Comparative genomics and transcriptomics depict ericoid mycorrhizal fungi as versatile saprotrophs and plant mutualists

Mycorrhizal symbioses have arisen repeatedly during plant evolution and are a key innovation influencing plant diversification (Tedersoo et al., 2010; van der Heijden et al., 2015; Martin et al., 2016). Ericoid mycorrhizal (ERM) fungi involve several soil fungi and the youngest lineage of a single m...

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Published in:The New phytologist 2018-01, Vol.217 (3)
Main Authors: Martino, Elena, Morin, Emmanuelle, Grelet, Gwen-Aëlle, Kuo, Alan, Kohler, Annegret, Daghino, Stefania, Barry, Kerrie W., Cichocki, Nicolas, Clum, Alicia, Dockter, Rhyan B., Hainaut, Matthieu, Kuo, Rita C., LaButti, Kurt, Lindahl, Björn D., Lindquist, Erika A., Lipzen, Anna, Khouja, Hassine-Radhouane, Magnuson, Jon, Murat, Claude, Ohm, Robin A., Singer, Steven W., Spatafora, Joseph W., Wang, Mei, Veneault-Fourrey, Claire, Henrissat, Bernard, Grigoriev, Igor V., Martin, Francis M., Perotto, Silvia
Format: Article
Language:English
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Plant Sciences
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Summary:Mycorrhizal symbioses have arisen repeatedly during plant evolution and are a key innovation influencing plant diversification (Tedersoo et al., 2010; van der Heijden et al., 2015; Martin et al., 2016). Ericoid mycorrhizal (ERM) fungi involve several soil fungi and the youngest lineage of a single monophyletic plant family, the Ericaceae. The remaining Ericaceae taxa encompass subfamilies displaying morphologically diverse mycorrhizal associations (Lallemand et al., 2016). Together, there are c. 4400 recorded species of ericaceous trees and shrubs worldwide, distributed from arctic to temperate and tropical regions (Kron et al., 2002). The latest age estimate for the whole Ericaceae family is c. 117 million yr (Myr) (Schwery et al., 2015), whilst diversification of the ERM-forming lineages might date back to 90–75 million yr ago (Ma), during angiosperm radiation in the Late Cretaceous (Nixon & Crepet, 1993; Carpenter et al., 2015). The ERM symbiosis is hypothesized to have evolved within that time frame, and to be the most recent of all mycorrhizal types (Brundrett, 2002).
ISSN:0028-646X