Functional epidermal cells are necessary for abscisic acid effects on guard cells

Chanan Itai; Hans Meidner

doi:10.1093/jxb/29.3.765

Functional epidermal cells are necessary for abscisic acid effects on guard cells

Chanan Itai, Hans Meidner

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Experimental results are presented which show that abscisic acid (ABA) causes stomatal closure only if the stomatal complex is adjacent to live epidermal cells. It is further shown that ABA acts by affecting solute fluxes into and out of epidermal and guard cells. Live epidermal cells function as recipients for solutes and thereby assist their movement out of the guard cells. ABA-mediated solute leakage from guard cells alone does not suffice to cause stomatal closure within one hour.

Original language	English
Pages (from-to)	765-770
Number of pages	6
Journal	Journal of Experimental Botany
Volume	29
Issue number	3
DOIs	https://doi.org/10.1093/jxb/29.3.765
State	Published - 1 Jun 1978
Externally published	Yes

ASJC Scopus subject areas

Physiology
Plant Science

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title = "Functional epidermal cells are necessary for abscisic acid effects on guard cells",

abstract = "Experimental results are presented which show that abscisic acid (ABA) causes stomatal closure only if the stomatal complex is adjacent to live epidermal cells. It is further shown that ABA acts by affecting solute fluxes into and out of epidermal and guard cells. Live epidermal cells function as recipients for solutes and thereby assist their movement out of the guard cells. ABA-mediated solute leakage from guard cells alone does not suffice to cause stomatal closure within one hour.",

author = "Chanan Itai and Hans Meidner",

note = "Funding Information: Financial support from the S.R.C. for a Senior Visiting Fellowship is hereby gratefully acknowledged.",

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PY - 1978/6/1

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N2 - Experimental results are presented which show that abscisic acid (ABA) causes stomatal closure only if the stomatal complex is adjacent to live epidermal cells. It is further shown that ABA acts by affecting solute fluxes into and out of epidermal and guard cells. Live epidermal cells function as recipients for solutes and thereby assist their movement out of the guard cells. ABA-mediated solute leakage from guard cells alone does not suffice to cause stomatal closure within one hour.

AB - Experimental results are presented which show that abscisic acid (ABA) causes stomatal closure only if the stomatal complex is adjacent to live epidermal cells. It is further shown that ABA acts by affecting solute fluxes into and out of epidermal and guard cells. Live epidermal cells function as recipients for solutes and thereby assist their movement out of the guard cells. ABA-mediated solute leakage from guard cells alone does not suffice to cause stomatal closure within one hour.

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Functional epidermal cells are necessary for abscisic acid effects on guard cells

Abstract

ASJC Scopus subject areas

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