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  2. Snf3 - Wikipedia

    en.wikipedia.org/wiki/Snf3

    In contrast, yeast as a unicellular organism does not depend on hormones but on nutrients in the medium. The presence of glucose induces a conformational change in the membrane proteins Snf3/Rgt2 or Gpr1, and regulates expression of genes involved in glucose metabolism.

  3. Yeast assimilable nitrogen - Wikipedia

    en.wikipedia.org/wiki/Yeast_assimilable_nitrogen

    A second dosage is then often added around a third of the way through sugar fermentation and often before the sugar levels hit 12-10 Brix (6.5 to 5.5 Baumé, 48.3 to 40.0 Oechsle) because as the fermentation progresses yeast cells are no longer able to bring the nitrogen into the cell due to the increasing toxicity of ethanol surrounding the cells.

  4. Aerobic fermentation - Wikipedia

    en.wikipedia.org/wiki/Aerobic_fermentation

    The number of glucose sensor genes have remained mostly consistent through the budding yeast lineage, however glucose sensors are absent from Schizosaccharomyces pombe. Sch. pombe is a Crabtree-positive yeast, which developed aerobic fermentation independently from Saccharomyces lineage, and detects glucose via the cAMP-signaling pathway. [20]

  5. Crabtree effect - Wikipedia

    en.wikipedia.org/wiki/Crabtree_effect

    The Crabtree effect, named after the English biochemist Herbert Grace Crabtree, [1] describes the phenomenon whereby the yeast, Saccharomyces cerevisiae, produces ethanol (alcohol) in aerobic conditions at high external glucose concentrations rather than producing biomass via the tricarboxylic acid (TCA) cycle, the usual process occurring aerobically in most yeasts e.g. Kluyveromyces spp. [2 ...

  6. Yeast - Wikipedia

    en.wikipedia.org/wiki/Yeast

    Some species can metabolize pentose sugars such as ribose, [28] alcohols, and organic acids. Yeast species either require oxygen for aerobic cellular respiration (obligate aerobes) or are anaerobic, but also have aerobic methods of energy production (facultative anaerobes).

  7. 7 Nutritional Yeast Benefits That Make It a Vegan Superfood - AOL

    www.aol.com/7-nutritional-yeast-benefits-vegan...

    Among the B vitamins also found in nutritional yeast are thiamine, riboflavin, vitamin B6 and folate, which are all essential in maintaining cell metabolism, mood regulation and nerve function.

  8. Pasteur effect - Wikipedia

    en.wikipedia.org/wiki/Pasteur_effect

    First, glucose metabolism is faster through ethanol fermentation because it involves fewer enzymes and limits all reactions to the cytoplasm. Second, ethanol has bactericidal activity by causing damage to the cell membrane and protein denaturing , allowing yeast fungus to outcompete environmental bacteria for resources. [ 6 ]

  9. Diet in diabetes - Wikipedia

    en.wikipedia.org/wiki/Diet_in_diabetes

    For insulin dependent diabetics, when they eat depends on their blood sugar level and the type of insulin they take (i.e.: long-, medium- or quick-acting insulin). If patients check their blood glucose at bedtime and find that it is low, for example below 6 millimoles per liter (108 mg/dL), it is advisable that they take some long-acting ...

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