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Yeast

Definition

noun, plural: yeasts

Colloquial name for the fungus that is characteristically single-celled most of its life, eukaryotic, reproduce asexually by budding or binary fission, produce ascospores, capable of fermenting carbohydrates.


Supplement

Yeasts are important organism for their metabolic products used in the production of alcohol, wine, fruit juices, and leavening agent.

Important yeasts include Saccharomyces cerevisiae that has been used commercially and Candida albicans that is an opportunistic pathogen in humans.


Word origin: Middle English yeest, from Old English gist

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Re: Derived proteins

... and so on. Recombinant Human proteins (e.g. cloned genes with the same sequence as the human gene, but put experimentally put into bacteria, or yeast or insect cells etc) may be bacterially derived etc.

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by merv
Sun Oct 02, 2011 4:29 pm
 
Forum: Molecular Biology
Topic: Derived proteins
Replies: 3
Views: 247

Re: Stomach bloating and weight gain

... gaining the weight, but now after putting on 25 pounds the bloating looks more like being pregnant. I noticed a post about Chlamydia and Candida Yeast, so I think it's important to add that while I was in college (2003-2006) I battled with constant bacterial vaginosis and yeast infections. After ...

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by truth21
Tue Sep 06, 2011 6:34 am
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 411
Views: 1390577

Re: Yeast Mating Type Switching

... that produce progeny differing in their patterns of gene expression are key to the development of multicellular organisms. In the budding yeast Saccharomyces cerevisiae, mother cells but not daughter cells can switch mating type because they selectively express the HO endonuclease gene. ...

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by fiona1985
Mon Aug 15, 2011 10:30 am
 
Forum: Cell Biology
Topic: Yeast Mating Type Switching
Replies: 3
Views: 775

The effect of cellulase on E. Coli

Cellulase alone should have no effect on the growth of E. coli. Recently i worked with yeast which i cultivated in the presence of a nasty hemicellulase/cellulase mix - and that did not affect the yeast growth. However, if you obtained the cellulase from a commercial ...

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by DanielSan
Sat Aug 06, 2011 6:21 pm
 
Forum: Microbiology
Topic: The effect of cellulase on E. Coli
Replies: 9
Views: 1727

optimising yeast two hybrid testing conditions

Hi All, Does anyone know anything about changing growth temperature for yeast two hybrid analysis to ensure temperature is appropriate for protein conformation? I'm looking at interactions between full length plant flowering proteins that are orthologous to ...

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by fcs3
Mon Jul 25, 2011 7:58 am
 
Forum: Molecular Biology
Topic: optimising yeast two hybrid testing conditions
Replies: 1
Views: 238
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