Cellular differentiation regulated by gibberellin in the Arabidopsis thaliana pickle mutant

被引：256

作者：

Ogas, J ^{[1
]}

Cheng, JC ^{[1
]}

Sung, ZR ^{[1
]}

Somerville, C ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY,DEPT PLANT BIOL,BERKELEY,CA 94720

来源：

SCIENCE | 1997年 / 277卷 / 5322期

关键词：

D O I：

10.1126/science.277.5322.91

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The plant growth regulator gibberellin (GA) has a profound effect on shoot development and promotes developmental transitions such as flowering. Little is known about any analogous effect GA might have on root development. In a screen for mutants, Arabidopsis plants carrying a mutation designated pickle (pkl) were isolated in which the primary root meristem retained characteristics of embryonic tissue. Expression of this aberrant differentiation state was suppressed by GA. Root tissue from plants carrying the pkl mutation spontaneously regenerated new embryos and plants.

引用

页码：91 / 94

页数：4

共 29 条

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