The phytoalexins from cauliflower, caulilexins A, B and C: Isolation, structure determination, syntheses and antifungal activity

被引：48

作者：

Pedras, M. Soledade C. ^{[1
]}

Sarwar, Mohammed G. ^{[1
]}

Suchy, Mojmir ^{[1
]}

Adio, Adewale M. ^{[1
]}

机构：

[1] Univ Saskatchewan, Dept Chem, Saskatoon, SK S7N 5C9, Canada

来源：

PHYTOCHEMISTRY | 2006年 / 67卷 / 14期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Brassica oleracea; Cruciferae; brassicanal C synthesis; brassitin; cauliflower; crucifer; Leptosphaeria maculans; 1-methoxyindolyl-3-acetonitrile; Phoma lingam; phytoalexin; spirobrassinin;

D O I：

10.1016/j.phytochem.2006.05.020

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Our continuous search for phytoalexins from crucifers led us to examine phytoalexin production in florets of cauliflower (Brassica oleracea var. botrytis) under abiotic (UV light) elicitation. Four known (isalexin, S-(-)-spirobrassinin, 1-methoxybrassitin, brassicanal C) and three new (caulilexins A-C) phytoalexins were isolated. The syntheses and antifungal activity of caulilexins A-C against the economically important pathogenic fungi Leptosphaeria maculans, Rhizoctonia solani and Sclerotinia sclerotiorum, and the first synthesis of brassicanal C are reported. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：1503 / 1509

页数：7

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