Isolation of an elicitor from Rhizoctonia solani, the rice sheath blight pathogen which activates phenylpropanoid metabolism in suspension-cultured rice cells

被引：0

作者：

Velazhahan, R ^{[1
]}

Vidhyasekaran, P ^{[1
]}

机构：

[1] Tamil Nadu Agr Univ, Dept Plant Pathol, Coimbatore 641003, Tamil Nadu, India

来源：

ZEITSCHRIFT FUR PFLANZENKRANKHEITEN UND PFLANZENSCHUTZ-JOURNAL OF PLANT DISEASES AND PROTECTION | 2000年 / 107卷 / 02期

关键词：

Rhizoctonia solani; elicitor; rice cells; phenylalanine ammonia-lyase; 4-coumarate; CoA ligase; phenolics;

D O I：

暂无

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A high molecular weight elicitor fi action has been isolated from the mycelial walls of Rhizoctonia solani, the rice sheath blight pathogen. It appears to Le a glycoprotein. The elicitor preparation induced the activities of phenylalanine ammonia-lyase (PAL) and 4-coumarate : CoA ligase (4CL) in suspension-cultured rice cells and the maximum increase was observed wit hin 12 h after elicitor treatment. Following increase of the first and last enzymes of phenylpropanoid pathway, phenolic content in the suspension-cultured rice cells increased to a maximum at 24 h after elicitor treatment. A co-ordinated increase in PAL and 4CL activities with a concomitant increase in phenolic content in cultured cells of rice due to an elicitor treatment is reported.

引用

页码：135 / 144

页数：10

共 44 条

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