Identification of phytotoxins from Botryosphaeria obtusa, a pathogen of black dead arm disease of grapevine

被引：66
|
作者：
Djoukeng, Jules Desire [3 ]
Polli, Suzanna [3 ]
Larignon, Philippe [2 ]
Abou-Mansour, Eliane [1 ,3 ]
机构：
[1] Univ Fribourg, Dept Plant Biol, CH-1700 Fribourg, Switzerland
[2] Inst Francais de la Vigne & du Vin, Unite Rhone Mediterranee, F-30230 Rodilhan, France
[3] Univ Neuchatel, Inst Biol, CH-2009 Neuchatel, Switzerland
来源：
EUROPEAN JOURNAL OF PLANT PATHOLOGY | 2009年 / 124卷 / 02期
关键词：
Black dead arm; Botryosphaeria obtusa; Grapevine disease; Isocoumarins; Melleins; Phytotoxins; BOTRYTIS-CINEREA; ASPERGILLUS-OCHRACEUS; RESVERATROL; FUNGUS; 4-HYDROXYMELLEIN; METABOLITES;
D O I：
10.1007/s10658-008-9419-6
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
A bioassay-guided fractionation of a culture filtrate of Botryosphaeria obtusa led to the isolation of four dihydroisocoumarins, named mellein 1, 4-hydroxymellein 2, 7-hydroxymellein 3 and the new 4,7-dihydroxymellein 4. LC-UV-DAD-MS analysis of vine wood infected by B. obtusa revealed the presence of mellein (1). Botryosphaeria obtusa was also able to oxidise wood delta -resveratrol into the dimer delta-viniferin. The structures of isolated phytotoxins were established on the basis of IR, MS, 1D and 2D NMR.
引用
收藏
页码：303 / 308
页数：6
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