia. J. Nat. Prod., 62,1256-9. 

Tinto WF, Lough AJ, McLean S, Reynolds WF, Yu M, Chan WR (1998) Geodiamolides H and I, Further Cyclodepsipeptides from the Marine Sponge Geodia sp. Tetrahedron 54 4451... 

Lidgren G, Bohlin L, Bergman J (1986) Studies of Swedish Marine Organisms VII. A Novel Biologically Active Indole Alkaloid from the Sponge Geodia baretti. Tetrahedron Lett 27 3283... 

Sjogren M, Goransson U, Johnson A-L, Dahlstrom M, Andersson R, Bergman J, Jonsson PR, Bohlin L (2004) Antifouling Activity of Brominated Cyclopeptides from the Marine Sponge Geodia barretti. J Nat Prod 67 368... 

A lipophilic tripeptide, janolusimide (342), was isolated from the Mediterranean nudibranch Janolus cristatus and was found to be toxic to mice (260). From the Swedish sponge Geodia baretti barettin, a cyclic polypeptide, was isolated and found to show inhibiting activity on electrically induced contractions of isolated guinea pig ileum (261). Barettin is composed of dehydro-6-bromotryptophan and proline. The initial proposed... 

Methyl-2 -deoxycytidine (437) and 3-methyl-2 -deoxyuridine (438) were isolated from the Swedish sponge Geodia baretti. Compound 437 exhibits strong contractile activity in the isolated guinea pig ileum assay, whereas 438 had no effect on contractions (356). Thymidine-5 -carboxylic acid (439) and 2 -deoxyuridine-5 -carboxylic acid (440), which were previously known only as synthetic products, were found in extracts of the ascidian Aplidium fuscum of the East Pyrenean coast (357). 

Muller, W. E., and Schacke, H. (1996). Characterization of the receptor protein-tyrosine kinase gene from the marine sponge Geodia cydonium. fVog. Mol Subcell Biol 17, 183-208. 

Exiguamide. Uy and co-workersreported a new spirocyclic sesquiterpene, exigua-mide (123) from the marine sponge Geodia exigua that required the use of HMBC data to confirm the structure. The presence of the formylamino group was... 

Gamulin, V. Skorokhod, A. Kavsan, V. Miiller, I.M. Miiller, W.E. Experimental indication in favor of the introns-late theory the receptor tyrosine kinase gene from the sponge Geodia cydonium. J. Mol. Evol., 44, 242-252 (1997)... 

Schacke, H. Rinkevich, B. Gamulin, V. Muller, I.M. Muller, W.E. Immunoglobulin-like domain is present in the extracellular part of the receptor tyrosine kinase from the marine sponge Geodia cydonium. J. Mol. Recog-nit., 7, 273-276 (1994)... 

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