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Yeast

yeast

(Science: fungus) Yeast is the colloquial name for single-celled members of the fungal families, ascomycetes, basidiomycetes and imperfect fungi that tend to be unicellular for the greater part of their life cycle.

Commercially important yeasts include saccharomyces cerevisiae, pathogenic yeasts include the genus candida.

See: schizosaccharomyces pombe. A commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey.Any of various single-celled fungi that reproduce asexually by budding or division.Pertaining to organisms used in industry due to the advantageous enzymes that they secrete to catalyse a particular chemical reaction. Yeast is responsible for the creation of alcohol.


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Re: How to be "good at the bench"

... making buffers, but not for cell-cultures or molecular biological purposes. Sterilization 1. Autoclave most buffers, and undefined bacterial and yeast media 2. Don’t autoclave: corrosives (Acids, phenol, bases), solvents or volatiles (ethanol, methanol. Chloroform); liquids containing bleach, ...

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by jangajarn
Sat May 23, 2009 7:15 pm
 
Forum: General Discussion
Topic: How to be "good at the bench"
Replies: 3
Views: 140

Re: Gene Upregulation/Overexpression

... plasmid because more of the gene implies it will make more of the mRNA? The gene on the plasmid also exists within the genome of the organism (a yeast). Thanks, Scienceluvr

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by scienceluvr
Fri May 08, 2009 7:29 pm
 
Forum: Molecular Biology
Topic: Gene Upregulation/Overexpression
Replies: 5
Views: 191

Testing for glucose in the water which leaf is in?

try testing yeast growth, you can count the cells http://biology.clc.uc.edu/fankhauser/Labs/Anatomy_&_Physiology/A&P202/Blood/Blood_Counts_practice.htm Think of treatments you can do to them, growth media, temperature, pH, ...

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by mith
Thu May 07, 2009 2:25 am
 
Forum: Botany Discussion
Topic: Testing for glucose in the water which leaf is in?
Replies: 8
Views: 375

Ras Pathway

... for hours and have gone nowhere...any help would be appreciated! Use diagrams and brief explanations to show how the cell cycle in the budding yeast, Saccharomyces cerevisiae, is temporarily halted during mating. Be sure to specify the role of MAP kinase pathway(s) in this process. The following ...

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by biologybuzz
Mon Apr 27, 2009 10:36 pm
 
Forum: Cell Biology
Topic: Ras Pathway
Replies: 0
Views: 155

Identifying unknown

... 25 degree celsius. Citrate test positive, it grew only at a 7pH. Grew on plates with glucose, glucose and amino acids, glucose, amino acids and yeast extract, and just amino acids. It grew without oxygen and with oxygen. It grew on MacConkey agar but not on mannitol salts agar. No amylase. It ...

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by mccullyj
Fri Apr 24, 2009 10:22 pm
 
Forum: Microbiology
Topic: Identifying unknown
Replies: 1
Views: 279
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