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Acremines A-F, novel secondary metabolites produced by a strain of an endophytic Acremonium, isolated from sporangiophores of Plasmopara viticola in grapevine leaves |
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| Authors: | Gemma Assante Luciana Malpezzi Santella Burruano |
| Institution: | a Istituto di Patologia Vegetale, Università degli Studi, via Celoria 2, 20133 Milano, Italy b Dipartimento di Scienze Molecolari Agroalimentari, Università degli Studi, via Celoria 2, 20133 Milano, Italy c Dipartimento di Chimica, Materiali ed Ingegneria Chimica ‘Giulio Natta’ del Politecnico, CNR-Istituto di Chimica del Riconoscimento Molecolare, Sezione ‘Adolfo Quilico’; via Mancinelli 7, 20131 Milano, Italy d Dipartimento S.EN.FI.MI.O, Università degli Studi, Viale delle Scienze 13, 20128 Palermo, Italy |
| Abstract: | Six novel metabolites, acremines A-F have been isolated from agar cultures of a strain of Acremonium sp. Their structures and stereochemistry were elucidated using a combination of 13C and 1H homo and heteronuclear 2D NMR experiments and X-ray analysis. Acremines A-D inhibited the germination of sporangia of Plasmopara viticola. |
| Keywords: | Acremonium Plasmopara viticola Acremine Isolation Natural product NMR X-ray analysis |
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