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Fungi from marine sponges: diversity, biological activity and secondary metabolites
A high proportion of culture extracts of sponge-associated fungi was biologically active in tests to detect antifungal, antialgal, and antibacterial activity, cytotoxicity and inhibition of reverse-transcriptase and tyrosine kinase. Expand
Antioxidant Activity of Hawaiian Marine Algae
Results show, for the first time, that numerous Hawaiian algae exhibit significant antioxidant activity, a property that could lead to their application in one of many useful healthcare or related products as well as in chemoprevention of a variety of diseases including cancer. Expand
Biological activities of cyanobacteria: evaluation of extracts and pure compounds.
A total of 80 lipophilic and hydrophilic extracts obtained from 20 samples of cultured freshwater and terrestrial cyanobacteria were investigated for their biological activities. Of all the extracts,Expand
Evaluation of selected Sudanese medicinal plants for their in vitro activity against hemoflagellates, selected bacteria, HIV-1-RT and tyrosine kinase inhibitory, and for cytotoxicity.
Ethnobotanical investigations led to the selection of 19 plant species, used traditionally in Sudan against malaria and other similar tropical diseases, for further studies, and extracts of different parts possessed significant activity against chloroquine-sensitive Plasmodium falciparum strain. Expand
Five new prenylated p-hydroxybenzoic acid derivatives with antimicrobial and molluscicidal activity from Piper aduncum leaves.
Five new prenylated benzoic acid derivatives were isolated from the dried leaves of Piper aduncum L. (Piperaceae) and displayed significant antibacterial activities. Expand
Laurencia rigida: chemical investigations of its antifouling dichloromethane extract.
From the CH2Cl2 extract of the temperate marine red alga, Laurencia rigida, which has antifouling properties, eight sesquiterpenes were isolated and four were shown to be new natural products. Expand
Secondary Metabolites of Flustra foliacea and Their Influence on Bacteria
The North Sea bryozoan Flustra foliacea was investigated to determine its secondary metabolite content and the antagonistic effect on N-acyl-homoserine lactone-dependent quorum-sensing systems was investigated. Expand
Ascosalipyrrolidinone A, an antimicrobial alkaloid, from the obligate marine fungus Ascochyta salicorniae.
The endophytic and obligate marine fungus Ascochyta salicorniae was isolated and found to produce the unprecedented and structurally unusual tetramic acid containing metabolites ascosalipyrrolidinones A and B, which has antiplasmodial activity and inhibiting tyrosine kinase p56lck. Expand
New halogenated furanones from the marine alga delisea pulchra (cf. fimbriata)
Abstract An investigation of the natural products chemistry of the red alga Delisea pulchra , collected from the Cape Banks, New South Wales, Australia, yielded eight new polyhalogenated furanones (Expand