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Published on: March 26, 2019
Myco-heterotrophy: when fungi host plants
Vincent Merckx1, Martin I Bidartondo, Nicole A Hynson
1Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA. merckx@nature.berkeley.edu
Annals of Botany
|September 22, 2009
Summary
Myco-heterotrophic plants are non-photosynthetic organisms that rely on fungi for nutrition. Recent research reveals their diverse evolutionary history, fungal specificity, and unique strategies for nutrient acquisition, though some aspects remain debated.
Area of Science:
- Plant Biology
- Mycology
- Ecology
Background:
- Myco-heterotrophic plants are non-photosynthetic, obtaining energy and nutrients from fungi.
- They form symbiotic relationships with various fungi, including arbuscular mycorrhizal, ectomycorrhizal, and saprotrophic types.
Purpose of the Study:
- To summarize current knowledge on myco-heterotrophy.
- To discuss controversial aspects of myco-heterotrophic plant research.
- To identify future research directions in the field.
Main Methods:
- Literature review and synthesis of existing research on myco-heterotrophy.
- Analysis of evolutionary history, germination, and nutrition.
- Discussion of symbiotic strategies and fungal interactions.
Main Results:
- Myco-heterotrophic plants represent diverse and ancient lineages coevolved with fungi.
- High fungal specificity is often observed during germination and maturity.
- Plants utilize common mycorrhizal networks or recruit saprotrophic fungi for nutrition.
Conclusions:
- Significant progress has been made in understanding myco-heterotrophic plant evolution and nutrition.
- Fundamental aspects like symbiotic costs and physiology require further investigation.
- Future research should address the remaining controversies and unknowns in myco-heterotrophy.
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