2003
DOI: 10.1021/np0204390
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Trichodermamides A and B, Cytotoxic Modified Dipeptides from the Marine-Derived Fungus Trichoderma virens

Abstract: Trichodermamides A (1) and B (2), two modified dipeptides, have been isolated from cultures of the marine-derived fungus Trichoderma virens. The trichodermamides possess a rare cyclic O-alkyl-oxime functionality incorporated into a six-membered ring. The structure of trichodermamide B was established by X-ray diffraction analysis, while the structure assignment of trichodermamide A, and determination of the absolute stereochemistry, was accomplished by spectral and chemical methods. Trichodermamide B displayed… Show more

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Cited by 174 publications
(120 citation statements)
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“…The structure of 28 was established by X-ray diffraction analysis while the structure assignment of 27 and the determination of the absolute stereochemistry was accomplished by means of spectral and chemical methods. Compound 28 displayed significant in vitro cytotoxicity against HCT-116 human colon carcinoma with an IC 50 (inhibitor concentration yielding 50% inhibition) of 0.32 lg/ml while 27 was found to have a weak cytotoxic effect on three cancer cell lines P388, A-549, and HL-60 (Garo et al 2003;Liu et al 2005a). …”
Section: Trichodermamidesmentioning
confidence: 99%
“…The structure of 28 was established by X-ray diffraction analysis while the structure assignment of 27 and the determination of the absolute stereochemistry was accomplished by means of spectral and chemical methods. Compound 28 displayed significant in vitro cytotoxicity against HCT-116 human colon carcinoma with an IC 50 (inhibitor concentration yielding 50% inhibition) of 0.32 lg/ml while 27 was found to have a weak cytotoxic effect on three cancer cell lines P388, A-549, and HL-60 (Garo et al 2003;Liu et al 2005a). …”
Section: Trichodermamidesmentioning
confidence: 99%
“…7 Considering the small amount isolated of both esculetin-4-carboxylic acid methyl ester and ethyl ester, it is reasonable to suggest a microbial origin for such compounds, although the occurrence of coumarin derivatives in fungi and bacteria has not been frequently observed. 8 Metabolites bearing a coumarin moiety have been isolated from the marine fungus Trichoderma virens 9 and from the marine ascomycete Leptosphaeria oraemaris. 10 The isolation of plant-related metabolites from sponges is rare.…”
Section: Resultsmentioning
confidence: 99%
“…JBIR-81 (239) and JBIR-82 (240) showed protective activity against L -glutamate toxicity in N18-RE-105 cells with EC 50 values of 0.7 and 1.5 μM, respectively, which are much more effective than a representative antioxidant, α-tocopherol (Izumikawa et al 2010). Trichodermamide B (241) appeared cytotoxic to HCT116 cells with an IC 50 value of 0.32 μg/mL (0.71 μM) (Garo et al 2003).…”
Section: Peptidesmentioning
confidence: 99%