X-Nico

unusual facts about yeasts



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Ballistospore

At least 30 thousand species of mushrooms, basidiomycete yeasts, and other fungal groups may discharge ballistospores, sometimes at initial accelerations exceeding 10 thousand times g.

Cauim

A second analysis of cauim made from rice and manioc also showed the presence of yeasts, chiefly Candida tropicalis.

Circumcision

Yeasts, especially Candida albicans, are the most common penile infection and are rarely identified in samples taken from circumcised males.

Crabtree effect

Named after the English biochemist Herbert Grace Crabtree, the Crabtree effect describes the phenomenon whereby the yeast, Saccharomyces cerevisiae, produces ethanol (alcohol) aerobically in the presence of 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.

Kombucha

A kombucha culture may contain one or more of the yeasts Saccharomyces cerevisiae, Brettanomyces bruxellensis, Candida stellata, Schizosaccharomyces pombe, Torulaspora delbrueckii, and Zygosaccharomyces bailii.

Signal recognition particle RNA

The largest SRP RNAs known to date are found in the yeasts (Saccharomycetes) which acquired helices 9 to 12 as insertions into helix 5, as well as an extended helix 7.

Thymineless death

Thymineless death is the phenomenon by which bacteria, yeasts and mammalian cells undergo irreversible cell death when they are starved of thymidine triphosphate (dTTP), an essential precursor for DNA replication.

Xylose metabolism

This can be accomplished either by native xylose fermenting yeasts such as Scheffersomyces Pichia stipitis or by metabolically engineered strains of Saccharomyces cerevisiae.


see also