Different ratios of sucrose/raffinose-induced membrane depolarizations in the mesophyll of species with symplasmic ( Catharanthus roseus, Ocimum basilicum ) or apoplasmic ( Impatiens walleriana, Vicia faba ) minor-vein configurations
Identifieur interne : 003467 ( Main/Exploration ); précédent : 003466; suivant : 003468Different ratios of sucrose/raffinose-induced membrane depolarizations in the mesophyll of species with symplasmic ( Catharanthus roseus, Ocimum basilicum ) or apoplasmic ( Impatiens walleriana, Vicia faba ) minor-vein configurations
Auteurs : E. Van Bel [Pays-Bas, Allemagne] ; M. Hendriks [Pays-Bas] ; C. Boon [Pays-Bas] ; V. Gamalei [Russie] ; Ph. Van De Merwe [Pays-Bas]Source :
- Planta [ 0032-0935 ] ; 1996-06-01.
Abstract
Abstract: In mesophyll cells of species with a symplasmic (Ocimum basilicum, Catharanthus roseus, Magnolia denudata) or an apoplasmic (Vicia faba, Impatiens walleriana, Bellis perennis) minor-vein configuration, membrane depolarizations in response to 20 or 200 mol·m−3 raffinose and sucrose were measured. Ageing period and resting potential marginally affected the degree of depolarization. The symplasmic species showed similar depolarization responses to 20 and 200 mol·m−3 sucrose or raffinose. In the apoplasmic species, depolarization increased statistically significantly from 20 to 200 mol·m−3 sucrose, whereas the depolarization response to raffinose was equal at both concentrations. In the apoplasmic species, moreover, the depolarization response to raffinose was significantly weaker than to sucrose at all concentrations. A major difference between symplasmic and apoplasmic species seems to lie in the scantiness of raffinose carriers in the mesophyll plasma membrane of species with the apoplasmic mode of phloem loading.
Url:
DOI: 10.1007/BF00196558
Affiliations:
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Van De Merwe</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:070591EE83CC24F60C7C3873E56837CD4BB126EA</idno><date when="1996" year="1996">1996</date><idno type="doi">10.1007/BF00196558</idno><idno type="url">https://api.istex.fr/document/070591EE83CC24F60C7C3873E56837CD4BB126EA/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001864</idno><idno type="wicri:Area/Istex/Curation">001863</idno><idno type="wicri:Area/Istex/Checkpoint">000E08</idno><idno type="wicri:doubleKey">0032-0935:1996:Van Bel E:different:ratios:of</idno><idno type="wicri:Area/Main/Merge">003723</idno><idno type="wicri:Area/Main/Curation">003467</idno><idno type="wicri:Area/Main/Exploration">003467</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Different ratios of sucrose/raffinose-induced membrane depolarizations in the mesophyll of species with symplasmic ( Catharanthus roseus, Ocimum basilicum ) or apoplasmic ( Impatiens walleriana, Vicia faba ) minor-vein configurations</title><author><name sortKey="Van Bel, E" sort="Van Bel, E" uniqKey="Van Bel E" first="E." last="Van Bel">E. 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Gamalei</name><affiliation wicri:level="1"><country xml:lang="fr">Russie</country><wicri:regionArea>Department of Ecophysiology, Komarov Botanical Institute, 2 Professor Popov Street, 197376, St. Petersburg</wicri:regionArea><wicri:noRegion>St. Petersburg</wicri:noRegion></affiliation></author><author><name sortKey="Van De Merwe, Ph" sort="Van De Merwe, Ph" uniqKey="Van De Merwe P" first="Ph." last="Van De Merwe">Ph. Van De Merwe</name><affiliation wicri:level="3"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Plant Ecology and Evolutionary Biology, Transport Physiology Research Group, Sorbonnelaan 16, NL-3584 CA, Utrecht</wicri:regionArea><placeName><settlement type="city">Utrecht</settlement><region nuts="2" type="province">Utrecht (province)</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Planta</title><title level="j" type="sub">An International Journal of Plant Biology</title><title level="j" type="abbrev">Planta</title><idno type="ISSN">0032-0935</idno><idno type="eISSN">1432-2048</idno><imprint><publisher>Springer-Verlag</publisher><pubPlace>Berlin/Heidelberg</pubPlace><date type="published" when="1996-06-01">1996-06-01</date><biblScope unit="volume">199</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="185">185</biblScope><biblScope unit="page" to="192">192</biblScope></imprint><idno type="ISSN">0032-0935</idno></series><idno type="istex">070591EE83CC24F60C7C3873E56837CD4BB126EA</idno><idno type="DOI">10.1007/BF00196558</idno><idno type="ArticleID">BF00196558</idno><idno type="ArticleID">Art2</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0032-0935</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: In mesophyll cells of species with a symplasmic (Ocimum basilicum, Catharanthus roseus, Magnolia denudata) or an apoplasmic (Vicia faba, Impatiens walleriana, Bellis perennis) minor-vein configuration, membrane depolarizations in response to 20 or 200 mol·m−3 raffinose and sucrose were measured. Ageing period and resting potential marginally affected the degree of depolarization. The symplasmic species showed similar depolarization responses to 20 and 200 mol·m−3 sucrose or raffinose. In the apoplasmic species, depolarization increased statistically significantly from 20 to 200 mol·m−3 sucrose, whereas the depolarization response to raffinose was equal at both concentrations. In the apoplasmic species, moreover, the depolarization response to raffinose was significantly weaker than to sucrose at all concentrations. A major difference between symplasmic and apoplasmic species seems to lie in the scantiness of raffinose carriers in the mesophyll plasma membrane of species with the apoplasmic mode of phloem loading.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Pays-Bas</li><li>Russie</li></country><region><li>Utrecht (province)</li></region><settlement><li>Utrecht</li></settlement></list><tree><country name="Pays-Bas"><region name="Utrecht (province)"><name sortKey="Van Bel, E" sort="Van Bel, E" uniqKey="Van Bel E" first="E." last="Van Bel">E. Van Bel</name></region><name sortKey="Boon, C" sort="Boon, C" uniqKey="Boon C" first="C." last="Boon">C. Boon</name><name sortKey="Hendriks, M" sort="Hendriks, M" uniqKey="Hendriks M" first="M." last="Hendriks">M. Hendriks</name><name sortKey="Van De Merwe, Ph" sort="Van De Merwe, Ph" uniqKey="Van De Merwe P" first="Ph." last="Van De Merwe">Ph. Van De Merwe</name></country><country name="Allemagne"><noRegion><name sortKey="Van Bel, E" sort="Van Bel, E" uniqKey="Van Bel E" first="E." last="Van Bel">E. Van Bel</name></noRegion></country><country name="Russie"><noRegion><name sortKey="Gamalei, V" sort="Gamalei, V" uniqKey="Gamalei V" first="V." last="Gamalei">V. Gamalei</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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