Further advances in orchid mycorrhizal research
Article
Article Title | Further advances in orchid mycorrhizal research |
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ERA Journal ID | 2770 |
Article Category | Article |
Authors | |
Author | Dearnaley, John D. W. |
Journal Title | Mycorrhiza |
Journal Citation | 17 (6), pp. 475-486 |
Number of Pages | 12 |
Year | 2007 |
Place of Publication | Germany |
ISSN | 0940-6360 |
1432-1890 | |
Digital Object Identifier (DOI) | https://doi.org/10.1007/s00572-007-0138-1 |
Web Address (URL) | https://link.springer.com/article/10.1007/s00572-007-0138-1 |
Abstract | Orchid mycorrhizas are mutualistic interactions between fungi and members of the Orchidaceae, the world’s largest plant family. The majority of the world’s orchids are photosynthetic, a small number of species are myco-heterotrophic throughout their lifetime, and recent research indicates a third mode (mixotrophy) whereby green orchids supplement their photosynthetically fixed carbon with carbon derived from their mycorrhizal fungus. Molecular identification studies of orchid-associated fungi indicate a wide range of fungi might be orchid mycobionts, show common fungal taxa across the globe and support the view that some orchids have specific fungal interactions. Confirmation of mycorrhizal status requires isolation of the fungi and restoration of functional mycorrhizas. New methods may now be used to store orchid-associated fungi and store and germinate seed, leading to more efficient culture of orchid species. However, many orchid mycorrhizas must be synthesised before conservation of these associations can be attempted in the field. Further gene expression studies of orchid mycorrhizas are needed to better understand the establishment and maintenance of the interaction. These data will add to efforts to conserve this diverse and valuable association. |
Keywords | orchid mycorrhizas; mixotrophy; myco-heterotrophy; rhizoctonia; russulaceae |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 319999. Other biological sciences not elsewhere classified |
310705. Mycology | |
310804. Plant developmental and reproductive biology | |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | Australian Centre for Sustainable Catchments |
https://research.usq.edu.au/item/9y5yx/further-advances-in-orchid-mycorrhizal-research
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