Fine-level mycorrhizal specificity in the Monotropoideae (Ericaceae): specificity for fungal species groups

Molecular Ecology
Martin I Bidartondo, Thomas D Bruns

Abstract

The Monotropoideae (Ericaceae) are non-photosynthetic angiosperms that obtain fixed carbon from basidiomycete ectomycorrhizal fungi. In previous work, we showed that each plant species is associated with a single genus or a set of closely related genera of ectomycorrhizal fungi. Here we show that the level of specificity is much higher. We used a molecular phylogenetic approach to contrast specificity patterns among eight plant lineages and three fungal genera. We relied on fungal nuclear internal transcribed spacer (nrITS) sequence data obtained from 161 basidiocarps and 85 monotropoid roots representing 286 sampled plants screened using restriction length polymorphisms. From the phylogenetic placement of fungal symbionts in fungal phylograms, we found that three basal (Sarcodes, Pterospora, Pleuricospora) and one derived lineage (Allotropa) of plants target narrow clades of closely related species groups of fungi, and four derived lineages (Monotropa hypopithys species group, Pityopus) target more distant species groups. Within most plant lineages, geography and photobiont association constrain specificity. Specificity extended further in Pterospora andromedea, in which sequence haplotypes at the plastid trn L-F region of 73 ...Continue Reading

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Citations

May 9, 2003·Mycological Research·Alexander UrbanRobert Bauer
Sep 28, 2002·Nature·Martin I BidartondoDavid J Read
May 10, 2003·Proceedings. Biological Sciences·Martin I BidartondoDavid J Read
Mar 9, 2004·Proceedings. Biological Sciences·D Lee TaylorScott A Hodges
Sep 11, 2009·Proceedings. Biological Sciences·Nicole A Hynson, Thomas D Bruns
Nov 4, 2004·Evolution; International Journal of Organic Evolution·Andrew P Jackson
Jul 7, 2005·The New Phytologist·Martin I Bidartondo
Jul 13, 2004·Molecular Ecology·J Tupac OteroPaul Bayman
Jun 5, 2007·Evolution; International Journal of Organic Evolution·Richard P SheffersonYung-I Lee
Nov 13, 2004·Mycological Research·Ornella ComandiniThomas W Kuyper
Aug 3, 2016·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Rebecca YahrBryn T M Dentinger
Sep 22, 2009·Annals of Botany·Vincent MerckxNicole A Hynson
Jun 14, 2017·Mycologia·Steven A TrudellJoaquin Cifuentes
Apr 17, 2015·American Journal of Botany·Constantijn B MennesVincent S F T Merckx
Jan 1, 2008·American Journal of Botany·Yuki Ogura-Tsujita, Tomohisa Yukawa
Dec 1, 2009·American Journal of Botany·Matthew R KloosterTheresa M Culley

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