Population dynamics of the ectomycorrhizal fungal species Tricholoma populinum and Tricholoma scalpturatum associated with black poplar under differing environmental conditions.
Identifieur interne : 003D44 ( Main/Exploration ); précédent : 003D43; suivant : 003D45Population dynamics of the ectomycorrhizal fungal species Tricholoma populinum and Tricholoma scalpturatum associated with black poplar under differing environmental conditions.
Auteurs : Hervé Gryta [France] ; Fabian Carriconde ; Jean-Yves Charcosset ; Patricia Jargeat ; Monique GardesSource :
- Environmental microbiology [ 1462-2912 ] ; 2006.
Descripteurs français
- KwdFr :
- ADN fongique (génétique), Agaricales (croissance et développement), Agaricales (génétique), Espaceur de l'ADN ribosomique (génétique), Gènes fongiques (MeSH), Polymorphisme de restriction (MeSH), Populus (microbiologie), Réaction de polymérisation en chaîne (MeSH), Répétitions microsatellites (génétique), Écosystème (MeSH).
- MESH :
- croissance et développement : Agaricales.
- génétique : ADN fongique, Agaricales, Espaceur de l'ADN ribosomique, Répétitions microsatellites.
- microbiologie : Populus.
- Gènes fongiques, Polymorphisme de restriction, Réaction de polymérisation en chaîne, Écosystème.
English descriptors
- KwdEn :
- MESH :
- chemical , genetics : DNA, Fungal, DNA, Ribosomal Spacer.
- genetics : Agaricales, Microsatellite Repeats.
- growth & development : Agaricales.
- microbiology : Populus.
- Ecosystem, Genes, Fungal, Polymerase Chain Reaction, Polymorphism, Restriction Fragment Length.
Abstract
Fungi combine sexual reproduction and clonal propagation. The balance between these two reproductive modes affects establishment dynamics, and ultimately the evolutionary potential of populations. The pattern of colonization was studied in two species of ectomycorrhizal fungi: Tricholoma populinum and Tricholoma scalpturatum. The former is considered to be a host specialist whereas T. scalpturatum is a generalist taxon. Fruit bodies of both basidiomycete species were mapped and collected over several years from a black poplar (Populus nigra) stand, at two different sites. Multilocus genotypes (= genets) were identified based on the analysis of random amplified polymorphic DNA (RAPD) patterns, inter-simple sequence repeat (ISSR) patterns and restriction fragment length polymorphisms (RFLPs) in the ribosomal DNA intergenic spacer (rDNA IGS). The genetic analyses revealed differences in local population dynamics between the two species. Tricholoma scalpturatum tended to capture new space through sexual spores whereas T. populinum did this by clonal growth, suggesting trade-offs in allocation of resources at the genet level. Genet numbers and sizes strongly differ between the two study sites, perhaps as a result of abiotic disturbance on mycelial establishment and genet behaviour.
DOI: 10.1111/j.1462-2920.2005.00957.x
PubMed: 16623736
Affiliations:
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The balance between these two reproductive modes affects establishment dynamics, and ultimately the evolutionary potential of populations. The pattern of colonization was studied in two species of ectomycorrhizal fungi: Tricholoma populinum and Tricholoma scalpturatum. The former is considered to be a host specialist whereas T. scalpturatum is a generalist taxon. Fruit bodies of both basidiomycete species were mapped and collected over several years from a black poplar (Populus nigra) stand, at two different sites. Multilocus genotypes (= genets) were identified based on the analysis of random amplified polymorphic DNA (RAPD) patterns, inter-simple sequence repeat (ISSR) patterns and restriction fragment length polymorphisms (RFLPs) in the ribosomal DNA intergenic spacer (rDNA IGS). The genetic analyses revealed differences in local population dynamics between the two species. Tricholoma scalpturatum tended to capture new space through sexual spores whereas T. populinum did this by clonal growth, suggesting trade-offs in allocation of resources at the genet level. Genet numbers and sizes strongly differ between the two study sites, perhaps as a result of abiotic disturbance on mycelial establishment and genet behaviour.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16623736</PMID><DateCompleted><Year>2006</Year><Month>05</Month><Day>22</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1462-2912</ISSN><JournalIssue CitedMedium="Print"><Volume>8</Volume><Issue>5</Issue><PubDate><Year>2006</Year><Month>May</Month></PubDate></JournalIssue><Title>Environmental microbiology</Title><ISOAbbreviation>Environ Microbiol</ISOAbbreviation></Journal><ArticleTitle>Population dynamics of the ectomycorrhizal fungal species Tricholoma populinum and Tricholoma scalpturatum associated with black poplar under differing environmental conditions.