Structure and development of orchid mycorrhizas

Edited book (chapter)

Dearnaley, john, Perotto, Silvia and Selosse, Marc-Andre. 2017. "Structure and development of orchid mycorrhizas." Martin, Franicis (ed.) Molecular mycorrhizal symbiosis. United States. John Wiley & Sons. pp. 63-86
Chapter Title

Structure and development of orchid mycorrhizas

Book Chapter CategoryEdited book (chapter)
ERA Publisher ID2349
Book TitleMolecular mycorrhizal symbiosis
AuthorsDearnaley, john (Author), Perotto, Silvia (Author) and Selosse, Marc-Andre (Author)
EditorsMartin, Franicis
Page Range63-86
Chapter Number5
Number of Pages24
Year2017
PublisherJohn Wiley & Sons
Place of PublicationUnited States
ISBN9781118951415
Digital Object Identifier (DOI)https://doi.org/10.1002/9781118951446.ch5
Web Address (URL)https://onlinelibrary.wiley.com/doi/10.1002/9781118951446.ch5
Abstract

Orchid mycorrhizas (OM) are symbiotic interactions between fungi and terrestrial, epiphytic or lithophytic species of the Orchidaceae. In the association, fungal hyphae enter parenchyma cells of germinating seeds, protocorms, seedlings or roots of adult plants, and form elaborate intracellular hyphal coils. The latter are known as pelotons, thought to be the site of nutrient transfer between the symbionts, which is essential for the perpetuation of orchids in their natural habitats. OM represent a quite obscure plant-microbe interaction. They are found in one of the most species-rich plant families on earth, since understanding of their biology may assist in successful conservation efforts on threatened orchid species and as they actually contribute to the health of forest, woodland and grassland ecosystems. In addition, some orchid mycorrhizal systems can be easily manipulated in vitro, making them a useful model to investigate the molecular physiology of mycorrhizal associations specifically, and to make comparisons with other plant-microbe interactions generally.

Keywordsorchid mycorrhizas
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020310705. Mycology
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Byline AffiliationsFaculty of Health, Engineering and Sciences
University of Turin, Italy
National Museum of Natural History, France
Institution of OriginUniversity of Southern Queensland
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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