Compatible and incompetent Paxillus involutus isolates for ectomycorrhiza formation in vitro with poplar (Populus x canescens) differ in H2O2 production.
Identifieur interne : 000279 ( Main/Exploration ); précédent : 000278; suivant : 000280Compatible and incompetent Paxillus involutus isolates for ectomycorrhiza formation in vitro with poplar (Populus x canescens) differ in H2O2 production.
Auteurs : A. Gafur [Indonésie] ; A. Schützendübel ; R. Langenfeld-Heyser ; E. Fritz ; A. PolleSource :
- Plant biology (Stuttgart, Germany) [ 1435-8603 ]
Descripteurs français
- KwdFr :
- Basidiomycota (isolement et purification), Basidiomycota (physiologie), Basidiomycota (ultrastructure), Microscopie électronique (MeSH), Mycorhizes (isolement et purification), Mycorhizes (physiologie), Mycorhizes (ultrastructure), Peroxyde d'hydrogène (métabolisme), Populus (microbiologie), Populus (métabolisme), Populus (ultrastructure), Stress oxydatif (MeSH), Symbiose (MeSH).
- MESH :
- isolement et purification : Basidiomycota, Mycorhizes.
- microbiologie : Populus.
- métabolisme : Peroxyde d'hydrogène, Populus.
- physiologie : Basidiomycota, Mycorhizes.
- ultrastructure : Basidiomycota, Microscopie électronique, Mycorhizes, Populus, Stress oxydatif, Symbiose.
English descriptors
- KwdEn :
- Basidiomycota (isolation & purification), Basidiomycota (physiology), Basidiomycota (ultrastructure), Hydrogen Peroxide (metabolism), Microscopy, Electron (MeSH), Mycorrhizae (isolation & purification), Mycorrhizae (physiology), Mycorrhizae (ultrastructure), Oxidative Stress (MeSH), Populus (metabolism), Populus (microbiology), Populus (ultrastructure), Symbiosis (MeSH).
- MESH :
- chemical , metabolism : Hydrogen Peroxide.
- isolation & purification : Basidiomycota, Mycorrhizae.
- metabolism : Populus.
- microbiology : Populus.
- physiology : Basidiomycota, Mycorrhizae.
- ultrastructure : Basidiomycota, Mycorrhizae, Populus.
- Microscopy, Electron, Oxidative Stress, Symbiosis.
Abstract
Isolates of Paxillus involutus (Batsch) Fr. collected from different hosts and environmental conditions were screened for their ability to form ectomycorrhizal symbiosis with hybrid poplar P. x canescens (= Populus tremula L. x P. alba) in vitro. The ability to form ectomycorrhiza varied between the fungal isolates and was not correlated with the growth rate of the fungi on agar-based medium. The isolate MAJ, which was capable of mycorrhiza synthesis under axenic conditions, and the incompetent isolate NAU were characterized morphologically and anatomically. MAJ formed a typical hyphal mantle and a Hartig net, whereas NAU was not able to penetrate the host cell walls and caused thickenings of the outer cell walls of the host. MAJ, but not NAU, displayed strong H2O2 accumulation in the outer hyphal mantle. Increases in H2O2 in the outer epidermal walls and adjacent hyphae of the incompetent isolate were moderate. No increases of H2O2 in response to the mycobionts were found inside roots. Suggested functions of H2O2 production in the outer hyphal mantle of the compatible interaction are: growth regulation of the host's roots, defence against other invading microbes, or increasing plant-innate immunity. The system established here for P. x canescens compatible and incompetent fungal associations will be useful to take advantage of genomic information now available for poplar to study tree-fungal interactions at the molecular and physiological level.
DOI: 10.1055/s-2003-44718
PubMed: 15095139
Affiliations:
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Langenfeld-Heyser</name></author><author><name sortKey="Fritz, E" sort="Fritz, E" uniqKey="Fritz E" first="E" last="Fritz">E. Fritz</name></author><author><name sortKey="Polle, A" sort="Polle, A" uniqKey="Polle A" first="A" last="Polle">A. 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Gafur</name><affiliation wicri:level="1"><nlm:affiliation>Department of Plant Protection, University of Lampung, Bandar Lampung, Indonesia.</nlm:affiliation><country xml:lang="fr">Indonésie</country><wicri:regionArea>Department of Plant Protection, University of Lampung, Bandar Lampung</wicri:regionArea><wicri:noRegion>Bandar Lampung</wicri:noRegion></affiliation></author><author><name sortKey="Schutzendubel, A" sort="Schutzendubel, A" uniqKey="Schutzendubel A" first="A" last="Schützendübel">A. Schützendübel</name></author><author><name sortKey="Langenfeld Heyser, R" sort="Langenfeld Heyser, R" uniqKey="Langenfeld Heyser R" first="R" last="Langenfeld-Heyser">R. Langenfeld-Heyser</name></author><author><name sortKey="Fritz, E" sort="Fritz, E" uniqKey="Fritz E" first="E" last="Fritz">E. Fritz</name></author><author><name sortKey="Polle, A" sort="Polle, A" uniqKey="Polle A" first="A" last="Polle">A. Polle</name></author></analytic><series><title level="j">Plant biology (Stuttgart, Germany)</title><idno type="ISSN">1435-8603</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Basidiomycota (isolation & purification)</term><term>Basidiomycota (physiology)</term><term>Basidiomycota (ultrastructure)</term><term>Hydrogen Peroxide (metabolism)</term><term>Microscopy, Electron (MeSH)</term><term>Mycorrhizae (isolation & purification)</term><term>Mycorrhizae (physiology)</term><term>Mycorrhizae (ultrastructure)</term><term>Oxidative Stress (MeSH)</term><term>Populus (metabolism)</term><term>Populus (microbiology)</term><term>Populus (ultrastructure)</term><term>Symbiosis (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Basidiomycota (isolement et purification)</term><term>Basidiomycota (physiologie)</term><term>Basidiomycota (ultrastructure)</term><term>Microscopie électronique (MeSH)</term><term>Mycorhizes (isolement et purification)</term><term>Mycorhizes (physiologie)</term><term>Mycorhizes (ultrastructure)</term><term>Peroxyde d'hydrogène (métabolisme)</term><term>Populus (microbiologie)</term><term>Populus (métabolisme)</term><term>Populus (ultrastructure)</term><term>Stress oxydatif (MeSH)</term><term>Symbiose (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Hydrogen Peroxide</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Basidiomycota</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Basidiomycota</term><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Peroxyde d'hydrogène</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Basidiomycota</term><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Basidiomycota</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Basidiomycota</term><term>Mycorrhizae</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Microscopy, Electron</term><term>Oxidative Stress</term><term>Symbiosis</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="fr"><term>Basidiomycota</term><term>Microscopie électronique</term><term>Mycorhizes</term><term>Populus</term><term>Stress oxydatif</term><term>Symbiose</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Isolates of Paxillus involutus (Batsch) Fr. collected from different hosts and environmental conditions were screened for their ability to form ectomycorrhizal symbiosis with hybrid poplar P. x canescens (= Populus tremula L. x P. alba) in vitro. The ability to form ectomycorrhiza varied between the fungal isolates and was not correlated with the growth rate of the fungi on agar-based medium. The isolate MAJ, which was capable of mycorrhiza synthesis under axenic conditions, and the incompetent isolate NAU were characterized morphologically and anatomically. MAJ formed a typical hyphal mantle and a Hartig net, whereas NAU was not able to penetrate the host cell walls and caused thickenings of the outer cell walls of the host. MAJ, but not NAU, displayed strong H2O2 accumulation in the outer hyphal mantle. Increases in H2O2 in the outer epidermal walls and adjacent hyphae of the incompetent isolate were moderate. No increases of H2O2 in response to the mycobionts were found inside roots. Suggested functions of H2O2 production in the outer hyphal mantle of the compatible interaction are: growth regulation of the host's roots, defence against other invading microbes, or increasing plant-innate immunity. The system established here for P. x canescens compatible and incompetent fungal associations will be useful to take advantage of genomic information now available for poplar to study tree-fungal interactions at the molecular and physiological level.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15095139</PMID><DateCompleted><Year>2004</Year><Month>05</Month><Day>19</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1435-8603</ISSN><JournalIssue CitedMedium="Print"><Volume>6</Volume><Issue>1</Issue><PubDate><MedlineDate>2004 Jan-Feb</MedlineDate></PubDate></JournalIssue><Title>Plant biology (Stuttgart, Germany)</Title><ISOAbbreviation>Plant Biol (Stuttg)</ISOAbbreviation></Journal><ArticleTitle>Compatible and incompetent Paxillus involutus isolates for ectomycorrhiza formation in vitro with poplar (Populus x canescens) differ in H2O2 production.</ArticleTitle><Pagination><MedlinePgn>91-9</MedlinePgn></Pagination><Abstract><AbstractText>Isolates of Paxillus involutus (Batsch) Fr. collected from different hosts and environmental conditions were screened for their ability to form ectomycorrhizal symbiosis with hybrid poplar P. x canescens (= Populus tremula L. x P. alba) in vitro. The ability to form ectomycorrhiza varied between the fungal isolates and was not correlated with the growth rate of the fungi on agar-based medium. The isolate MAJ, which was capable of mycorrhiza synthesis under axenic conditions, and the incompetent isolate NAU were characterized morphologically and anatomically. MAJ formed a typical hyphal mantle and a Hartig net, whereas NAU was not able to penetrate the host cell walls and caused thickenings of the outer cell walls of the host. MAJ, but not NAU, displayed strong H2O2 accumulation in the outer hyphal mantle. Increases in H2O2 in the outer epidermal walls and adjacent hyphae of the incompetent isolate were moderate. No increases of H2O2 in response to the mycobionts were found inside roots. Suggested functions of H2O2 production in the outer hyphal mantle of the compatible interaction are: growth regulation of the host's roots, defence against other invading microbes, or increasing plant-innate immunity. 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Fritz</name><name sortKey="Langenfeld Heyser, R" sort="Langenfeld Heyser, R" uniqKey="Langenfeld Heyser R" first="R" last="Langenfeld-Heyser">R. Langenfeld-Heyser</name><name sortKey="Polle, A" sort="Polle, A" uniqKey="Polle A" first="A" last="Polle">A. Polle</name><name sortKey="Schutzendubel, A" sort="Schutzendubel, A" uniqKey="Schutzendubel A" first="A" last="Schützendübel">A. Schützendübel</name></noCountry><country name="Indonésie"><noRegion><name sortKey="Gafur, A" sort="Gafur, A" uniqKey="Gafur A" first="A" last="Gafur">A. Gafur</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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