Acute metal stress in Populus tremula×P. alba (717‐1B4 genotype): Leaf and cambial proteome changes induced by cadmium2+
Identifieur interne : 000507 ( Main/Curation ); précédent : 000506; suivant : 000508Acute metal stress in Populus tremula×P. alba (717‐1B4 genotype): Leaf and cambial proteome changes induced by cadmium2+
Auteurs : Thomas C. Durand [Luxembourg (pays), France] ; Kjell Sergeant [Luxembourg (pays)] ; Sébastien Planchon [Luxembourg (pays)] ; Sabine Carpin [France] ; Philippe Label [France] ; Domenico Morabito [France] ; Jean‐François Hausman [Luxembourg (pays)] ; Jenny Renaut [Luxembourg (pays)]Source :
- PROTEOMICS [ 1615-9853 ] ; 2010-02.
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- topic : Cadmium.
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Abstract
The comprehension of metal homeostasis in plants requires the identification of molecular markers linked to stress tolerance. Proteomic changes in leaves and cambial zone of Populus tremula×P. alba (717‐1B4 genotype) were analyzed after 61 days of exposure to cadmium (Cd) 360 mg/kg soil dry weight in pot‐soil cultures. The treatment led to an acute Cd stress with a reduction of growth and photosynthesis. Cd stress induced changes in the display of 120 spots for leaf tissue and 153 spots for the cambial zone. It involved a reduced photosynthesis, resulting in a profound reorganisation of carbon and carbohydrate metabolisms in both tissues. Cambial cells underwent stress from the Cd actually present inside the tissue but also a deprivation of photosynthates caused by leaf stress. An important tissue specificity of the response was observed, according to the differences in cell structures and functions.
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DOI: 10.1002/pmic.200900484
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Grandes Cultures, Université d'Orléans, Orléans, France</mods:affiliation><country xml:lang="fr">France</country><wicri:regionArea>UFR‐Faculté des Sciences, Laboratoire de Biologie des Ligneux et des Grandes Cultures, Université d'Orléans, Orléans</wicri:regionArea></affiliation><affiliation wicri:level="1"><mods:affiliation>INRA, USC2030 ‘Arbres et Réponses aux Contraintes Hydrique et Environnementales’ (ARCHE), Orléans, France</mods:affiliation><country xml:lang="fr">France</country><wicri:regionArea>INRA, USC2030 ‘Arbres et Réponses aux Contraintes Hydrique et Environnementales’ (ARCHE), Orléans</wicri:regionArea></affiliation></author><author><name sortKey="Hausman, Jean Rancois" sort="Hausman, Jean Rancois" uniqKey="Hausman J" first="Jean‐François" last="Hausman">Jean‐François Hausman</name><affiliation wicri:level="1"><mods:affiliation>CRP‐Gabriel Lippmann, Department Environment and Agro‐biotechnologies, Belvaux, GD, Luxembourg</mods:affiliation><country xml:lang="fr">Luxembourg (pays)</country><wicri:regionArea>CRP‐Gabriel Lippmann, Department Environment and Agro‐biotechnologies, Belvaux, GD</wicri:regionArea></affiliation></author><author><name sortKey="Renaut, Jenny" sort="Renaut, Jenny" uniqKey="Renaut J" first="Jenny" last="Renaut">Jenny Renaut</name><affiliation wicri:level="1"><mods:affiliation>CRP‐Gabriel Lippmann, Department Environment and Agro‐biotechnologies, Belvaux, GD, Luxembourg</mods:affiliation><country xml:lang="fr">Luxembourg (pays)</country><wicri:regionArea>CRP‐Gabriel Lippmann, Department Environment and Agro‐biotechnologies, Belvaux, GD</wicri:regionArea></affiliation></author></analytic><monogr></monogr><series><title level="j">PROTEOMICS</title><title level="j" type="abbrev">Proteomics</title><idno type="ISSN">1615-9853</idno><imprint><publisher>WILEY‐VCH Verlag</publisher><pubPlace>Weinheim</pubPlace><date type="published" when="2010-02">2010-02</date><biblScope unit="vol">10</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="349">349</biblScope><biblScope unit="page" to="368">368</biblScope></imprint><idno type="ISSN">1615-9853</idno></series><idno type="istex">001122816043410FE26DBBFFCEE78EF8F0D14D17</idno><idno type="DOI">10.1002/pmic.200900484</idno><idno type="ArticleID">PMIC200900484</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1615-9853</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cadmium</term><term>Cambium</term><term>Fluorescence two‐dimensional difference gel electrophoresis</term><term>Metal stress</term><term>Phytoremediation</term><term>Plant proteomics</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Cadmium</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The comprehension of metal homeostasis in plants requires the identification of molecular markers linked to stress tolerance. Proteomic changes in leaves and cambial zone of Populus tremula×P. alba (717‐1B4 genotype) were analyzed after 61 days of exposure to cadmium (Cd) 360 mg/kg soil dry weight in pot‐soil cultures. The treatment led to an acute Cd stress with a reduction of growth and photosynthesis. Cd stress induced changes in the display of 120 spots for leaf tissue and 153 spots for the cambial zone. It involved a reduced photosynthesis, resulting in a profound reorganisation of carbon and carbohydrate metabolisms in both tissues. Cambial cells underwent stress from the Cd actually present inside the tissue but also a deprivation of photosynthates caused by leaf stress. An important tissue specificity of the response was observed, according to the differences in cell structures and functions.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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