期刊论文详细信息
FEBS Letters
Competitive interaction of three peroxidizing herbicides with the binding of [3H]acifluorfen to corn etioplast membranes
Mornet, René2  Magnin, Noël1  Scalla, René1  Matringe, Michel1  Varsano, Rina1 
[1] Laboratoire des Herbicides, INRA, BV 1540, 21034 Dijon, France;Laboratoire de chimie organique, Faculté des Sciences, 2 boulevard Lavoisier, 49045 Angers, France
关键词: Binding;    Diphenylether;    Herbicide;    Protoporphyrinogen oxidase;    DPE;    diphenylether(s);    AF;    acifluorfen 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acid;    DCMU;    3-(3;    4-dichlorophenyl)-1;    1-dimethylurea;   
DOI  :  10.1016/0014-5793(90)80459-V
学科分类:生物化学/生物物理
来源: John Wiley & Sons Ltd.
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【 摘 要 】

The specific binding of the herbicide acifluorfen 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acid to corn etioplast membranes is competitively inhibited by protoporphyrinogen IX, the substrate of protoporphyrinogen oxidase. Three other peroxidizing molecules, oxadiazon [5-ter-butyl-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazol-2-one], LS 82556 [(S)3-N-(methylbenzyl)carbamoyl-5-propionyl-2,6-lutidine], and M&B 39279 [5-amino-4-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazol], also compete with acifluorfen for its binding site. The four herbicides thus bind to the same site, or to closely located sites, on the enzyme protoporphyrinogen oxidase.

【 授权许可】

Unknown   

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