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The Physiological Ecology of Mycoheterotrophy

Title data

Hynson, Nicole A. ; Madsen, Thomas P. ; Selosse, Marc-André ; Adam, Iris K. U. ; Ogura-Tsujita, Yuki ; Roy, Melanie ; Gebauer, Gerhard:
The Physiological Ecology of Mycoheterotrophy.
In: Merckx, Vincent (Hrsg.): Mycoheterotrophy : the biology of plants living on fungi. - New York : Springer , 2013 . - pp. 297-342
ISBN 978-1-4614-5209-6
DOI: https://doi.org/10.1007/978-1-4614-5209-6_8

Abstract in another language

The purpose of this chapter is to provide a practical and theoretical framework for the study of the ecophysiology of mycoheterotrophic plants. We accomplish this by providing a comparative overview of our current knowledge on carbon and nitrogen isotope natural abundance in partially and fully mycoheterotrophic plants associated with ectomycorrhizal, wood- and litter-decomposer saprotrophic, and arbuscular mycorrhizal fungi, and discuss their ecophysiological implications. We present a meta-analysis of all stable carbon and nitrogen isotope values from the majority of species of partially and fully mycoheterotrophic plants investigated thus far. We summarize our current understanding of the ecophysiology of fully mycoheterotrophic plants in the families Orchidaceae and Ericaceae as well as non-vascular plants, and species from the tropics that associate with arbuscular mycorrhizal fungi. We also review the occurrence of initial mycoheterotrophy among orchids and ericaceous plants that are autotrophic upon reaching adulthood. We highlight current studies of cryptic or partial mycoheterotrophy in green plants that appear to be fully autotrophic, but meet some portion of their C demands via fungi in a mixotrophic nutrition. Furthermore, we explore the utility of ecophysiological methods such as radioactive and stable isotope probing, measuring plant assimilatory and respiratory responses to environmental gradients such as light availability, and natural abundance stable isotope analysis for future studies of mycoheterotrophic food-webs. Finally, methodological limitations and considerations for the study of physiological ecology of mycoheterotrophy are also outlined in this chapter.

Further data

Item Type: Article in a book
Refereed: No
Additional notes: BAYCEER106813
Institutions of the University: Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 14 Jul 2015 06:20
Last Modified: 14 Jul 2015 06:20
URI: https://eref.uni-bayreuth.de/id/eprint/16250