Light-induced polar pH changes in leaves of Elodea canadensis. II. Effects of ferricyanide: evidence for modulation by the redox state of the cytoplasm

The effect of an extracellular electron acceptor, ferricyanide, on the light-induced polar leaf pH changes of the submerged angiosperm Elodea canadensis in light and in darkness was determined. The rate of transmembrane ferricyanide reduction was stimulated by increased light intensity and was inhib...

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Veröffentlicht in:Plant physiology (Bethesda) 1989-09, Vol.91 (1), p.68-72
Hauptverfasser: ELZENGA, J. T. M, PRINS, H. B. A
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PRINS, H. B. A
description The effect of an extracellular electron acceptor, ferricyanide, on the light-induced polar leaf pH changes of the submerged angiosperm Elodea canadensis in light and in darkness was determined. The rate of transmembrane ferricyanide reduction was stimulated by increased light intensity and was inhibited by inorganic carbon, indicating that changes in the redox state of the chloroplast were reflected at the plasma membrane. The addition of ferricyanide inhibited the light-induced polar leaf pH reaction. This effect could be balanced by increasing the light intensity. In the dark, the acidification induced by ferricyanide was not influenced by diethylstilbestrol at concentrations that completely inhibited the polar leaf pH changes. This indicates that the ferricyanide-induced H+ extrusion and the H+ transport during the polar reaction were mediated by different mechanisms.
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The addition of ferricyanide inhibited the light-induced polar leaf pH reaction. This effect could be balanced by increasing the light intensity. In the dark, the acidification induced by ferricyanide was not influenced by diethylstilbestrol at concentrations that completely inhibited the polar leaf pH changes. 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Psychology ; Guard cells ; helobiae ; hidrogeno ; hierro ; hojas ; hydrogen ; hydrogene ; ion ; iones ; ions ; iron ; Leaves ; light ; lumiere ; Luminous intensity ; luz ; Membranes and Bioenergetics ; Plant physiology and development ; Plants ; Plasma membrane and permeation ; polaridad ; polarite ; polarity ; Protons ; translocacion ; translocation</subject><ispartof>Plant physiology (Bethesda), 1989-09, Vol.91 (1), p.68-72</ispartof><rights>Copyright 1989 American Society of Plant Physiologists</rights><rights>1990 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/4272307$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/4272307$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,776,780,799,881,27901,27902,57992,58225</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=6617893$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16667045$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>ELZENGA, J. T. M</creatorcontrib><creatorcontrib>PRINS, H. B. A</creatorcontrib><creatorcontrib>Phytochemical Society of North America (USA). Meeting</creatorcontrib><creatorcontrib>University of Groningen, Haren, The Netherlands</creatorcontrib><title>Light-induced polar pH changes in leaves of Elodea canadensis. II. Effects of ferricyanide: evidence for modulation by the redox state of the cytoplasm</title><title>Plant physiology (Bethesda)</title><addtitle>Plant Physiol</addtitle><description>The effect of an extracellular electron acceptor, ferricyanide, on the light-induced polar leaf pH changes of the submerged angiosperm Elodea canadensis in light and in darkness was determined. The rate of transmembrane ferricyanide reduction was stimulated by increased light intensity and was inhibited by inorganic carbon, indicating that changes in the redox state of the chloroplast were reflected at the plasma membrane. The addition of ferricyanide inhibited the light-induced polar leaf pH reaction. This effect could be balanced by increasing the light intensity. In the dark, the acidification induced by ferricyanide was not influenced by diethylstilbestrol at concentrations that completely inhibited the polar leaf pH changes. This indicates that the ferricyanide-induced H+ extrusion and the H+ transport during the polar reaction were mediated by different mechanisms.