NDLI: Temporal patterns of orchid mycorrhizal fungi in meadows and forests as revealed by 454 pyrosequencing.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Oja, Jane Kohout, Petr Tedersoo, Leho Kull, Tiiu Kõljalg, Urmas
Spatial Coverage	Estonia
Description	Country affiliation: Estonia Author Affiliation: Oja J ( Institute of Ecology and Earth Sciences, University of Tartu, 14A Ravila, 50411, Tartu, Estonia.)
Abstract	Orchid mycorrhizal (OrM) symbionts play a key role in the growth of orchids, but the temporal variation and habitat partitioning of these fungi in roots and soil remain unclear. Temporal changes in root and rhizosphere fungal communities of Cypripedium calceolus, Neottia ovata and Orchis militaris were studied in meadow and forest habitats over the vegetation period by using 454 pyrosequencing of the full internal transcribed spacer (ITS) region. The community of typical OrM symbionts differed by plant species and habitats. The root fungal community of N. ovata changed significantly in time, but this was not observed in C. calceolus and O. militaris. The rhizosphere community included a low proportion of OrM symbionts that exhibited a slight temporal turnover in meadow habitats but not in forests. Habitat differences in OrM and all fungal associates are largely attributable to the greater proportion of ectomycorrhizal fungi in forests. Temporal changes in OrM fungal communities in roots of certain species indicate selection of suitable fungal species by plants. It remains to be elucidated whether these shifts depend on functional differences inside roots, seasonality, climate or succession.
File Format	HTM / HTML
ISSN	0028646X
Issue Number	4
Volume Number	205
e-ISSN	14698137
Journal	New Phytologist
Language	English
Publisher	Wiley
Publisher Date	2015-03-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Botany Basidiomycota Physiology Forests Grassland Mycorrhizae Orchidaceae Microbiology Sequence Analysis, Dna Methods Endophytes Estonia Molecular Sequence Data Time Factors Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science

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Temporal patterns of orchid mycorrhizal fungi in meadows and forests as revealed by 454 pyrosequencing.

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