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Ceratobasidiaceae - Wikipedia

From Wikipedia, the free encyclopedia

Ceratobasidiaceae

Ceratobasidium cornigerum
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Cantharellales
Family:	Ceratobasidiaceae G.W. Martin
Type genus
Ceratobasidium D.P. Rogers
Genera
Ceratobasidium D.P. Rogers Rhizoctonia DC. Scotomyces Jülich

The Ceratobasidiaceae are a family of fungi in the order Cantharellales. All species within the family have basidiocarps (fruit bodies) that are thin and effused. They have sometimes been included within the corticioid fungi or alternatively within the "heterobasidiomycetes". Species are saprotrophic, but some are also facultative plant pathogens or are associated with orchid mycorrhiza. Genera of economic importance include Ceratobasidium and Rhizoctonia, both of which contain plant pathogenic species causing diseases of commercial crops and turf grass.

Taxonomy

The family was created in 1948 by American mycologist G.W. Martin to accommodate species of corticioid fungi with heterobasidiomycete features (elongated sterigmata and basidiospores that give rise to secondary spores). He restricted the Ceratobasidiaceae to the genus Ceratobasidium, though including within the genus species later placed in Thanatephorus and Oliveonia.^[1] In 1981, Jülich created the order Ceratobasidiales to accommodate the family. By 1995, the order and the family contained 18 genera, including Ceratobasidium, Heteroacanthella, Oliveonia, Scotomyces, Thanatephorus, and their various synonyms and anamorphs.^[2]

Current status

Molecular research, based on cladistic analysis of DNA sequences, has now shown that the Ceratobasidiaceae do not belong to a separate order, but are part of the Cantharellales.^[3] The genera Heteroacanthella and Oliveonia are not closely related to the Ceratobasidiaceae, but have been placed in the Auriculariales.^[4]^[5]^[6] No species of the genus Scotomyces has yet been sequenced.

Following changes to the International Code of Nomenclature for algae, fungi, and plants, the practice of giving different names to teleomorph and anamorph forms of the same fungus was discontinued, meaning that Thanatephorus became a synonym of the earlier name Rhizoctonia, previously used for anamorphic species. DNA evidence also placed most, if not all, Ceratobasidium species in Rhizoctonia.^[7]

Research on the septal pore ultrastructure of the little-known and atypical type species of Ceratobasidium, C. calosporum, indicates that it is a member of the Auriculariales and is unrelated to other species of Ceratobasidium.^[3]^[8]^[7] Technically, this means that the Ceratobasidiaceae belong within the Auriculariales, but this is a taxonomic problem that has yet to be resolved.^[9]

Habitat and distribution

Species are mainly saprotrophic, occurring in the soil and producing fruit bodies on dead stems and plant detritus. Some occur on attached leaves and stems. Several species have been isolated from orchid mycorrhiza or from diseased crops and turf grass. Distribution appears to be cosmopolitan.^[10]

Economic importance

Several species of Ceratobasidium and Rhizoctonia are opportunistic parasites of plants, causing a variety of economically important diseases of crops.^[10]

References

^ Martin GW. (1948). "New or noteworthy tropical fungi IV". Lloydia. 11: 111–122.
^ Hawksworth DL, Kirk PM, Sutton BC, Pegler DN, eds. (1995). Dictionary of the Fungi. 8th Ed. Wallingford, Oxford: CABI. ISBN 978-0-85198-885-6.
^ ^a ^b Moncalvo J-M; et al. (2006). "The cantharelloid clade: dealing with incongruent gene trees and phylogenetic reconstruction methods". Mycologia. 98 (6): 937–948. doi:10.3852/mycologia.98.6.937. PMID 17486970.
^ Cao, Ting; Hu, Ya-Ping; Yu, Jia-Rui; Wei, Tie-Zheng; Yuan, Hai-Sheng (23 December 2021). "A phylogenetic overview of the Hydnaceae (Cantharellales, Basidiomycota) with new taxa from China". Studies in Mycology. 99: 100121: 100121. doi:10.1016/j.simyco.2021.100121. ISSN 0166-0616. PMC 8717575. PMID 35035603.
^ Roberts P. (1998). "Oliveonia and the origin of the holobasidiomycetes". Folia Cryptogamica Estonica. 33: 127–132.
^ "Index Fungorum - Search Page".
^ ^a ^b Oberwinkler F, Riess K, Bauer R, Kirschner R, Garnica S (2013). "Taxonomic re-evaluation of the Ceratobasidium-Rhizoctonia complex and Rhizoctonia butinii, a new species attacking spruce". Mycological Progress. 12 (4): 763–776. Bibcode:2013MycPr..12..763O. doi:10.1007/s11557-013-0936-0. S2CID 18958852.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ Weiss M, Oberwinkler F (2001). "Phylogenetic relationships in Auriculariales and related groups – hypotheses derived from nuclear ribosomal DNA sequences". Mycological Research. 105 (4): 403–415. doi:10.1017/S095375620100363X.
^ Chen CJ, Oberwinkler F, Chen ZC (2002). "Heterorepetobasidium, a new genus in the Auriculariales". Mycologia. 94 (3): 515–522. doi:10.2307/3761785. JSTOR 3761785. PMID 21156522. http://www.mycologia.org/cgi/reprint/94/3/515.pdf
^ ^a ^b Roberts P. (1999). Rhizoctonia-forming fungi. Kew: Royal Botanic Gardens. p. 239. ISBN 978-1-900347-69-3.

Taxon identifiers
Ceratobasidiaceae	Wikidata: Q3774448 Wikispecies: Ceratobasidiaceae AusFungi: 60013531 CoL: 7WB EoL: 5937 EPPO: 1CRTBF GBIF: 8458 iNaturalist: 353353 IndexFungorum: 80572 IRMNG: 110394 ITIS: 936490 MycoBank: 80572 NBN: NHMSYS0001477050 NCBI: 5250 NZOR: bb2a795c-ae70-470b-a166-0e044892b3c7 Open Tree of Life: 234858 PPE: ceratobasidiaceae SpeciesFungorum: 80572

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