Orchid mycorrhizas: molecular ecology, physiology, evolution and conservation aspects

Edited book (chapter)

Dearnaley, J. D. W., Martos, F. and Selosse, M. -A.. 2012. "Orchid mycorrhizas: molecular ecology, physiology, evolution and conservation aspects." Hock, Bertold (ed.) Fungal associations. Germany. Springer. pp. 207-230
Chapter Title

Orchid mycorrhizas: molecular ecology, physiology, evolution and conservation aspects

Book Chapter CategoryEdited book (chapter)
ERA Publisher ID3337
Book TitleFungal associations
AuthorsDearnaley, J. D. W. (Author), Martos, F. (Author) and Selosse, M. -A. (Author)
EditorsHock, Bertold
EditionSecond edition
Page Range207-230
SeriesThe Mycota
Chapter Number12
Number of Pages24
Year2012
PublisherSpringer
Place of PublicationGermany
ISBN9783642308253
9783642308260
Digital Object Identifier (DOI)https://doi.org/10.1007/978-3-642-30826-0_12
Web Address (URL)https://link.springer.com/chapter/10.1007/978-3-642-30826-0_12
Abstract

Scientific interest in orchid mycorrhizas, the symbiotic association between orchid roots and fungi, continues to grow. Advances in molecular identification techniques have enabled the detection of a wide array of fungal partners of orchids. The use of stable and radioactive isotopes has confirmed many of these associations and provided insight into the diversity of nutrient flow between symbionts. Fungal specificity patterns in orchids have been investigated in terms of their evolutionary and adaptive significances and their role in orchid speciation. An understanding of the mycorrhizal biology of rare orchid species is also essential for conservation procedures. This review is intended to provide an overview of contemporary approaches to studying orchid mycorrhizas. It elaborates on what has been gleaned from these studies with regards the ecology, physiology, evolution and conservation aspects of orchid mycorrhizas and highlights areas of the association that need further exploration.

Keywordsorchids; mycorrhizas; flowering plants; fungal lineages
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020310705. Mycology
310510. Molecular evolution
310703. Microbial ecology
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Byline AffiliationsAustralian Centre for Sustainable Catchments
University of KwaZulu-Natal, South Africa
Centre for Functional and Evolutionary Ecology, France
Institution of OriginUniversity of Southern Queensland
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Dearnaley, John. 2010. "Orchid mycorrhizas - a disproportionate focus on the minutiae?" 2010 Joint Australasian Mycological Society and the Australian Society for Mycrobiology Meeting. Sydney, Australia 04 - 08 Jul 2010
Molecular identification of mycorrhizal fungi in Australian threatened plant species
Dearnaley, John D. W., Downie, Alex F., Murray, Andrew J. and Le Brocque, Andrew F.. 2008. "Molecular identification of mycorrhizal fungi in Australian threatened plant species." Schenk, Peer (ed.) 1st International Conference on Biotic Plant Interactions (ICBPI 2008). Brisbane, Australia 27 - 29 Mar 2008 Brisbane, Australia.
Molecular identification of a mycorrhizal Sebacinaceae from the endangered Caladenia atroclavia (black clubbed spider orchid)
Dearnaley, J. D. W., Murray, A. J. and Mathieson, M. T.. 2009. "Molecular identification of a mycorrhizal Sebacinaceae from the endangered Caladenia atroclavia (black clubbed spider orchid)." Australasian Mycologist. 28 (2-3), pp. 45-50.
Defence gene expression in single mycorrhizal roots of soybean
Dearnaley, John and Learmonth, Barbara A.. 2003. "Defence gene expression in single mycorrhizal roots of soybean." 4th International Conference on Mycorrhizae (ICOM4) . Montreal, Canada 10 - 15 Aug 2003 Québec, Canada.
The mycorrhizal fungal associations of the vunerable Sophora fraseri (Fabaceae)
Downie, A. F., Le Brocque, A. F. and Dearnaley, J. D. W.. 2008. "The mycorrhizal fungal associations of the vunerable Sophora fraseri (Fabaceae)." Australasian Mycologist. 27 (2), pp. 57-65.
Lantana invades the soil too! Effects of Lantana camara on soil fungal dominance
Case, Heidi, Dearnaley, John and Le Brocque, Andrew F.. 2008. "Lantana invades the soil too! Effects of Lantana camara on soil fungal dominance." 2008 Conference of the Ecological Society of Australia (ESA 2008). Sydney, Australia 01 - 05 Dec 2008 Australia. Ecological Society of Australia.
Endophytic fungi associated with Australian orchids
Dearnaley, John and Le Brocque, Andrew F.. 2006. "Endophytic fungi associated with Australian orchids." Australasian Plant Conservation: Bulletin of the Australian Network for Plant Conservation. 15 (2), pp. 7-9.
Molecular identification of fungal endophytes in Australian myco-heterotrophic orchids
Dearnaley, John. 2006. "Molecular identification of fungal endophytes in Australian myco-heterotrophic orchids." Meyer, Wieland (ed.) 8th International Mycological Congress (IMC8). Cairns, Australia 20 - 25 Aug 2006 Australia.
Fungal endophytes in Australian myco-heterotrophic orchids
Dearnaley, John. 2006. "Fungal endophytes in Australian myco-heterotrophic orchids." Meyer, Wieland (ed.) 8th International Mycological Congress (IMC8). Cairns, Australia 20 - 25 Aug 2006 Australia.
The fungal endophytes of erythrorchis cassythoides - is this orchid saprophytic or parasitic?
Dearnaley, John. 2006. "The fungal endophytes of erythrorchis cassythoides - is this orchid saprophytic or parasitic?" Australasian Mycologist. 25 (2), pp. 51-57.
The fungal endophytes of dipodium variegatum (orchidaceae)
Bougoure, Jeremy J. and Dearnaley, John. 2005. "The fungal endophytes of dipodium variegatum (orchidaceae)." Australasian Mycologist. 24 (1), pp. 15-19.
ITS-RFLP and sequence analysis of endophytes from Acianthus, Caladenia and Pterostylis (orchidaceae) in southeastern Queensland
Bougoure, Jeremy J., Bougoure, Damian S., Cairney, John W. G. and Dearnaley, John D. W.. 2005. "ITS-RFLP and sequence analysis of endophytes from Acianthus, Caladenia and Pterostylis (orchidaceae) in southeastern Queensland." Mycological Research. 109 (4), pp. 452-460. https://doi.org/10.1017/S095375620500225X