Yuzo Yamada

Komagataella is a methylotrophic yeast within the order Pichiales. It was found in the 1960s as Pichia pastoris, with its feature of using methanol as a source of carbon and energy. In 1995, P. pastoris was reassigned into the sole representative of genus Komagataella, becoming Komagataella pastoris. In 2005, it was found that almost all strains used industrially and in labs are a separate species, K. phaffii. Later studies have further distinguished new species in this genus, resulting in a total of 7 recognized species. It is not uncommon to see the old name still in use in the context of

Mrakia frigida is a species of fungus in the order Cystofilobasidiales. The species occurs in both a yeast and hyphal state, the latter producing teliospores from which basidia emerge. It was originally isolated in its yeast state from Antarctic snow.

Mrakia is a genus of fungi in the order Cystofilobasidiales. 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, and are capable of low-temperature fermentation, making them of potential interest in brewing and bioremediation. The genus was named after the American microbiologist Emil M. Mrak. The genus Mrakiella was proposed for the anamorphic (yeast) state of Mrakia. Following changes to the International Code of Nomenclature for

Kuraishia is a genus of two species of ascomycetous yeasts in the family Pichiaceae. The type species Kuraishia capsulata was originally described as a member of Hansenula (now Pichia) in 1953. The genus name of Kuraishia is in honour of Hiroshi Kuraishi, Japanese (Micro-)Biologist (Mycology and Lichenology), from the Tokyo University of Agriculture and Technology. K. molischiana was described as new to science in 2004. The complete genome sequence of K. capsulata was reported in 2013. K. capsulata produces extracellular exopolysahharide, phosphomannan, as an external phosphorus reserve.

Kodamaea is a genus of fungi within the Saccharomycetales order. The relationship of this taxon to other taxa within the order is unknown (incertae sedis), and it has not yet been placed with certainty into any family.

Starmera is a genus of fungi within the Phaffomycetales order. It is placed within the Phaffomycetaceae family. Starmera is often associated with necrotic lesions in cacti. The genus was circumscribed by Yuzo Yamada, Tetsuo Higashi, Susumu Ando and Kozaburo Mikata in Bull. Fac. Agric. Shizuoka Univ. vol.47 on page 31 in 1997. The genus name of Starmera is in honour of William Thomas Starmer (b.1944), an American botanist and emeritus professor of biology in the College of Arts and Sciences at Syracuse University.

The Phaffomycetaceae are a family of yeasts in the order Phaffomycetales that reproduce by budding. Species in the family have a widespread distribution. The family are named after Phaffomyces. It is found to be linked to Equine grass sickness (EGS) via pasture mycotoxicosis, which comprises a very large and diverse population of fungi. It is found in silage, including lactic acid bacteria, yeasts and molds. It is found in fermented Ethiopian honey wine, Tej', and can affect bagasse (the waste product) of sugarcane, with other yeast fungi.

Phaffomyces is a genus of fungi within the Phaffomycetales order. It is placed within the Phaffomycetaceae fungi family. The genus name of Phaffomyces is in honour of Herman Jan Phaff (1913–2001), who was a scientist who specialised in the ecology of yeast. The genus was circumscribed by Yuzo Yamada in Bull. Fac. Agric. Shizuoka Univ. vol.47 on page 30 in 1997.

Ogataea is a genus of ascomycetous yeasts in the family Saccharomycetaceae. It was separated from the former genus Hansenula via an examination of their 18S and 26S rRNA partial base sequencings by Yamada et al. 1994. The genus name of Ogataea is in honour of Koichi Ogata (x - 1977), who was a Japanese microbiologist from the Department of Agricultural Chemistry, Faculty of Agriculture, at Kyoto University. It was stated in the journal; "The genus is named in honor of the late Professor Dr. Koichi Ogata, Department of Agricultural Chemistry, Faculty of Agriculture, Kyoto University, Kyoto,

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Kuraishia capsulata is a fungus in the genus Kuraishia that exists as a yeast.

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Nakazawaea is a genus of yeast in the order Alaninales. The relationship of this taxon to other taxa within the order is not fully unknown (incertae sedis). In 2022, DNA analysis of Saccharomycotina yeasts noted that Peterozyma toletana, Peterozyma tannophilus and Nakazawaea holstii are in a monophyletic sister clade to the Pichiaceae family. Originally, a monotypic genus containing the single species Nakazawaea holstii but Nakazawaea siamensis was added in 2011. With further others added later. The genus name of Nakazawaea is in honour of Dr. Ryoji Nakazawa, who was a Japanese microbiologist

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