Chemical and biological characterisation of sapinopyridione, a phytotoxic 3,3,6-trisubstituted-2,4-pyridione produced by Sphaeropsis sapinea, a toxigenic pathogen of native and exotic conifers, and its derivatives (Articolo in rivista)

Type
Label
  • Chemical and biological characterisation of sapinopyridione, a phytotoxic 3,3,6-trisubstituted-2,4-pyridione produced by Sphaeropsis sapinea, a toxigenic pathogen of native and exotic conifers, and its derivatives (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.phytochem.2006.03.017 (literal)
Alternative label
  • Evidente, A.; Fiore, M.; Bruno, G.; Sparapano, L.; Motta, A.; (2006)
    Chemical and biological characterisation of sapinopyridione, a phytotoxic 3,3,6-trisubstituted-2,4-pyridione produced by Sphaeropsis sapinea, a toxigenic pathogen of native and exotic conifers, and its derivatives
    in Phytochemistry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Evidente, A.; Fiore, M.; Bruno, G.; Sparapano, L.; Motta, A.; (literal)
Pagina inizio
  • 1019 (literal)
Pagina fine
  • 1028 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 67 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#descrizioneSinteticaDelProdotto
  • Isolamento e caratterizzazione di molecole fitotossiche con potenziale attività biologiche. (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Antonio Evidente a, Michele Fiore a, Giovanni Bruno b, Lorenzo Sparapano b, Andrea Motta c a Dipartimento di Scienze del Suolo, della Pianta e dell'Ambiente, Università di Napoli Federico II, I-80055 Portici, Italy b Dipartimento di Biologia e Patologia Vegetale, Università di Bari, I-70126 Bari, Italy c Istituto di Chimica Biomolecolare del CNR, Comprensorio Olivetti, Edificio 70, Via Campi Flegrei 34, I-80078 Pozzuoli, Italy (literal)
Titolo
  • Chemical and biological characterisation of sapinopyridione, a phytotoxic 3,3,6-trisubstituted-2,4-pyridione produced by Sphaeropsis sapinea, a toxigenic pathogen of native and exotic conifers, and its derivatives (literal)
Abstract
  • A phytotoxic trisubstituted 2,4-pyridione, named sapinopyridione, was isolated from the culture filtrates of Sphaeropsis sapinea, a fungal pathogen of conifers occurring world-wide. Three strains were isolated from two cypress species. Strain D-55 isolated from Cupressus sempervirens resulted high producer of sapinopyridione (12.3 mg l-1), whereas strain D-54 isolated from the same cypress species was low producer (1.1 mg l-1); strain D-50 isolated from C. macrocarpa was intermediate producer (5.4 mg l-1). Sapinopyridione was characterised by spectroscopic and chemical methods, as the 6-methyl-2-(2-methyl-1-oxobutyl)-1-oxa-5-azaspiro[2.5]oct-6-ene-4,8-dione. The structure was supported by the preparation of three key derivatives, whose phytotoxic and antimycotic activities were also tested on host plants and on three Seiridium species, virulent fungal agents of cypress canker disease. Some structure-activity relationships were identified for both phytoxicity and antifungal activities. These activities appear related to the presence of both pyridione and oxiran rings. In addition, the carbonyl group of the side chain seems to play a role into impart activity. (literal)
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Insieme di parole chiave di
data.CNR.it