Pterostylis nutans (Orchidaceae) has a specific association with two ceratobasidium root-associated fungi across its range in eastern Australia

Article

Irwin, Mathew John, Bougoure, Jeremy James and Dearnaley, John David William. 2007. "Pterostylis nutans (Orchidaceae) has a specific association with two ceratobasidium root-associated fungi across its range in eastern Australia." Mycoscience. 48, pp. 231-239. https://doi.org/10.1007/s10267-007-0360-x
Article Title

Pterostylis nutans (Orchidaceae) has a specific association with two ceratobasidium root-associated fungi across its range in eastern Australia

ERA Journal ID2771
Article CategoryArticle
AuthorsIrwin, Mathew John (Author), Bougoure, Jeremy James (Author) and Dearnaley, John David William (Author)
Journal TitleMycoscience
Journal Citation48, pp. 231-239
Number of Pages9
Year2007
Place of PublicationJapan
ISSN1340-3540
1618-2545
Digital Object Identifier (DOI)https://doi.org/10.1007/s10267-007-0360-x
Web Address (URL)https://www.sciencedirect.com/science/article/abs/pii/S1340354007703418
Abstract

In this study, we have identified the root-associated
fungi of a common species of terrestrial orchid across
its range in eastern Australia. We have amplified and cloned fungal ITS DNA extracted from roots of 15 Pterostylis
nutans R. Br. plants from six separate geographic localities.
Sequencing and GenBank comparison demonstrated two
species of Ceratobasidium fungi as the main fungal partners
of the orchid. Uncommon fungal associates included homobasidiomycete species such as a Gymnomyces sp. and a
Tricholoma sp., Leptodontidium orchidicola, and an unidentified soil fungus. These results demonstrate that specifi city for fungal partners occurs in P. nutans and reinforces the idea that conservation measures for endangered Australian orchids must include ex situ perpetuation of fungal symbionts as well as plant material.

Keywordsaustralian terrestrial orchids, Ceratobasidium,internal transcribed spacer (ITS), orchid mycorrhizas
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020319999. Other biological sciences not elsewhere classified
310705. Mycology
310899. Plant biology not elsewhere classified
Public Notes

File reproduced in accordance with the copyright policy of the publisher/author.

Byline AffiliationsFaculty of Sciences
University of Western Australia
Department of Biological and Physical Sciences
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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