Ethylene is a positive regulator of root hair development in Arabidopsis thaliana

Ethylene is a positive regulator of root hair development in Arabidopsis thaliana Evidence is provided that ethylene is a positive regulator of hair cell development in the root epidermis of Arabidopsis thaliana. Treatment of seedlings with increasing concentrations of the ethylene precursor, 1‐aminocyclopropane‐1‐carboxylic acid (ACC) results in progressively more root hair cells developing in positions normally occupied by non‐hair cells. Consistent with these findings are observations that treatments that block either ethylene synthesis or its perception reduce the number of root hairs. A model is proposed in which either ethylene or ACC is a signal involved in specifying the pattern of cell differentiation in the Arabidopsis root epidermis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Plant Journal Wiley

Ethylene is a positive regulator of root hair development in Arabidopsis thaliana

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Publisher
Wiley
Copyright
Copyright © 1995 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0960-7412
eISSN
1365-313X
DOI
10.1046/j.1365-313X.1995.8060943.x
Publisher site
See Article on Publisher Site

Abstract

Evidence is provided that ethylene is a positive regulator of hair cell development in the root epidermis of Arabidopsis thaliana. Treatment of seedlings with increasing concentrations of the ethylene precursor, 1‐aminocyclopropane‐1‐carboxylic acid (ACC) results in progressively more root hair cells developing in positions normally occupied by non‐hair cells. Consistent with these findings are observations that treatments that block either ethylene synthesis or its perception reduce the number of root hairs. A model is proposed in which either ethylene or ACC is a signal involved in specifying the pattern of cell differentiation in the Arabidopsis root epidermis.

Journal

The Plant JournalWiley

Published: Dec 1, 1995

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