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

Chanan Itai, Hans Meidner

Research output: Contribution to journalArticlepeer-review

12 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 languageEnglish
Pages (from-to)765-770
Number of pages6
JournalJournal of Experimental Botany
Volume29
Issue number3
DOIs
StatePublished - 1 Jun 1978
Externally publishedYes

ASJC Scopus subject areas

  • Physiology
  • Plant Science

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