Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Basidiomycota
Subdivisio: Agaricomycotina
Classis: Agaricomycetes
Ordo: Russulales
Familia: Bondarzewiaceae
Genus: Heterobasidion
Species: H. abietinum – H. amyloideopsis – H. amyloideum – H. annosum – H. araucariae – H. arbitrarium – H. armandii – H. australe – H. insulare – H. irregulare – H. linzhiense – H. occidentale – H. orientale – H. parviporum – H. subinsulare – H. subparviporum – H. tibeticum
Name
Heterobasidion Bref., Unters. Gesammtgeb. Mykol. [Liepzig] 8: 154 (1888). [MycoBank #17745]
Type Species: Heterobasidion annosum (Fr.) Bref., Unters. Gesammtgeb. Mykol. [Liepzig] 8: 154 (1888). [MycoBank #119859]
References
Brefeld, J.O. 1888–1889. Untersuchungen aus dem Gesammtgebiete der Mykologie. Heft VIII. Basidiomyceten III. pp. [i]–iv + [1]–305, pls. I–XII. Arthur Felix, Leipzig. BHL Reference page.
Buchanan, P.K. 1988. A new species of Heterobasidion (Polyporaceae) from Australasia. Mycotaxon 32: 325–337. Cyberliber Reference page.
Chen, J.-J., Korhonen, K., Li, W. & Dai, Y.-C. 2013 [‘2014’]. Two new species of the Heterobasidion insulare complex based on morphology and molecular data. Mycoscience 55(4): 289–298. DOI: 10.1016/j.myc.2013.11.002 Paywall. ResearchGate Open access. Reference page.
Ryvarden, L. 1972. A critical checklist of the Polyporaceae in tropical East Africa. Norwegian Journal of Botany 19(3–4): 229–238. Reference page.
Tokuda, S., Hattori, T., Dai, Y.-C., Ota, Y. & Buchanan, P.K. 2009. Three species of Heterobasidion (Basidiomycota, Hericiales), H. parviporum, H. orientale sp. nov. and H. ecrustosum sp. nov. from East Asia. Mycoscience 50(3): 190–202. DOI: 10.1007/S10267-008-0476-7 Paywall. ResearchGate Paywall. Reference page.
Yuan, Y., Chen, J.-J., Korhonen, K., Martin, F. & Dai, Y.-C. 2021. An updated global species diversity and phylogeny in the forest pathogenic genus Heterobasidion (Basidiomycota, Russulales). Frontiers in Microbiology 11(no. 596393): 1–15. DOI: 10.3389/fmicb.2020.596393 Open access. ResearchGate Open access. Reference page.
Links
Index Fungorum: IF 17745
MycoBank: MB 17745
Vernacular names
日本語: マツノネクチタケ属
русский: Гетеробазидион
中文: 异担子菌属
Heterobasidion is a genus of basidiomycetes in the family of Bondarzewiaceae. Species in this genus include tree decay fungi that may be pathogenic and cause deterioration of tree health including mortality. Fungi in the genus produce shelf-like polyporous fruiting bodies that release spores from pores. Mating studies in the late twentieth century [1] and genetic studies in the early twenty-first century have led to description of several new species and replacement of some of the original names.[2][3] As a result, two former Heterobasidion species, H. annosum and H. insulare, are now recognized to each comprise multiple distinct species.
Heterobasidion annosum sensu lato
Heterobasidion annosum sensu lato is a collection of the several species that cause Heterobasidion root disease and butt rot of forest trees and occasionally those in landscape plantings across the Northern Hemisphere. These fungi can be saprotrophic or necrotrophic, colonizing nonliving heartwood or living roots. Numerous tree species have been identified as hosts, but evergreen trees such as pine are most commonly affected. Heterobasidion root disease and butt rot are a serious issues to forest health due to tree mortality, decreased lumber volume and quality, and lessened carbon sequestration.[4] This group of species include some of the most intensively studied forest tree pathogens, becoming the first basidiomycete forest pathogen to have its genome sequenced in 2012.[5]
Heterobasidion annosum sensu lato includes five species, which differ in host preference, genetics, morphology, and geographic range. Sexual mating tests have identified three inter-sterility groups: P, S, and F, named after their chief hosts (pine, spruce, and fir).[1][6] The five species are H. abietinum (F-type), H. annosum sensu stricto (P-type), H. irregulare (P-type), H. occidentale (S-type), and H. parviporum (S-type). Genetic analysis have demonstrated the North American species, H. irregulare and H. occidentale, are distinct from each other and the European species within their inter-sterility groups.[2]
Heterobasidion insulare
The H. insulare complex comprises seven Heterobasidion species present in Eastern Asia and India. These are primarily saprotrophic decay fungi that are rarely pathogenic. These fungi are found on stumps and logs of are evergreen forest tree species including pines, firs, cedars, and spruces. Some species of this fungal complex can be easily differentiated from H. annosum sensu lato due to the red coloration on the top surface of the fruiting body.
