Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Basidiomycota
Subdivisio: Agaricomycotina
Classis: Tremellomycetes
Ordo: Cystofilobasidiales
Familia: Mrakiaceae
Genus: Mrakia
Species: M. aquatica – M. arctica – M. blollopis – M. blollopsis – M. cryoconiti – M. fibulata – M. frigida – M. gelida – M. hoshinonis – M. montana – M. niccombsii – M. panshiensis – M. psychrophila – M. robertii – M. soli – M. stelviica – M. terrae
Name
Mrakia Y.Yamada & Komag., Journ. Gen. Appl. Microbiol. [Tokyo] 33(5): 456 (1987). [MycoBank #25264]
Type species: Mrakia frigida (Fell, Statzell, I.L.Hunter & Phaff) Y.Yamada & Komag., Journ. Gen. Appl. Microbiol. [Tokyo] 33(5): 457 (1987). [MycoBank #135389]
Heterotypic synonym
Mrakiella Margesin & Fell, Int. Journ. Syst. Evol. Microbiol. 58(12): 2980 (2008). [MycoBank #536881]
Type species: Mrakiella cryoconiti Margesin & Fell, Int. Journ. Syst. Evol. Microbiol. 58(12): 2981 (2008). [MycoBank #537002]
(≡ Mrakia cryoconiti (Margesin & Fell) Xin Zhan Liu, F.Y.Bai, M.Groenew. & Boekhout in Liu et al., Stud. Mycol. 81: 115 (2015). [MycoBank #812176])
References
Margesin, R. & Fell, J.W. 2008. Mrakiella cryoconiti gen. nov., sp. nov., a psychrophilic, anamorphic, basidiomycetous yeast from alpine and arctic habitats. International Journal of Systematic and Evolutionary Microbiology 58(12): 2977–2982. DOI: 10.1099/ijs.0.2008/000836-0 Open access. ResearchGate Open access. Reference page.
Yamada, Y. & Komagata, K. 1987. Mrakia gen. nov., a heterobasidiomycetous yeast genus for the Q8-equipped, self-sporulating organisms which produce a unicellular metabasidium, formerly classified in the genus Leucosporidium. The Journal of General and Applied Microbiology 33(5): 455–457. DOI: 10.2323/jgam.33.455 Open access. ResearchGate Paywall. Reference page.
Links
Index Fungorum: IF 25264
MycoBank: MB 25264
Vernacular names
Mrakia is a genus of fungi in the order Cystofilobasidiales.[1] The genus comprises yeasts, some of which have a hyphal state forming teliospores from which basidia arise. Mrakia species are typically psychrophilic, many originally isolated from glaciers and frigid environments,[2][3] and are capable of low-temperature fermentation, making them of potential interest in brewing[4] and bioremediation.[5]
The genus was named after the American microbiologist Emil M. Mrak.[6]
The genus Mrakiella was proposed for the anamorphic (yeast) state of Mrakia. Following changes to the International Code of Nomenclature for algae, fungi, and plants, however, the practice of giving different names to teleomorph and anamorph forms of the same fungus was discontinued, meaning that Mrakiella became a synonym of the earlier name Mrakia.[1]
References
Liu XZ, Wang QM, Göker M, Groenewald M, Kachalkin AV, Lumbsch HT, Millanes AM, Wedin M, Yurkov AM, Boekhout T, Bai FY (2015). "Towards an integrated phylogenetic classification of the Tremellomycetes". Studies in Mycology. 81: 85–147. doi:10.1016/j.simyco.2015.12.001. PMC 4777781.
Thomas-Hall SR, Turchetti B, Buzzini P, Branda E, Boekhout T, Theelen B, Watson K (2010). "Cold-adapted yeasts from Antarctica and the Italian Alps - description of three novel species: Mrakia robertii sp. nov., Mrakia blollopis sp. nov. and Mrakiella niccombsii sp. nov". Extremophiles. 14: 47–59. doi:10.1007/s00792-009-0286-7. PMC 2797416. PMID 19898737.
Tsuji M, Tanabe Y, Vincent WF, Uchida M (2018). "Mrakia arctica sp. nov., a new psychrophilic yeast isolated from an ice island in the Canadian High Arctic". Mycoscience. 59 (1): 54–58. doi:10.1016/j.myc.2017.08.006.
Turchetti B, De Francesco G, Mugnai G, Sileoni V, Alfeo V, Buzzini P, Yurkov A, Marconi O (2023). "Species and temperature-dependent fermentative aptitudes of Mrakia genus for innovative brewing". Food Research International. 170. doi:10.1016/j.foodres.2023.113004.
Tsuji M, Yokota Y, Kudoh S, Hoshino T (2015). "Comparative analysis of milk fat decomposition activity by Mrakia spp. isolated from Skarvsnes ice-free area, East Antarctica". Cryobiology. 70 (3): 293–296. doi:10.1016/j.cryobiol.2015.04.002. PMID 25862934.
Yamada Y, Komagata K (1987). "Mrakia gen. nov., a heterobasidiomycetous yeast genus for the Q8-equipped, self-sporulating organisms which produce a unicellular metabasidium, formerly classified in the genus Leucosporidium". J Gen Appl Microbiol. 33: 455–457.
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