Contrasting ectomycorrhizal fungal communities on the roots of co-occurring oaks (Quercus spp.) in a California woodland.

The New Phytologist
Melissa H MorrisCaroline S Bledsoe

Abstract

Plant host species is considered an important factor influencing ectomycorrhizal (EM) communities. To gain insights into the role of host species in structuring EM communities, EM communities on sympatric oak (Quercus) species were compared in the Sierra Nevada foothills of California. Using molecular methods (polymerase chain reaction, cloning, restriction fragment length polymorphism and DNA sequencing), EM fungi on roots of deciduous Quercus douglasii and evergreen Quercus wislizeni trees were identified from 64 soil cores. The total EM species richness was 140, of which 40 taxa were detected on both oak hosts. Greater diversity and frequency of EM fungi with epigeous fruiting habit were found on Q. wislizeni, while taxa in the Ascomycota were more frequent and diverse on Q. douglasii. Using ordination, it was determined that both soil extractable phosphorus and oak host species explained a significant proportion of the variation in EM species distribution. These results indicate that plant host species can be an important factor influencing EM fungal community composition, even within congeneric trees.

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Citations

Oct 15, 2009·Mycorrhiza·Meagan M HynesCaroline S Bledsoe
Jul 30, 2010·PloS One·Sara Branco, Richard H Ree
Dec 17, 2008·The New Phytologist·Patrick M BrockMartin I Bidartondo
Jan 29, 2013·Molecular Ecology Resources·R BlaalidH Kauserud
Jan 1, 2010·Molecular Ecology Resources·P G AvisG M Mueller
Oct 4, 2014·Molecular Ecology·Laura M SuzMartin I Bidartondo
Jan 22, 2010·The New Phytologist·Leho Tedersoo, Kazuhide Nara
Jan 13, 2011·FEMS Microbiology Ecology·Gian Maria Niccolò BenucciGabriella Di Massimo
Feb 16, 2017·Journal of Natural Products·Huzefa A RajaNicholas H Oberlies

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