No evidence of population structure across three isolated subpopulations of Russula brevipes in an oak/pine woodland

Russula brevipes is common ectomycorrhizal (EM) fungus that is associated with several hosts across temperate forest ecosystems. A previous study has demonstrated that substructuring across large geographic distances (1500 km) occurs in the western USA. To examine genetic structure over a more local...

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Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 170(2006), 1 vom: 23., Seite 177-84
1. Verfasser: Bergemann, Sarah E (VerfasserIn)
Weitere Verfasser: Douhan, Greg W, Garbelotto, Matteo, Miller, Steven L
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S.
Beschreibung
Zusammenfassung:Russula brevipes is common ectomycorrhizal (EM) fungus that is associated with several hosts across temperate forest ecosystems. A previous study has demonstrated that substructuring across large geographic distances (1500 km) occurs in the western USA. To examine genetic structure over a more localized scale, basidiocarps of Russula brevipes from three subpopulations, separated by distances of 230-1090 m, were collected over two consecutive years in an oak/pine woodland. Microsatellite loci were used to test for population differentiation both among subpopulations and by year. No significant population differentiation was detected between subpopulations (theta(ST) = 0.01) or between years (theta(ST) = 0.01). Most loci were consistent with a Hardy-Weinburg equilibrium and 82% of the genets between seasons from similar sampling localities constituted new genotypes. These results indicate that R. brevipes constitutes a randomly mating population with no genetic differentiation between locations or across successive fruiting seasons
Beschreibung:Date Completed 09.05.2006
Date Revised 30.09.2020
published: Print
Citation Status MEDLINE
ISSN:1469-8137