Mycorrhiza-induced differential response to a yellows disease in tomato.
Identifieur interne : 003A09 ( Main/Exploration ); précédent : 003A08; suivant : 003A10Mycorrhiza-induced differential response to a yellows disease in tomato.
Auteurs : Guido Lingua [Italie] ; Giovanni D'Agostino ; Nadia Massa ; Michele Antosiano ; Graziella BertaSource :
- Mycorrhiza [ 0940-6360 ] ; 2002.
Descripteurs français
- KwdFr :
- MESH :
- microbiologie : Lycopersicon esculentum, Maladies des plantes, Racines de plante.
- physiologie : Champignons, Mycorhizes, Oomycetes, Pousses de plante.
- ultrastructure : Cytométrie en flux, Racines de plante.
English descriptors
- KwdEn :
- MESH :
- microbiology : Lycopersicon esculentum, Plant Diseases, Plant Roots.
- physiology : Fungi, Mycorrhizae, Oomycetes, Plant Shoots.
- ultrastructure : Plant Roots.
- Flow Cytometry.
Abstract
The protective effects induced by arbuscular mycorrhizal (AM) fungi against a phytoplasma of the Stolbur group have been investigated in tomato by morphometry and flow cytometry. Symptoms induced by the phytoplasma were less severe when the plants also harboured AM fungi. Morphological parameters such as shoot and root fresh weight, shoot height, internode length, leaf number and adventitious root diameter were closer to those of healthy plants when arbuscular mycorrhiza were present. Reduced nuclear senescence was observed in AM plants infected with phytoplasmas; the percentages of nuclear populations with different ploidy levels were intermediate between AM and phytoplasma-infected plants. The mechanisms underlying these interactions are discussed and a direct action of the AM fungus is hypothesized.
DOI: 10.1007/s00572-002-0171-z
PubMed: 12189474
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Lingua, Guido" sort="Lingua, Guido" uniqKey="Lingua G" first="Guido" last="Lingua">Guido Lingua</name>
<affiliation wicri:level="1"><nlm:affiliation>Dipartimento di Scienze e Tecnologie Avanzate, Università del Piemonte Orientale Amedeo Avogadro, Corso Borsalino 54, 15100 Alessandria, Italy.</nlm:affiliation>
<country xml:lang="fr">Italie</country>
<wicri:regionArea>Dipartimento di Scienze e Tecnologie Avanzate, Università del Piemonte Orientale Amedeo Avogadro, Corso Borsalino 54, 15100 Alessandria</wicri:regionArea>
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<author><name sortKey="Massa, Nadia" sort="Massa, Nadia" uniqKey="Massa N" first="Nadia" last="Massa">Nadia Massa</name>
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<author><name sortKey="Antosiano, Michele" sort="Antosiano, Michele" uniqKey="Antosiano M" first="Michele" last="Antosiano">Michele Antosiano</name>
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<author><name sortKey="Berta, Graziella" sort="Berta, Graziella" uniqKey="Berta G" first="Graziella" last="Berta">Graziella Berta</name>
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<author><name sortKey="Antosiano, Michele" sort="Antosiano, Michele" uniqKey="Antosiano M" first="Michele" last="Antosiano">Michele Antosiano</name>
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<series><title level="j">Mycorrhiza</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Flow Cytometry (MeSH)</term>
<term>Fungi (physiology)</term>
<term>Lycopersicon esculentum (microbiology)</term>
<term>Mycorrhizae (physiology)</term>
<term>Oomycetes (physiology)</term>
<term>Plant Diseases (microbiology)</term>
<term>Plant Roots (microbiology)</term>
<term>Plant Roots (ultrastructure)</term>
<term>Plant Shoots (physiology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Champignons (physiologie)</term>
<term>Cytométrie en flux (MeSH)</term>
<term>Lycopersicon esculentum (microbiologie)</term>
<term>Maladies des plantes (microbiologie)</term>
<term>Mycorhizes (physiologie)</term>
<term>Oomycetes (physiologie)</term>
<term>Pousses de plante (physiologie)</term>
<term>Racines de plante (microbiologie)</term>
<term>Racines de plante (ultrastructure)</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Lycopersicon esculentum</term>
<term>Maladies des plantes</term>
<term>Racines de plante</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Lycopersicon esculentum</term>
<term>Plant Diseases</term>
<term>Plant Roots</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Champignons</term>
<term>Mycorhizes</term>
<term>Oomycetes</term>
<term>Pousses de plante</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fungi</term>
<term>Mycorrhizae</term>
<term>Oomycetes</term>
<term>Plant Shoots</term>
</keywords>
<keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Plant Roots</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Flow Cytometry</term>
</keywords>
<keywords scheme="MESH" qualifier="ultrastructure" xml:lang="fr"><term>Cytométrie en flux</term>
<term>Racines de plante</term>
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<front><div type="abstract" xml:lang="en">The protective effects induced by arbuscular mycorrhizal (AM) fungi against a phytoplasma of the Stolbur group have been investigated in tomato by morphometry and flow cytometry. Symptoms induced by the phytoplasma were less severe when the plants also harboured AM fungi. Morphological parameters such as shoot and root fresh weight, shoot height, internode length, leaf number and adventitious root diameter were closer to those of healthy plants when arbuscular mycorrhiza were present. Reduced nuclear senescence was observed in AM plants infected with phytoplasmas; the percentages of nuclear populations with different ploidy levels were intermediate between AM and phytoplasma-infected plants. The mechanisms underlying these interactions are discussed and a direct action of the AM fungus is hypothesized.</div>
</front>
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<Month>02</Month>
<Day>06</Day>
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<DateRevised><Year>2008</Year>
<Month>11</Month>
<Day>21</Day>
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<Month>Aug</Month>
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<Title>Mycorrhiza</Title>
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<ArticleTitle>Mycorrhiza-induced differential response to a yellows disease in tomato.</ArticleTitle>
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<Abstract><AbstractText>The protective effects induced by arbuscular mycorrhizal (AM) fungi against a phytoplasma of the Stolbur group have been investigated in tomato by morphometry and flow cytometry. Symptoms induced by the phytoplasma were less severe when the plants also harboured AM fungi. Morphological parameters such as shoot and root fresh weight, shoot height, internode length, leaf number and adventitious root diameter were closer to those of healthy plants when arbuscular mycorrhiza were present. Reduced nuclear senescence was observed in AM plants infected with phytoplasmas; the percentages of nuclear populations with different ploidy levels were intermediate between AM and phytoplasma-infected plants. The mechanisms underlying these interactions are discussed and a direct action of the AM fungus is hypothesized.</AbstractText>
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