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Titolo:
Very-long-chain fatty acid biosynthesis is inhibited by cafenstrole, N,N-diethyl-3-mesitylsulfonyl-1H-1,2,4-triazole-1-carboxamide and its analogs
Autore:
Takahashi, H; Ohki, A; Kanzaki, M; Tanaka, A; Sato, Y; Matthes, B; Boger, P; Wakabayashi, K;
Indirizzi:
Univ Konstanz, Lehrstuhl Physiol & Biochem Pflanzen, D-78457 Constance, Germany Univ Konstanz Constance Germany D-78457 nzen, D-78457 Constance, Germany Tamagawa Univ, Grad Sch Agr Sci, Machida, Tokyo 1948610, Japan Tamagawa Univ Machida Tokyo Japan 1948610 , Machida, Tokyo 1948610, Japan Chugai Pharmaceut Co Ltd, Regulatory Affairs Dept, Chuo Ku, Tokyo 1048301,Japan Chugai Pharmaceut Co Ltd Tokyo Japan 1048301 huo Ku, Tokyo 1048301,Japan Showa Pharmaceut Univ, Machida, Tokyo 1948843, Japan Showa Pharmaceut Univ Machida Tokyo Japan 1948843 a, Tokyo 1948843, Japan
Titolo Testata:
ZEITSCHRIFT FUR NATURFORSCHUNG C-A JOURNAL OF BIOSCIENCES
fascicolo: 9-10, volume: 56, anno: 2001,
pagine: 781 - 786
SICI:
0939-5075(200109/10)56:9-10<781:VFABII>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
HIGHER-PLANTS; CHLOROACETAMIDES; TARGET;
Keywords:
cafenstrole; rice herbicide; very-long-chain fatty acids;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Boger, P Univ Konstanz, Lehrstuhl Physiol & Biochem Pflanzen, D-78457 Constance, Germany Univ Konstanz Constance Germany D-78457 8457 Constance, Germany
Citazione:
H. Takahashi et al., "Very-long-chain fatty acid biosynthesis is inhibited by cafenstrole, N,N-diethyl-3-mesitylsulfonyl-1H-1,2,4-triazole-1-carboxamide and its analogs", Z NATURFO C, 56(9-10), 2001, pp. 781-786

Abstract

The rice herbicide cafenstrole and its analogs inhibited the incorporationof [1-C-14]-oleate and [2-C-14]-malonate into very-long-chain fatty acids (VLCFAs), using Scenedesmus cells and leek microsomes from Allium porrum. Although the precise mode of interaction of cafenstrole at the molecular level is not completely clarified by the present study, it is concluded that cafenstrole acts as a specific inhibitor of the microsomal elongase enzyme involved in the biosynthesis of fatty acids with alkyl chains longer than C-18. For a strong VLCFA biosynthesis inhibition an -SO2- linkage of the 1,2,4-triazole-1-carboxamides was required. Furthermore, NN-dialkyl substitution of the carbamoyl nitrogen and electron-donating groups such as methyl at the benzene ring of 1,2,4-triazole-1-carboxamides produced a strong inhibition of VLCFA formation. A correlation was found between the phytotoxic effect against barnyardgrass (Echinochloa oryzicola) and impaired VLCFA formation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 10/07/20 alle ore 12:46:21