Cellular differentiation regulated by gibberellin in the Arabidopsis thaliana pickle mutant
- Carnegie Institution of Washington, Stanford, CA (United States)
- Univ. of California, Berkeley, CA (United States)
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, Arabi-dopsis 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. 19 refs., 3 figs., 1 tab.
- OSTI ID:
- 570199
- Journal Information:
- Science, Vol. 277, Issue 5322; Other Information: PBD: 4 Jul 1997
- Country of Publication:
- United States
- Language:
- English
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