Isolation and characterization of the orchid cytokinin oxidase DSCKX1 promoter

被引：17

作者：

Yang, SH ^{[1
]}

Yu, H ^{[1
]}

Goh, CJ ^{[1
]}

机构：

[1] Natl Univ Singapore, Fac Sci, Dept Biol Sci, Plant Growth & Dev Lab, Singapore 119260, Singapore

来源：

JOURNAL OF EXPERIMENTAL BOTANY | 2002年 / 53卷 / 376期

关键词：

cytokinin oxidase; orchid; regulation;

D O I：

10.1093/jxb/erf055

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The orchid DSCKX1 is a new member of the cytokinin oxidase gene family, which catalyses the degradation of cytokinins bearing unsaturated isoprenoid side chains. A 3.7 kb fragment upstream of the DSCKX1 coding region was isolated, sequenced and characterized by deletion analysis of DSCKX1::beta-glucuronidase gene fusions using transient orchid and stable Arabidopsis transformation systems. Functional analysis of 5' deletions defined the 5'-upstream region that directs the expression in distinct tissues. Regulatory elements affecting the cytokinin induction of the DSCKX1 gene have also been delineated.

引用

页码：1899 / 1907

页数：9

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