CobaltMaghrebV1, Pmc, Corpus, bibRecord, 000301

Does Ethylene Mediate Cluster Root Formation under Iron Deficiency?

Identifieur interne : 000301 ( Pmc/Corpus ); précédent : 000300; suivant : 000302

Does Ethylene Mediate Cluster Root Formation under Iron Deficiency?

Auteurs : H. Zaid ; R. El Morabet ; H. G. Diem ; M. Arahou

Source :

Annals of Botany [ 0305-7364 ] ; 2003.

RBID : PMC:4244850

Abstract

Casuarina glauca develops proteoid (cluster) roots in response to Fe deficiency. This study set out to investigate the possible involvement of ethylene in the initiation and/or the morphogenesis of cluster roots (CR). For this purpose, the effect of Ag⁺ added as silver thiosulfate, an inhibitor of ethylene action has been studied in plants growing hydroponically. No CR formation was observed in these growth conditions. Inhibition of ethylene biosynthesis by aminoethoxyvinylglycine, 1‐ aminoisobutyric acid, aminoxyacetic acid or cobalt chloride also eliminated the positive effect of Fe deficiency on CR formation in C. glauca. CR were not formed in Fe‐ deficient roots in the presence of ethylene inhibitors, suggesting a role for ethylene in the morphological responses to Fe deficiency. Interestingly, treatment of Casuarina plants with the ethylene precursor 1‐aminocyclopropane‐1‐carboxylic acid stimulated significantly the formation of CR, even if plants are supplied with Fe. However, this stimulation did not reach the level of CR obtained in Fe‐deficient plants. These results suggest that an ethylene‐mediated signalling pathway is involved in CR formation process in C. glauca.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4244850