</ArticleTitle><Pagination><MedlinePgn>773-86</MedlinePgn></Pagination><Abstract><AbstractText>Fungi combine sexual reproduction and clonal propagation. The balance between these two reproductive modes affects establishment dynamics, and ultimately the evolutionary potential of populations. The pattern of colonization was studied in two species of ectomycorrhizal fungi: Tricholoma populinum and Tricholoma scalpturatum. The former is considered to be a host specialist whereas T. scalpturatum is a generalist taxon. Fruit bodies of both basidiomycete species were mapped and collected over several years from a black poplar (Populus nigra) stand, at two different sites. Multilocus genotypes (= genets) were identified based on the analysis of random amplified polymorphic DNA (RAPD) patterns, inter-simple sequence repeat (ISSR) patterns and restriction fragment length polymorphisms (RFLPs) in the ribosomal DNA intergenic spacer (rDNA IGS). The genetic analyses revealed differences in local population dynamics between the two species. Tricholoma scalpturatum tended to capture new space through sexual spores whereas T. populinum did this by clonal growth, suggesting trade-offs in allocation of resources at the genet level. Genet numbers and sizes strongly differ between the two study sites, perhaps as a result of abiotic disturbance on mycelial establishment and genet behaviour.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gryta</LastName><ForeName>Hervé</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Laboratoire Evolution et Diversité Biologique, UMR 5174 CNRS-UPS-ENFA, Bât. 4R3, Université Paul Sabatier-Toulouse III, 118 route de Narbonne, 31062 Toulouse Cedex 9, France. gryta@cict.fr</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Carriconde</LastName><ForeName>Fabian</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Charcosset</LastName><ForeName>Jean-Yves</ForeName><Initials>JY</Initials></Author><Author ValidYN="Y"><LastName>Jargeat</LastName><ForeName>Patricia</ForeName><Initials>P</Initials></Author><Author ValidYN="Y"><LastName>Gardes</LastName><ForeName>Monique</ForeName><Initials>M</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Environ Microbiol</MedlineTA><NlmUniqueID>100883692</NlmUniqueID><ISSNLinking>1462-2912</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D004271">DNA, Fungal</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D021903">DNA, Ribosomal Spacer</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000363" MajorTopicYN="N">Agaricales</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004271" MajorTopicYN="N">DNA, Fungal</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D021903" MajorTopicYN="N">DNA, Ribosomal Spacer</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005800" MajorTopicYN="N">Genes, Fungal</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018895" MajorTopicYN="N">Microsatellite Repeats</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D016133" MajorTopicYN="N">Polymerase Chain Reaction</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012150" MajorTopicYN="Y">Polymorphism, Restriction Fragment Length</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2006</Year><Month>4</Month><Day>21</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2006</Year><Month>5</Month><Day>23</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2006</Year><Month>4</Month><Day>21</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16623736</ArticleId><ArticleId IdType="pii">EMI957</ArticleId><ArticleId IdType="doi">10.1111/j.1462-2920.2005.00957.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>France</li></country><region><li>Midi-Pyrénées</li><li>Occitanie (région administrative)</li></region><settlement><li>Toulouse</li></settlement></list><tree><noCountry><name sortKey="Carriconde, Fabian" sort="Carriconde, Fabian" uniqKey="Carriconde F" first="Fabian" last="Carriconde">Fabian Carriconde</name><name sortKey="Charcosset, Jean Yves" sort="Charcosset, Jean Yves" uniqKey="Charcosset J" first="Jean-Yves" last="Charcosset">Jean-Yves Charcosset</name><name sortKey="Gardes, Monique" sort="Gardes, Monique" uniqKey="Gardes M" first="Monique" last="Gardes">Monique Gardes</name><name sortKey="Jargeat, Patricia" sort="Jargeat, Patricia" uniqKey="Jargeat P" first="Patricia" last="Jargeat">Patricia Jargeat</name></noCountry><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Gryta, Herve" sort="Gryta, Herve" uniqKey="Gryta H" first="Hervé" last="Gryta">Hervé Gryta</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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