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Saccharomyces pastorianus is a yeast used industrially for the production of lager beer, and was named in honour of Louis Pasteur by the German Max Reess in 1870. [1] This yeast's complicated genome appears to be the result of hybridisation between two pure species in the Saccharomyces species complex, a factor that led to difficulty in establishing a proper taxonomy of the species.
Molecular research, based on cladistic analysis of DNA sequences, has shown that Cystobasidium (based on the type species) is a monophyletic (natural) genus. An additional 20 or so yeast species have been added to the genus, most of which were formerly placed in Rhodotorula .
Lager uses a process of cool fermentation, followed by maturation in cold storage. The German word "Lager" means storeroom or warehouse. The yeast generally used with lager brewing is Saccharomyces pastorianus. It is a close relative of the Saccharomyces cerevisiae yeast used for warm fermented ales. [citation needed]
Symptoms can range from mild to extreme—often described as extreme flu-like symptoms. Many symptoms may be associated with fungemia, including pain, acute confusion, chronic fatigue, and infections. Skin infections can include persistent or non-healing wounds and lesions, sweating, itching, and unusual discharge or drainage. [citation needed]
Candidiasis is a fungal infection due to any species of the genus Candida (a yeast). [4] When it affects the mouth, in some countries it is commonly called thrush. [3] Signs and symptoms include white patches on the tongue or other areas of the mouth and throat. [3] Other symptoms may include soreness and problems swallowing. [9]
While Candida albicans is the most common yeast species associated with vaginal thrush, infection by other types of yeast can produce similar symptoms. A Hungarian study of 370 patients with confirmed vaginal yeast infections identified the following types of infection: [18] Candida albicans: 85.7%; Non-albicans Candida (8 species): 13.2%
Candida albicans is one of the most commonly isolated species and can cause infections (candidiasis or thrush) in humans and other animals. In winemaking, some species of Candida can potentially spoil wines. [4] Many species are found in gut flora, including C. albicans in mammalian hosts, whereas others live as endosymbionts in insects.
Species Relevance Candida albicans: Relatively high medical relevance Candida amphixiae: Candida argentea: Candida ascalaphidarum: Candida atlantica: Candida atmosphaerica: Candida auris: Relatively high medical relevance Candida blankii: Candida blattae: Candida bracarensis: Candida bromeliacearum: Candida carpophila: Candida carvajalis [1 ...