DOI: 10.1093/aob/mcg186
PubMed: 12967908
PubMed Central: 4244850

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PMC:4244850

Le document en format XML

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<author><name sortKey="Zaid, H" sort="Zaid, H" uniqKey="Zaid H" first="H." last="Zaid">H. Zaid</name>
<affiliation><nlm:aff id="MCG186A1">Department of Biology, Faculty of Sciences, University Mohammed V‐Agdal, BP 1014, Avenue Ibn Battouta, Rabat, Morocco</nlm:aff>
</affiliation>
</author>
<author><name sortKey="El Morabet, R" sort="El Morabet, R" uniqKey="El Morabet R" first="R." last="El Morabet">R. El Morabet</name>
<affiliation><nlm:aff id="MCG186A1">Department of Biology, Faculty of Sciences, University Mohammed V‐Agdal, BP 1014, Avenue Ibn Battouta, Rabat, Morocco</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Diem, H G" sort="Diem, H G" uniqKey="Diem H" first="H. G." last="Diem">H. G. Diem</name>
<affiliation><nlm:aff id="MCG186A2">Rue Juliette Savar 37, 94·000, Créteil, France</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Arahou, M" sort="Arahou, M" uniqKey="Arahou M" first="M." last="Arahou">M. Arahou</name>
<affiliation><nlm:aff id="MCG186A1">Department of Biology, Faculty of Sciences, University Mohammed V‐Agdal, BP 1014, Avenue Ibn Battouta, Rabat, Morocco</nlm:aff>
</affiliation>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Does Ethylene Mediate Cluster Root Formation under Iron Deficiency?</title>
<author><name sortKey="Zaid, H" sort="Zaid, H" uniqKey="Zaid H" first="H." last="Zaid">H. Zaid</name>
<affiliation><nlm:aff id="MCG186A1">Department of Biology, Faculty of Sciences, University Mohammed V‐Agdal, BP 1014, Avenue Ibn Battouta, Rabat, Morocco</nlm:aff>
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<author><name sortKey="El Morabet, R" sort="El Morabet, R" uniqKey="El Morabet R" first="R." last="El Morabet">R. El Morabet</name>
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</affiliation>
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<author><name sortKey="Diem, H G" sort="Diem, H G" uniqKey="Diem H" first="H. G." last="Diem">H. G. Diem</name>
<affiliation><nlm:aff id="MCG186A2">Rue Juliette Savar 37, 94·000, Créteil, France</nlm:aff>
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<author><name sortKey="Arahou, M" sort="Arahou, M" uniqKey="Arahou M" first="M." last="Arahou">M. Arahou</name>
<affiliation><nlm:aff id="MCG186A1">Department of Biology, Faculty of Sciences, University Mohammed V‐Agdal, BP 1014, Avenue Ibn Battouta, Rabat, Morocco</nlm:aff>
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<series><title level="j">Annals of Botany</title>
<idno type="ISSN">0305-7364</idno>
<idno type="eISSN">1095-8290</idno>
<imprint><date when="2003">2003</date>
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<front><div type="abstract" xml:lang="en"><p><italic>Casuarina glauca</italic>
 develops proteoid (cluster) roots in response to Fe deficiency. This study set out to investigate the possible involvement of ethylene in the initiation and/or the morphogenesis of cluster roots (CR). For this purpose, the effect of Ag<sup>+</sup>
 added as silver thiosulfate, an inhibitor of ethylene action has been studied in plants growing hydroponically. No CR formation was observed in these growth conditions. Inhibition of ethylene biosynthesis by aminoethoxyvinylglycine, 1‐ aminoisobutyric acid, aminoxyacetic acid or cobalt chloride also eliminated the positive effect of Fe deficiency on CR formation in <italic>C. glauca</italic>
. CR were not formed in Fe‐ deficient roots in the presence of ethylene inhibitors, suggesting a role for ethylene in the morphological responses to Fe deficiency. Interestingly, treatment of <italic>Casuarina</italic>
 plants with the ethylene precursor 1‐aminocyclopropane‐1‐carboxylic acid stimulated significantly the formation of CR, even if plants are supplied with Fe. However, this stimulation did not reach the level of CR obtained in Fe‐deficient plants. These results suggest that an ethylene‐mediated signalling pathway is involved in CR formation process in <italic>C. glauca</italic>
.</p>
</div>
</front>
</TEI>
<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
  <front><journal-meta><journal-id journal-id-type="nlm-ta">Ann Bot</journal-id>
<journal-id journal-id-type="iso-abbrev">Ann. Bot</journal-id>
<journal-id journal-id-type="hwp">annbot</journal-id>
<journal-id journal-id-type="publisher-id">annbot</journal-id>
<journal-title-group><journal-title>Annals of Botany</journal-title>
</journal-title-group>
<issn pub-type="ppub">0305-7364</issn>
<issn pub-type="epub">1095-8290</issn>
<publisher><publisher-name>Oxford University Press</publisher-name>
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<article-id pub-id-type="doi">10.1093/aob/mcg186</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Articles</subject>
</subj-group>
</article-categories>
<title-group><article-title>Does Ethylene Mediate Cluster Root Formation under Iron Deficiency?</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>ZAID</surname>
<given-names>H.</given-names>
</name>
<xref ref-type="corresp" rid="COR1">*</xref>
<xref ref-type="aff" rid="MCG186A1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>EL MORABET</surname>
<given-names>R.</given-names>
</name>
<xref ref-type="aff" rid="MCG186A1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>DIEM</surname>
<given-names>H. G.</given-names>
</name>
<xref ref-type="aff" rid="MCG186A2">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>ARAHOU</surname>
<given-names>M.</given-names>
</name>
<xref ref-type="aff" rid="MCG186A1">1</xref>
</contrib>
<aff id="MCG186A1"><label>1</label>
Department of Biology, Faculty of Sciences, University Mohammed V‐Agdal, BP 1014, Avenue Ibn Battouta, Rabat, Morocco</aff>
<aff id="MCG186A2"><label>2</label>
Rue Juliette Savar 37, 94·000, Créteil, France</aff>
</contrib-group>
<author-notes><corresp id="COR1">* For correspondence. E‐mail <email>zaid@fsr.ac.ma</email>
 or <email>abouyounous@yahoo.fr</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub"><month>11</month>
<year>2003</year>
</pub-date>
<volume>92</volume>
<issue>5</issue>
<fpage>673</fpage>
<lpage>677</lpage>
<permissions><copyright-statement>Annals of Botany Company</copyright-statement>
<copyright-year>2003</copyright-year>
</permissions>
<abstract><p><italic>Casuarina glauca</italic>
 develops proteoid (cluster) roots in response to Fe deficiency. This study set out to investigate the possible involvement of ethylene in the initiation and/or the morphogenesis of cluster roots (CR). For this purpose, the effect of Ag<sup>+</sup>
 added as silver thiosulfate, an inhibitor of ethylene action has been studied in plants growing hydroponically. No CR formation was observed in these growth conditions. Inhibition of ethylene biosynthesis by aminoethoxyvinylglycine, 1‐ aminoisobutyric acid, aminoxyacetic acid or cobalt chloride also eliminated the positive effect of Fe deficiency on CR formation in <italic>C. glauca</italic>
. CR were not formed in Fe‐ deficient roots in the presence of ethylene inhibitors, suggesting a role for ethylene in the morphological responses to Fe deficiency. Interestingly, treatment of <italic>Casuarina</italic>
 plants with the ethylene precursor 1‐aminocyclopropane‐1‐carboxylic acid stimulated significantly the formation of CR, even if plants are supplied with Fe. However, this stimulation did not reach the level of CR obtained in Fe‐deficient plants. These results suggest that an ethylene‐mediated signalling pathway is involved in CR formation process in <italic>C. glauca</italic>
.</p>
</abstract>
<kwd-group kwd-group-type="KWD"><title>Key words:</title>
<kwd>Ethylene</kwd>
<kwd><italic>Casuarina</italic>
</kwd>
<kwd>cluster roots</kwd>
<kwd>ACC</kwd>
<kwd>ethylene inhibitors</kwd>
<kwd>Fe deficiency</kwd>
</kwd-group>
<custom-meta-group><custom-meta><meta-name>hwp-legacy-fpage</meta-name>
<meta-value>673</meta-value>
</custom-meta>
<custom-meta><meta-name>hwp-legacy-dochead</meta-name>
<meta-value>Article</meta-value>
</custom-meta>
</custom-meta-group>
</article-meta>
<notes notes-type="disclaimer" id="n1"><p content-type="arthw-misc">Received: 28 May 2003;; Returned for revision: 6 July 2003. Accepted: 25 July 2003; Published electronically: 10 September 2003</p>
</notes>
</front>
</pmc>
</record>

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Does Ethylene Mediate Cluster Root Formation under Iron Deficiency?

Does Ethylene Mediate Cluster Root Formation under Iron Deficiency?

Source :

Abstract

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