Phytoanticipins from banana (Musa acuminata cv. Grande Naine) plants, with antifungal activity against Mycosphaerella fijiensis, the causal agent of black Sigatoka

被引：13
|
作者：
Cruz-Cruz, Carlos A. [1 ]
Ramirez-Tec, Gerardo [1 ]
Garcia-Sosa, Karlina [1 ]
Escalante-Erosa, Fabiola [1 ]
Hill, Lionel [2 ]
Osbourn, Anne E. [3 ]
Pena-Rodriguez, Luis M. [1 ]
机构：
[1] Ctr Invest Cient Yucatan, Unidad Biotecnol, Merida 97200, Yucatan, Venezuela
[2] John Innes Inst, Metab Serv, Norwich NR4 7UH, Norfolk, England
[3] John Innes Inst, Dept Metab Biol, Norwich NR4 7UH, Norfolk, England
来源：
EUROPEAN JOURNAL OF PLANT PATHOLOGY | 2010年 / 126卷 / 04期
关键词：
Black Sigatoka; Diosgenin; Musa acuminata; Mycosphaerella fijiensis; Phytoanticipins; Saponins; PHYTOALEXINS; METABOLISM; RESISTANCE; DEFENSE;
D O I：
10.1007/s10658-009-9561-9
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The previously detected antifungal activity against Mycosphaerella fijiensis of aqueous infusions of healthy banana (Musa acuminata cv. Grande Naine) leaves, suggested the production of phytoprotectants by the plant. The bioassay-guided VLC-purification of the lyophilized infusion of the leaves of 4-month old healthy banana (M. acuminata cv. Grande Naine) plants, resulted in the purification of a phytoanticipin with strong antifungal activity against M. fijiensis Morelet, the causal agent of black Sigatoka, the most destructive and devastating disease of bananas and plantains in the world. The LC-MS analysis of the purified phytoanticipin suggests a steroidal saponin structure with four sugar units attached to the C-3 position of a diosgenin-like aglycone. This represents the first report of phytoanticipins occurring in M. acuminata.
引用
收藏
页码：459 / 463
页数：5
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