Spatial patterns of gene expression in the extramatrical mycelium and mycorrhizal root tips formed by the ectomycorrhizal fungus Paxillus involutus in association with birch (Betula pendula) seedlings in soil microcosms.
Identifieur interne : 003509 ( Main/Corpus ); précédent : 003508; suivant : 003510Spatial patterns of gene expression in the extramatrical mycelium and mycorrhizal root tips formed by the ectomycorrhizal fungus Paxillus involutus in association with birch (Betula pendula) seedlings in soil microcosms.
Auteurs : Derek P. Wright ; Tomas Johansson ; Antoine Le Quéré ; Bengt Söderström ; Anders TunlidSource :
- The New phytologist [ 0028-646X ] ; 2005.
English descriptors
- KwdEn :
- Ammonium Sulfate (metabolism), Base Sequence (MeSH), Betula (metabolism), Betula (microbiology), Cytoskeleton (metabolism), DNA, Fungal (genetics), Ecosystem (MeSH), Fungal Proteins (genetics), Fungal Proteins (metabolism), Gene Expression (MeSH), Gene Expression Profiling (MeSH), Genes, Fungal (MeSH), Models, Biological (MeSH), Mycorrhizae (genetics), Mycorrhizae (growth & development), Mycorrhizae (metabolism), Nitrogen (metabolism), Oligonucleotide Array Sequence Analysis (MeSH), Plant Roots (metabolism), Plant Roots (microbiology), Seedlings (metabolism), Seedlings (microbiology), Signal Transduction (MeSH), Soil (analysis), Symbiosis (MeSH).
- MESH :
- chemical , analysis : Soil.
- chemical , genetics : DNA, Fungal, Fungal Proteins.
- chemical , metabolism : Ammonium Sulfate, Fungal Proteins, Nitrogen.
- genetics : Mycorrhizae.
- growth & development : Mycorrhizae.
- metabolism : Betula, Cytoskeleton, Mycorrhizae, Plant Roots, Seedlings.
- microbiology : Betula, Plant Roots, Seedlings.
- Base Sequence, Ecosystem, Gene Expression, Gene Expression Profiling, Genes, Fungal, Models, Biological, Oligonucleotide Array Sequence Analysis, Signal Transduction, Symbiosis.
Abstract
Functional compartmentation of the extramatrical mycelium of ectomycorrhizal (ECM) fungi is considered important for the operation of ECM associations, although the molecular basis is poorly characterized. Global gene expression profiles of mycelium colonizing an ammonium sulphate ((NH4)2SO4) nutrient patch, rhizomorphs and ECM root tips of the Betula pendula-Paxillus involutus association were compared by cDNA microarray analysis. The expression profiles of rhizomorphs and nutrient patch mycelium were similar to each other but distinctly different from that of mycorrhizal tips. Statistical analyses revealed 337 of 1075 fungal genes differentially regulated among these three tissues. Clusters of genes exhibiting distinct expression patterns within specific tissues were identified. Genes implicated in the glutamine synthetase/glutamate synthase (GS/GOGAT) and urea cycles, and the provision of carbon skeletons for ammonium assimilation via beta-oxidation and the glyoxylate cycle, were highly expressed in rhizomorph and nutrient patch mycelium. Genes implicated in vesicular transport, cytoskeleton organization and morphogenesis and protein degradation were also differentially expressed. Differential expression of genes among the extramatrical mycelium and mycorrhizal tips indicates functional specialization of tissues forming ECM associations.
DOI: 10.1111/j.1469-8137.2005.01441.x
PubMed: 15998408
Links to Exploration step
pubmed:15998408Le document en format XML
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Wright</name><affiliation><nlm:affiliation>Department of Microbial Ecology, Ecology Building, Lund University, Sölvegatan 37, SE-223 62 Lund, Sweden.</nlm:affiliation></affiliation></author><author><name sortKey="Johansson, Tomas" sort="Johansson, Tomas" uniqKey="Johansson T" first="Tomas" last="Johansson">Tomas Johansson</name></author><author><name sortKey="Le Quere, Antoine" sort="Le Quere, Antoine" uniqKey="Le Quere A" first="Antoine" last="Le Quéré">Antoine Le Quéré</name></author><author><name sortKey="Soderstrom, Bengt" sort="Soderstrom, Bengt" uniqKey="Soderstrom B" first="Bengt" last="Söderström">Bengt Söderström</name></author><author><name sortKey="Tunlid, Anders" sort="Tunlid, Anders" uniqKey="Tunlid A" first="Anders" last="Tunlid">Anders Tunlid</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="RBID">pubmed:15998408</idno><idno type="pmid">15998408</idno><idno type="doi">10.1111/j.1469-8137.2005.01441.x</idno><idno type="wicri:Area/Main/Corpus">003509</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003509</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Spatial patterns of gene expression in the extramatrical mycelium and mycorrhizal root tips formed by the ectomycorrhizal fungus Paxillus involutus in association with birch (Betula pendula) seedlings in soil microcosms.</title><author><name sortKey="Wright, Derek P" sort="Wright, Derek P" uniqKey="Wright D" first="Derek P" last="Wright">Derek P. Wright</name><affiliation><nlm:affiliation>Department of Microbial Ecology, Ecology Building, Lund University, Sölvegatan 37, SE-223 62 Lund, Sweden.