Changes of enzyme activity during pollen germination in maize, and possible evidence of lignin synthesis

被引：12

作者：

Liu, ZH

Ger, MJ

机构：

[1] Department of Biology, Institute of Life Sciences, National Sun Yat-Sen University, Kaohsiung

来源：

AUSTRALIAN JOURNAL OF PLANT PHYSIOLOGY | 1997年 / 24卷 / 03期

关键词：

lignification; peroxidases; pollen; Zea mays L;

D O I：

10.1071/PP96015

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

During pollen germination in Zea mays L., the activity of phenylalanine ammonia-lyase and peroxidases increased, accompanied by a decline of phenolic compounds. Levels of IAA decreased dramatically as the pollen germinated, and this decline was correlated with enhanced IAA oxidation activity by IAA oxidase in the germinated pollen. The cationic peroxidase isozymes (pI 9.0) with estimated molecular mass of 45 kDa may be involved in Lignin polymerisation in the pollen cell wall.

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页码：329 / 335

页数：7

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