Saccharomyces Mikatae
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Saccharomyces Mikatae
''Saccharomyces mikatae'', a type of yeast in the ''Saccharomyces sensu stricto'' complex. Its type strain is NCYC 2888T. The cells are round to short-oval in shape, they arrange singly, in pairs and short-chain. Their budding Budding or blastogenesis is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. For example, the small bulb-like projection coming out from the yeast cell is kno ... is multipolar. See also *'' Saccharomyces kudriavzevii'' *'' Saccharomyces cariocanus'' *'' Saccharomyces paradoxus'' References Further reading * External links UniProt entryGenome.jp entryStraininfo entry
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Yeast
Yeasts are eukaryotic, single-celled microorganisms classified as members of the fungus kingdom. The first yeast originated hundreds of millions of years ago, and at least 1,500 species are currently recognized. They are estimated to constitute 1% of all described fungal species. Yeasts are unicellular organisms that evolved from multicellular ancestors, with some species having the ability to develop multicellular characteristics by forming strings of connected budding cells known as pseudohyphae or false hyphae. Yeast sizes vary greatly, depending on species and environment, typically measuring 3–4  µm in diameter, although some yeasts can grow to 40 µm in size. Most yeasts reproduce asexually by mitosis, and many do so by the asymmetric division process known as budding. With their single-celled growth habit, yeasts can be contrasted with molds, which grow hyphae. Fungal species that can take both forms (depending on temperature or other conditions) are ca ...
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Budding
Budding or blastogenesis is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. For example, the small bulb-like projection coming out from the yeast cell is known as a bud. Since the reproduction is asexual, the newly created organism is a clone and excepting mutations is genetically identical to the parent organism. Organisms such as hydra use regenerative cells for reproduction in the process of budding. In hydra, a bud develops as an outgrowth due to repeated cell division at one specific site. These buds develop into tiny individuals and, when fully mature, detach from the parent body and become new independent individuals. Internal budding or endodyogeny is a process of asexual reproduction, favored by parasites such as ''Toxoplasma gondii''. It involves an unusual process in which two daughter cells are produced inside a mother cell, which is then consumed by the offspring prior to their s ...
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National Collection Of Yeast Cultures
The National Collection of Yeast Cultures (NCYC) is a yeast culture collection, established in 1951, and working under the Budapest Treaty for the storage of over 4,000 yeast cultures. Located at the Institute of Food Research in Norwich, England, since 1980. NCYC is part funded by the UK government but provides a commercial service to identify, store and supply yeast cultures. As well as the traditional baking and brewing yeast ''Saccharomyces cerevisiae ''Saccharomyces cerevisiae'' () (brewer's yeast or baker's yeast) is a species of yeast (single-celled fungus microorganisms). The species has been instrumental in winemaking, baking, and brewing since ancient times. It is believed to have b ...'', this culture collection also contains hundreds of non-pathogenic yeast species. The yeasts are kept frozen under liquid nitrogen or freeze-dried in glass ampoules. To ensure the collection's safety, it is also duplicated and stored off site. Yeasts have been stored and revived ...
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Saccharomyces Kudriavzevii
''Saccharomyces kudriavzevii'', is a species of yeast in the ''Saccharomyces sensu stricto'' complex. Its type strain is NCYC 2889T. It is used in production of alcoholic beverages, including pinot noir wine, and hybrids of it are used in beer brewing. It is isolated widely from the bark of oak trees (Quercus family). Etymology “''Kudriavzevii”'' was named in honor of VI Kudriavzev, a Russian scientist who worked with yeast taxonomy and ecology, and also played a large role in introducing the wild strain of ''S. paradoxus'' into science. Other names include: · ''S. kudriavzevii'' is the common scientific name · Pinot Noir yeast History ''Saccharomyces kudriavzevii'' was initially isolated from decayed leaf (Kaneko & Banno, 1991) but is often isolated from bark of oak trees. Description The species belongs to the ''Saccharomyces'' genus and can be isolated from a variety of substrates and is unique in that it cannot live on galactose and is cryotolerant. Biol ...
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Saccharomyces Cariocanus
''Saccharomyces cariocanus'', a type of yeast in the ''Saccharomyces sensu stricto'' complex. Its type strain is NCYC 2890T. Analyses did not confirm the previously observed conspecificity with ''Saccharomyces paradoxus ''Saccharomyces paradoxus'' is a wild yeast and the closest known species to the baker's yeast ''Saccharomyces cerevisiae''. It is used in population genomics and phylogenetic studies to compare its wild characteristics to laboratory yeasts. Eco ...''. ''S. cariocanus'' exhibits postzygotic isolation from representative strains from all known geographical populations of ''S. paradoxus'': European, Far-East Asian, North American and Hawaiian. References Further reading * External linksUniProt entry cariocanus Yeasts used in brewing Fungi described in 2000 {{Ascomycota-stub ...
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Saccharomyces Paradoxus
''Saccharomyces paradoxus'' is a wild yeast and the closest known species to the baker's yeast ''Saccharomyces cerevisiae''. It is used in population genomics and phylogenetic studies to compare its wild characteristics to laboratory yeasts. Ecology ''Saccharomyces paradoxus'' is mostly isolated from deciduous trees (oak, maple, birch), and in some rare occasions on insects and fruits. It is often found in sympatry with other ''Saccharomyces'' species. Like ''Saccharomyces cerevisiae'', it has a worldwide distribution and it is mesophilic, which limits its natural distribution to low latitudes. However, ''Saccharomyces paradoxus'' typically grows at lower temperatures than ''Saccharomyces cerevisiae'', resulting in a slight shift in its distribution toward cooler regions, like British islands and Eastern Canada. Biogeography Unlike most other ''Saccharomyces'' species, there is no evidence that ''Saccharomyces paradoxus'' has been domesticated by humans. Accordingly, its bi ...
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Saccharomyces
''Saccharomyces'' is a genus of fungi that includes many species of yeasts. ''Saccharomyces'' is from Greek σάκχαρον (sugar) and μύκης (fungus) and means ''sugar fungus''. Many members of this genus are considered very important in food production. It is known as the brewer's yeast or baker's yeast. They are unicellular and saprotrophic fungi. One example is ''Saccharomyces cerevisiae'', which is used in making bread, wine, and beer, and for human and animal health. Other members of this genus include the wild yeast ''Saccharomyces paradoxus'' that is the closest relative to ''S. cerevisiae'', ''Saccharomyces bayanus'', used in making wine, and ''Saccharomyces cerevisiae'' var. ''boulardii'', used in medicine. Morphology Colonies of ''Saccharomyces'' grow rapidly and mature in three days. They are flat, smooth, moist, glistening or dull, and cream in color. The inability to use nitrate and ability to ferment various carbohydrates are typical characteristics of ''Sacc ...
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Yeasts Used In Brewing
Yeasts are eukaryotic, single-celled microorganisms classified as members of the fungus kingdom. The first yeast originated hundreds of millions of years ago, and at least 1,500 species are currently recognized. They are estimated to constitute 1% of all described fungal species. Yeasts are unicellular organisms that evolved from multicellular ancestors, with some species having the ability to develop multicellular characteristics by forming strings of connected budding cells known as pseudohyphae or false hyphae. Yeast sizes vary greatly, depending on species and environment, typically measuring 3–4  µm in diameter, although some yeasts can grow to 40 µm in size. Most yeasts reproduce asexually by mitosis, and many do so by the asymmetric division process known as budding. With their single-celled growth habit, yeasts can be contrasted with molds, which grow hyphae. Fungal species that can take both forms (depending on temperature or other conditions) are called ...
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