S. Kehraus

Publications131
h-index32
Citations2,807
Highly Influential Citations125
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The experimental power of FR900359 to study Gq-regulated biological processes
Despite the discovery of heterotrimeric αβγ G proteins ∼25 years ago, their selective perturbation by cell-permeable inhibitors remains a fundamental challenge. Here we report that the plant-derived… Expand
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Decoding Signaling and Function of the Orphan G Protein–Coupled Receptor GPR17 with a Small-Molecule Agonist
Activation of GPR17 prevents oligodendrocyte maturation and reveals that inhibiting GPR17 may be a therapeutic strategy to treat multiple sclerosis. Overcoming a Myelination Maturity Block… Expand
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Antiprotozoal activities of heterocyclic-substituted xanthones from the marine-derived fungus Chaetomium sp.
Investigations of the marine-derived fungus Chaetomium sp. led to the isolation of the new natural products chaetoxanthones A, B, and C (1-3). Compounds 1 and 2 are substituted with a… Expand
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Natural Products from Marine Organisms and Their Associated Microbes
The marine environment is distinguished by unique groups of organisms being the source of a wide array of fascinating structures. The enormous biodiversity of marine habitats is mirrored by the… Expand
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Antimicrobial phenalenone derivatives from the marine-derived fungus Coniothyrium cereale.
The marine-derived fungus Coniothyrium cereale was isolated from the green alga Enteromorpha sp. and found to produce the new phenalenone derivatives 1-7 as well as the known compounds lactone 8, (-)… Expand
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In vitro chemopreventive potential of fucophlorethols from the brown alga Fucus vesiculosus L. by anti-oxidant activity and inhibition of selected cytochrome P450 enzymes.
Within a project focusing on the chemopreventive potential of algal phenols, two phloroglucinol derivatives, belonging to the class of fucophlorethols, and the known fucotriphlorethol A were obtained… Expand
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Evaluation of quantitative methods for the determination of polyphenols in algal extracts.
Marine brown algae such as Ascophyllum nodosum and Fucus vesiculosus accumulate polyphenols composed of phloroglucinol units. These compounds are of ecological importance and, due to their… Expand
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Potential cancer chemopreventive in vitro activities of monomeric xanthone derivatives from the marine algicolous fungus Monodictys putredinis.
Investigation of the fungal strain Monodictys putredinis isolated from the inner tissue of a marine green alga led to the isolation of four new monomeric xanthones and a benzophenone. All structures… Expand
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Epoxyphomalin A and B, prenylated polyketides with potent cytotoxicity from the marine-derived fungus Phoma sp.
Chemical investigation of a strain of the marine-derived fungus Phoma sp. has led to the discovery of epoxyphomalin A (1) and B (2), two new prenylated polyketides with unusual structural features.… Expand
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Seasonal variation of polyphenolics in Ascophyllum nodosum (Phaeophyceae)
Thalli of the brown alga Ascophyllum nodosum were collected on the Scottish west coast and the phlorotannin content was measured once a month between January and December 2005. Due to the potential… Expand
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