</nlm:affiliation></affiliation></author><author><name sortKey="Johansson, Tomas" sort="Johansson, Tomas" uniqKey="Johansson T" first="Tomas" last="Johansson">Tomas Johansson</name></author><author><name sortKey="Le Quere, Antoine" sort="Le Quere, Antoine" uniqKey="Le Quere A" first="Antoine" last="Le Quéré">Antoine Le Quéré</name></author><author><name sortKey="Soderstrom, Bengt" sort="Soderstrom, Bengt" uniqKey="Soderstrom B" first="Bengt" last="Söderström">Bengt Söderström</name></author><author><name sortKey="Tunlid, Anders" sort="Tunlid, Anders" uniqKey="Tunlid A" first="Anders" last="Tunlid">Anders Tunlid</name></author></analytic><series><title level="j">The New phytologist</title><idno type="ISSN">0028-646X</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ammonium Sulfate (metabolism)</term><term>Base Sequence (MeSH)</term><term>Betula (metabolism)</term><term>Betula (microbiology)</term><term>Cytoskeleton (metabolism)</term><term>DNA, Fungal (genetics)</term><term>Ecosystem (MeSH)</term><term>Fungal Proteins (genetics)</term><term>Fungal Proteins (metabolism)</term><term>Gene Expression (MeSH)</term><term>Gene Expression Profiling (MeSH)</term><term>Genes, Fungal (MeSH)</term><term>Models, Biological (MeSH)</term><term>Mycorrhizae (genetics)</term><term>Mycorrhizae (growth & development)</term><term>Mycorrhizae (metabolism)</term><term>Nitrogen (metabolism)</term><term>Oligonucleotide Array Sequence Analysis (MeSH)</term><term>Plant Roots (metabolism)</term><term>Plant Roots (microbiology)</term><term>Seedlings (metabolism)</term><term>Seedlings (microbiology)</term><term>Signal Transduction (MeSH)</term><term>Soil (analysis)</term><term>Symbiosis (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>DNA, Fungal</term><term>Fungal Proteins</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Ammonium Sulfate</term><term>Fungal Proteins</term><term>Nitrogen</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Betula</term><term>Cytoskeleton</term><term>Mycorrhizae</term><term>Plant Roots</term><term>Seedlings</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Betula</term><term>Plant Roots</term><term>Seedlings</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Base Sequence</term><term>Ecosystem</term><term>Gene Expression</term><term>Gene Expression Profiling</term><term>Genes, Fungal</term><term>Models, Biological</term><term>Oligonucleotide Array Sequence Analysis</term><term>Signal Transduction</term><term>Symbiosis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Functional compartmentation of the extramatrical mycelium of ectomycorrhizal (ECM) fungi is considered important for the operation of ECM associations, although the molecular basis is poorly characterized. Global gene expression profiles of mycelium colonizing an ammonium sulphate ((NH4)2SO4) nutrient patch, rhizomorphs and ECM root tips of the Betula pendula-Paxillus involutus association were compared by cDNA microarray analysis. The expression profiles of rhizomorphs and nutrient patch mycelium were similar to each other but distinctly different from that of mycorrhizal tips. Statistical analyses revealed 337 of 1075 fungal genes differentially regulated among these three tissues. Clusters of genes exhibiting distinct expression patterns within specific tissues were identified. Genes implicated in the glutamine synthetase/glutamate synthase (GS/GOGAT) and urea cycles, and the provision of carbon skeletons for ammonium assimilation via beta-oxidation and the glyoxylate cycle, were highly expressed in rhizomorph and nutrient patch mycelium. Genes implicated in vesicular transport, cytoskeleton organization and morphogenesis and protein degradation were also differentially expressed. Differential expression of genes among the extramatrical mycelium and mycorrhizal tips indicates functional specialization of tissues forming ECM associations.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15998408</PMID><DateCompleted><Year>2005</Year><Month>09</Month><Day>29</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0028-646X</ISSN><JournalIssue CitedMedium="Print"><Volume>167</Volume><Issue>2</Issue><PubDate><Year>2005</Year><Month>Aug</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Spatial patterns of gene expression in the extramatrical mycelium and mycorrhizal root tips formed by the ectomycorrhizal fungus Paxillus involutus in association with birch (Betula pendula) seedlings in soil microcosms.</ArticleTitle><Pagination><MedlinePgn>579-96</MedlinePgn></Pagination><Abstract><AbstractText>Functional compartmentation of the extramatrical mycelium of ectomycorrhizal (ECM) fungi is considered important for the operation of ECM associations, although the molecular basis is poorly characterized. Global gene expression profiles of mycelium colonizing an ammonium sulphate ((NH4)2SO4) nutrient patch, rhizomorphs and ECM root tips of the Betula pendula-Paxillus involutus association were compared by cDNA microarray analysis. The expression profiles of rhizomorphs and nutrient patch mycelium were similar to each other but distinctly different from that of mycorrhizal tips. Statistical analyses revealed 337 of 1075 fungal genes differentially regulated among these three tissues. Clusters of genes exhibiting distinct expression patterns within specific tissues were identified. Genes implicated in the glutamine synthetase/glutamate synthase (GS/GOGAT) and urea cycles, and the provision of carbon skeletons for ammonium assimilation via beta-oxidation and the glyoxylate cycle, were highly expressed in rhizomorph and nutrient patch mycelium. Genes implicated in vesicular transport, cytoskeleton organization and morphogenesis and protein degradation were also differentially expressed. 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