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Gautieria

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Gautieria
Gautieria magnicellaris
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Gomphales
Family: Gomphaceae
Genus: Gautieria
Vittad. (1831)
Type species
Gautieria morchelliformis
Vittad. (1831)
Synonyms[1]

Gautieria is a genus of hypogeal fungi in the family Gomphaceae. They form mycorrhizae with various tree species, mostly from the family Pinaceae. Species are present over much of the world's temperate and boreal forest habitats. It is well documented that species from this genera are an important part of the diet of the northern flying squirrel (Glaucomys sabrinus).[3][4][5] Also, some Australian marsupials, especially the rat-kangaroos, feed extensively on these fungi.[6] The fungi also benefit from this relationship: not only do the squirrels help to disperse the spores and propagate the species, studies suggest that passage through the digestive tract of a mammal promotes germination of spores.[7]

Taxonomy

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The genus name of Gautieria is in honour of Joseph (Giuseppe) Gautieri (1769 - 1833), who was an Italian doctor and naturalist from Novara.[8]

The genus was first described by Italian doctor and naturalist Carlo Vittadini within Monogr. Vol.25. in 1831.[9] for hypogeous (below-ground) gasteromycetes with chambers exposed to the surface and lined with a spore-bearing hymenium, a basal rhizomorph, and ovoid-fusiform, striate-grooved spores. Vittadini's original concept was based on two species he collected in Italy, Gauteria morchellaeformis and Gautieria graveolens. In 1918, Zeller and Dodge examined various dried herbarium collections of Gautieria, and recognized five species.[10] Additional research led to them recognizing 34 species and expanding their generic concept to include species with a well-developed peridium of periclinal hyphae at maturity.[11] As of 2008, Gautieria is thought to contain 25 species.[12]

Description

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Fruit bodies (gasterocarps) are typically roughly spherical in shape, with a persisting single or branched rhizomorph. The columella (the central sterile portion of the sporangium) are variable in size and shape. The peridium (the wall of the sporangium) is thin and short-lasting. The gleba is initially white, but later becomes colored by the masses of spores. The basidia are club-shaped, usually two-spored, and with long filiform sterigmata.[10] Spores are 12–26 μみゅーm long, and ovoid to ellipsoid in shape.[13]

Species

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  • Gautieria graveolens f. graveolens Vittad. (1831)
  • Gautieria graveolens f. inodora A.H.Sm. & Solheim (1953)
  • Gautieria graveolens var. graveolens Vittad. (1831)
  • Gautieria morchelliformis var. globispora Pilát (1958)
  • Gautieria morchelliformis var. magnicellaris Pilát (1953)
  • Gautieria morchelliformis var. microspora Wichanský (1962)
  • Gautieria morchelliformis var. morchelliformis Vittad. (1831)
  • Gautieria morchelliformis var. stenospora Pilát (1958)

References

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  1. ^ "Gautieria Vittad., Monographia Tuberacearum: 25, 1831". MycoBank. International Mycological Association. Retrieved 2013-09-01.
  2. ^ Corda ACJ. (1831). Deutschlands Flora, Abt. III. Die Pilze Deutschlands (in German). Vol. 3–11. Nürnberg: Sturm. p. 5.
  3. ^ Wheatley M. (2007). "Fungi in summer diets of northern flying squirrels (Glaucomys sabrinus) within managed forests of western Alberta, Canada". Northwest Science. 81 (4): 265–73. doi:10.3955/0029-344x-81.4.265. S2CID 86340087.
  4. ^ Gomez DM, Anthony RG (2005). "Influence of thinning of Douglas-fir forests on population parameters and diet of northern flying squirrels". Journal of Wildlife Management. 69 (4): 1670–82. doi:10.2193/0022-541x(2005)69[1670:iotodf]2.0.co;2. S2CID 85866175.
  5. ^ Meyer M, North MP, Kelt DA (2005). "Fungi in the diets of northern flying squirrels and lodgepole chipmunks in the Sierra Nevada". Canadian Journal of Zoology. 83 (12): 1581–9. doi:10.1139/z05-156. S2CID 55457431.
  6. ^ Hume ID, Grigg GC, Jarman P (1989). Kangaroos, Wallabies and Rat-kangaroos. Chipping Norton, N.S.W: Surrey Beaty & Sons. ISBN 978-0-949324-20-7.
  7. ^ Claridge AW, Tanton MT, Seebeck JH, Cork SJ, Cunningham RB (1992). "Establishment of ectomycorrhizae on the roots of two species of Eucalyptus from fungal spores contained in the faeces of the long-nosed potoroo (Potorous tridactylus)". Australian Journal of Ecology. 17 (2): 207–19. doi:10.1111/j.1442-9993.1992.tb00799.x.
  8. ^ Burkhardt, Lotte (2022). Eine Enzyklopädie zu eponymischen Pflanzennamen [Encyclopedia of eponymic plant names] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. S2CID 246307410. Retrieved January 27, 2022.
  9. ^ Vittadini C. (1831). Monographis tuberacearum. Milan: 27 Felicis Rusconi.
  10. ^ a b Zeller SM, Dodge CW (1918). "Gautieria in North America". Annals of the Missouri Botanical Garden. 5 (2): 133–42. doi:10.2307/2990107. JSTOR 2990107.
  11. ^ Dodge CW, Zeller SM (1934). "Hymenogaster and related genera". Annals of the Missouri Botanical Garden. 21 (4): 625–708. doi:10.2307/2394189. JSTOR 2394189.
  12. ^ Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford, UK: CAB International. p. 274. ISBN 978-0-85199-826-8.
  13. ^ Beaton G, Pegler DN, Young TWK (1985). "Gasteroid Basidiomycota of Victoria State, Australia. 3. Cortinariales". Kew Bulletin. 40 (1): 167–204. Bibcode:1985KewBu..40..167B. doi:10.2307/4108493. JSTOR 4108493.
  14. ^ Bau T, Liu Y (2013). "A new species of Gautieria from China". Mycotaxon. 123: 289–92. doi:10.5248/123.289.
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