Cellular Differentiation Regulated by Gibberellin in the Arabidopsis Thaliana Pickle Mutant

Overview

Journal Science

Specialty Science

Date 1997 Jul 4

PMID 9204906

Citations 126

Authors

J Ogas

J C Cheng

Z R Sung

C Somerville

Affiliations

Soon will be listed here.

Abstract

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.

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