Tricholoma matsutake in a natural Pinus densiflora forest : correspondence between above- and below-ground genets, association with multiple host trees and alteration of existing ectomycorrhizal communities

Tricholoma matsutake (matsutake) is an ectomycorrhizal (ECM) fungus that produces economically important mushrooms in Japan. Here, we use microsatellite markers to identify genets of matsutake sporocarps and below-ground ECM tips, as well as associated host genotypes of Pinus densiflora. We also stu...

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Veröffentlicht in:The New phytologist. - 1979. - 171(2006), 4 vom: 01., Seite 825-36
1. Verfasser: Lian, Chunlan (VerfasserIn)
Weitere Verfasser: Narimatsu, Maki, Nara, Kazuhide, Hogetsu, Taizo
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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245 1 0 |a Tricholoma matsutake in a natural Pinus densiflora forest  |b correspondence between above- and below-ground genets, association with multiple host trees and alteration of existing ectomycorrhizal communities 
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500 |a CommentIn: New Phytol. 2006;171(4):685-7. - PMID 16918540 
500 |a Citation Status MEDLINE 
520 |a Tricholoma matsutake (matsutake) is an ectomycorrhizal (ECM) fungus that produces economically important mushrooms in Japan. Here, we use microsatellite markers to identify genets of matsutake sporocarps and below-ground ECM tips, as well as associated host genotypes of Pinus densiflora. We also studied ECM fungal community structure inside, beneath and outside the matsutake fairy rings, using morphological and internal transcribed spacer (ITS) polymorphism analysis. Based on sporocarp samples, one to four genets were found within each fairy ring, and no genetic differentiation among six sites was detected. Matsutake ECM tips were only found beneath fairy rings and corresponded with the genotypes of the above-ground sporocarps. We detected nine below-ground matsutake genets, all of which colonized multiple pine trees (three to seven trees per genet). The ECM fungal community beneath fairy rings was species-poor and significantly differed from those inside and outside the fairy rings. We conclude that matsutake genets occasionally establish from basidiospores and expand on the root systems of multiple host trees. Although matsutake mycelia suppress other ECM fungi during expansion, most of them may recover after the passage of the fairy rings 
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700 1 |a Nara, Kazuhide  |e verfasserin  |4 aut 
700 1 |a Hogetsu, Taizo  |e verfasserin  |4 aut 
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