细胞壁降解酶在落叶松-杨栅锈菌与寄主互作过程中的作用

doi:10.11707/j.1001-7488.20080516

Scientia Silvae Sinicae ›› 2008, Vol. 44 ›› Issue (5): 79-83.doi: 10.11707/j.1001-7488.20080516

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Role of Cell Wall Degrading Enzymes in Interaction of Poplar and Melampsora laricipopulina

Tian Chengming¹,Zhao Peng²,Cao Zhimin^2

(1.The Key Laboratory for Silviculture and Conservation of Ministry of Education,Beijing Forestry University Beijing 100083; 2.College of Forestry, Northwest A & F University Yangling 712100)

Received:2006-11-15 Revised:1900-01-01 Online:2008-05-25 Published:2015-04-22

Abstract

Abstract:

The activities of cell walldegrading enzymes in poplar cultivars infected by Melampsora laricipopulinawere studied. The results showed that PMG, PMTE, C-X and β-glucosidase played roles during infection. After inoculation, the activity of PMG in both susceptible and resistant cultivars had two peak values respectively in 2 dpi and 5 dpi. The activities of PMTE and βglucosidase had their peak values in 3dpi, and C-X in 2 dpi. The activities of PMG and PMTE were higher while the activities of C-X and β-glucosidase were relatively lower. Activities of these cell walldegrading enzymes were significant higher in susceptible cultivars than those in resistant cultivars. The results suggested that these cell walldegrading enzymes played certain roles in infection of M. larici populina.

Key words: Melampsora laricipopulina, cell walldegrading enzymes, poplar

Tian Chengming;Zhao Peng;Cao Zhimin. Role of Cell Wall Degrading Enzymes in Interaction of Poplar and Melampsora laricipopulina[J]. Scientia Silvae Sinicae, 2008, 44(5): 79-83.

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Role of Cell Wall Degrading Enzymes in Interaction of Poplar and Melampsora laricipopulina

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