Regulation of α-amylase activity in Amaranthus caudatus seeds by methyl jasmonate, gibberellin A3, benzyladenine and ethylene

被引：13

作者：

Bialecka, B ^{[1
]}

Kepczynski, J ^{[1
]}

机构：

[1] Univ Szczecin, Dept Plant Physiol, PL-71415 Szczecin, Poland

来源：

PLANT GROWTH REGULATION | 2003年 / 39卷 / 01期

关键词：

Amaranthus caudatus seeds; alpha-amylase; benzyladenine; ethephon; ethylene; germination; gibberellin; A(3); 2,5-norbornadiene;

D O I：

10.1023/A:1021801504749

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Methyl jasmonate (JA-Me) at 10(-3) M inhibited Amaranthus caudatus seed germination and decreased alpha-amylase activity. Exogenous gibberellin A(3) (GA(3)) and ethylene, but not benzyladenine (BA), increased activity of the enzyme in the presence of JA-Me, with ethylene being the most effective. The inhibitor of ethylene action, 2,5-norbornadiene (NBD) inhibited seed germination and decreased alpha-amylase activity. The inhibitory action of JA-Me on Amaranthus caudatus seed germination is associated with the inhibition of alpha-amylase activity. Exogenous GA(3) and ethylene control both alpha-amylase activity and seed germination in the presence of JA-Me.

引用

页码：51 / 56

页数：6

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