</description><subject>Adenosine triphosphatases</subject><subject>Biological and medical sciences</subject><subject>Cell membranes</subject><subject>Cell physiology</subject><subject>Chloroplasts</subject><subject>cianuros</subject><subject>cyanides</subject><subject>cyanure</subject><subject>Cytoplasm</subject><subject>Cytosol</subject><subject>extrusion</subject><subject>fer</subject><subject>feuille</subject><subject>Fundamental and applied biological sciences. 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A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2523-a0be451a1fa97f8b70c24b59db3fcf0b8210e87ccda2e6a2a811363d91ac0e383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>Adenosine triphosphatases</topic><topic>Biological and medical sciences</topic><topic>Cell membranes</topic><topic>Cell physiology</topic><topic>Chloroplasts</topic><topic>cianuros</topic><topic>cyanides</topic><topic>cyanure</topic><topic>Cytoplasm</topic><topic>Cytosol</topic><topic>extrusion</topic><topic>fer</topic><topic>feuille</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Guard cells</topic><topic>helobiae</topic><topic>hidrogeno</topic><topic>hierro</topic><topic>hojas</topic><topic>hydrogen</topic><topic>hydrogene</topic><topic>ion</topic><topic>iones</topic><topic>ions</topic><topic>iron</topic><topic>Leaves</topic><topic>light</topic><topic>lumiere</topic><topic>Luminous intensity</topic><topic>luz</topic><topic>Membranes and Bioenergetics</topic><topic>Plant physiology and development</topic><topic>Plants</topic><topic>Plasma membrane and permeation</topic><topic>polaridad</topic><topic>polarite</topic><topic>polarity</topic><topic>Protons</topic><topic>translocacion</topic><topic>translocation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ELZENGA, J. T. M</creatorcontrib><creatorcontrib>PRINS, H. B. A</creatorcontrib><creatorcontrib>Phytochemical Society of North America (USA). 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Effects of ferricyanide: evidence for modulation by the redox state of the cytoplasm</atitle><jtitle>Plant physiology (Bethesda)</jtitle><addtitle>Plant Physiol</addtitle><date>1989-09-01</date><risdate>1989</risdate><volume>91</volume><issue>1</issue><spage>68</spage><epage>72</epage><pages>68-72</pages><issn>0032-0889</issn><eissn>1532-2548</eissn><coden>PPHYA5</coden><abstract>The effect of an extracellular electron acceptor, ferricyanide, on the light-induced polar leaf pH changes of the submerged angiosperm Elodea canadensis in light and in darkness was determined. The rate of transmembrane ferricyanide reduction was stimulated by increased light intensity and was inhibited by inorganic carbon, indicating that changes in the redox state of the chloroplast were reflected at the plasma membrane. The addition of ferricyanide inhibited the light-induced polar leaf pH reaction. This effect could be balanced by increasing the light intensity. In the dark, the acidification induced by ferricyanide was not influenced by diethylstilbestrol at concentrations that completely inhibited the polar leaf pH changes. This indicates that the ferricyanide-induced H+ extrusion and the H+ transport during the polar reaction were mediated by different mechanisms.</abstract><cop>Rockville, MD</cop><pub>American Society of Plant Physiologists</pub><pmid>16667045</pmid><doi>10.1104/pp.91.1.68</doi><tpages>5</tpages></addata></record>
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source Jstor Complete Legacy; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection
subjects Adenosine triphosphatases
Biological and medical sciences
Cell membranes
Cell physiology
Chloroplasts
cianuros
cyanides
cyanure
Cytoplasm
Cytosol
extrusion
fer
feuille
Fundamental and applied biological sciences. Psychology
Guard cells
helobiae
hidrogeno
hierro
hojas
hydrogen
hydrogene
ion
iones
ions
iron
Leaves
light
lumiere
Luminous intensity
luz
Membranes and Bioenergetics
Plant physiology and development
Plants
Plasma membrane and permeation
polaridad
polarite
polarity
Protons
translocacion
translocation
title Light-induced polar pH changes in leaves of Elodea canadensis. II. Effects of ferricyanide: evidence for modulation by the redox state of the cytoplasm
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