Authors: GEHRING C A IRVING H R McCONCHIE R PARISH R W
Publish Date: 1997/10/01
Volume: 80, Issue: 4, Pages: 485-489
Abstract
C A GEHRING H R IRVING R McCONCHIE R W PARISH Jasmonates Induce Intracellular Alkalinization and Closure of Paphiopedilum Guard Cells Annals of Botany Volume 80 Issue 4 October 1997 Pages 485–489 https//doiorg/101006/anbo19970471Jasmonates jasmonic acid or methyl jasmonate promote stomatal closure in Paphiopedilum Supersuk RHS 1973 and P tonsum Rchbf Stein Studies on guard cells loaded with pH dependent fluorescent dyes show that jasmonates cause intracellular alkalinization of up to 05 pH units within 5 to 15 min Jasmonateinduced alkalinization always preceded stomatal closure and where alkalinization was not detected no closure occurred Propionic acid inhibited jasmonateinduced stomatal closure suggesting that jasmonateinduced intracellular alkalinization is involved in guard cell movementsSchool of Botany La Trobe University Bundoora Melbourne Victoria 3083 Australia Department of Pharmaceutical Biology and Pharmacology Victorian College of Pharmacy Monash University 381 Royal Parade Parkville Melbourne Victoria 3052 Australia
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