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Chemical ecology of the Antarctic nudibranch Bathydoris hodgsoni Eliot, 1907: defensive role and origin of its natural products.
TLDR
To test this defensive hypothesis for hodgsonal, a series of experiments using the sympatric omnivorous seastar Odontaster validus Koehler, 1906 as a potential predator revealed that natural concentrations of hodGsonal elicit significant feeding deterrent responses in O. validus. Expand
Enhanced Protein Thermostability by Ala --> Aib Replacement
TLDR
The results of this study indicate that the rational incorporation of Aib into a polypeptide chain can be a general procedure to significantly stabilize proteins. Expand
First chemical study of patagonian nudibranchs: A new seco-11, 12-spongiane, tyrinnal, from the defensive organs of tyrinna nobilis
TLDR
The Patagonian nudibranch Tyrinna nobilis contains a number of terpenoids, the novel seco-11,12-spongiane tyrinnal and the known sesquiterpenoids dendrolasin, pallescensin A, and dehydropallescens in-2, thus suggesting a parallelism between the ecological relationships of T.nobilis and those of mollusks of genus Cadlina. Expand
Neoclerodane diterpenoids from teucrium massiliense
TLDR
Four new neoclerodane derivatives, teumassilenins A-D, together with all the diterpenoids previously reported as constituents of Teucrium massiliense L. allowed the isolation of four new diterpene metabolites of this plant. Expand
Labelling of the indole nucleus of tryptophan at the 2-position.
TLDR
2-Thioaryl-indole derivatives with a propionic acid side chain at the 3-position are converted by one equivalent of N-bromosuccinimide in bicarbonate solution to lactones, which upon reduction with NaBH4 give indole-propionic acid derivatives (or 2-labelled compounds thereof). Expand
Effect of Melaleuca Alternifolia and Its Components on Candida Albicans and Candida Tropicalis
The essential oil of Melaleuca alternifolia is an herbal antifungal action and preventive scale pharmaceutical or cosmetic. The aim of this study was to evaluate the efficacy of MelaleucaExpand
New cyclic polyketide peroxides from okinawan marine sponge plakortis sp
Three new cyclic peroxides (2-4) have been isolated from the Okinawan marine sponge Plakortis sp., and the structures were elucidated by extensive spectroscopic analyses. The absoluteExpand
Volvatellin, caulerpenyne-related product from the sacoglossan volvatella sp
Volvatellin (4) is a highly unstable terpene isolated from the extracts of the Indian opisthobranch mollusk Volvatella sp. The structure and the relative stereochemistry of 4 were determined by NMRExpand
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