Once considered a single species, the H. insulare complex is now considered to comprise six distinct species based on results of morphological studies, intersterility trials, and genetis. Mating tests have identified four inter-sterility groups: N, T, Y, and Z.[3][7] The seven species are H. orientale (N-type), H. ecrustosum (T-type), H. insulare sensu typi, H. linzhiense, H. australe, H. amyloideum, H. tibeticum (Z-type).[3][8][9][10]
Heterobasidion araucariae
Heterobasidion araucariae is a saprotrophic decay fungi found in Australia, Oceania, and may be present in Indochina. While not considered pathogenic it can help decay logs and stumps of Agathis, Araucaria, and Pine species.[11]
Other Species
There are three isolates that have been proposed as new species but further description may be necessary.
Heterobasidion pahangense Corner
Heterobasidion rutilantiforme (Murrill) Stalpers
Heterobasidion arbitrarium Corner
References
Korhonen, K. (1978). Intersterility groups of Heterobasidion annosum. Metsäntutkimuslaitoksen julkaisuja. Vol. 94. ISBN 978-9514003653. OCLC 58493872.
Otrosina, W.J.; Garbelotto, M. (2010). "Heterobasidion occidentale sp. nov. and Heterobasidion irregulare nom. nov.: A disposition of North American Heterobasidion biological species". Fungal Biology. 114 (1): 16–25. doi:10.1016/j.mycres.2009.09.001. PMID 20965057.
Chen, J.J.; Korhonen, K.; Li, W.; Dai, Y.C. (2014). "Two new species of the Heterobasidion insulare complex based on morphology and molecular data". Mycoscience. 55 (4): 289–298. doi:10.1016/j.myc.2013.11.002.
Garbelotto, M.; Gonthier, P. (2013). "Biology, epidemiology, and control of Heterobasidion species worldwide". Annual Review of Phytopathology. 51: 39–59. doi:10.1146/annurev-phyto-082712-102225. hdl:2318/141097. PMID 23642002.
Olson A, Aerts A, Asiegbu F, Belbahri L, Bouzid O, Broberg A, Canbäck B, Coutinho PM, Cullen D, Dalman K, Deflorio G, van Diepen LT, Dunand C, Duplessis S, Durling M, Gonthier P, Grimwood J, Fossdal CG, Hansson D, Henrissat B, Hietala A, Himmelstrand K, Hoffmeister D, Högberg N, James TY, Karlsson M, Kohler A, Kües U, Lee YH, Lin YC, Lind M, Lindquist E, Lombard V, Lucas S, Lundén K, Morin E, Murat C, Park J, Raffaello T, Rouzé P, Salamov A, Schmutz J, Solheim H, Ståhlberg J, Vélëz H, de Vries RP, Wiebenga A, Woodward S, Yakovlev I, Garbelotto M, Martin F, Grigoriev IV, Stenlid J (2012). "Insight into trade‐off between wood decay and parasitism from the genome of a fungal forest pathogen" (PDF). New Phytologist. 194 (4): 1001–13. doi:10.1111/j.1469-8137.2012.04128.x. PMID 22463738.
Capretti, P.; Korhonen, K.; Mugnai, L.; Romagnoli, C. (1990). "An intersterility group of Heterobasidion annosum specialized to Abies alba". European Journal of Forest Pathology. 20 (4): 231–240. doi:10.1111/j.1439-0329.1990.tb01134.x.
Dai, Y.C.; Vainio, E.J.; Hantula, J.; Niemelae, T.; Korhonen, K. (2002). "Sexuality and intersterility within the Heterobasidion insulare complex". Mycological Research. 106 (12): 1435–48. doi:10.1017/S0953756202006950.
Dai, Y.C.; Yu, C.J.; Wang, H.C. (April 2007). "Polypores from eastern Xizang (Tibet), western China". Annales Botanici Fennici. 44 (2): 135–145. JSTOR 23727602.
Dai, Y.C.; Korhonen, K. (2009). "Heterobasidion australe, a new polypore derived from the Heterobasidion insulare complex". Mycoscience. 50 (5): 353–6. doi:10.1007/S10267-009-0491-3.
Tokuda, S.; Hattori, T.; Dai, Y. C.; Ota, Y.; Buchanan, P.K. (2009). "Three species of Heterobasidion (Basidiomycota, Hericiales), H. parviporum, H. orientale sp. nov. and H. ecrustosum sp. nov. from East Asia". Mycoscience. 50 (3): 190–202. doi:10.1007/S10267-008-0476-7.
Buchanan, P.K. (1988). "A new species of Heterobasidion (Polyporaceae) from Australasia". Mycotaxon. 32: 325–337. ISSN 0093-4666.
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