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Dictionary » G » Gene expression regulation

Gene expression regulation

Definition

noun

The modulation of any of the stages of gene expression, hence, it encompasses the various systems that control and determine which genes are switched on and off, and when, how long, and to what extent the genes are expressed.


Supplement

Gene regulation may occur in the following stages of gene expression:

Gene regulation of the lac operon of the prokaryotes was the first genetic regulatory mechanism to be elucidated.


Variant: regulation of gene expression or gene regulation.

See also: regulator gene.


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Re: Really puzzled with gene expresseion!!!!

The bacterial system controlling expression of the genes needed to take up and use lactose is a classic example of the regulation of genes in response to an organism's environment. It is also a dangerous example, as it is ...

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by jonmoulton
Mon Apr 27, 2009 3:07 pm
 
Forum: Genetics
Topic: Really puzzled with gene expresseion!!!!
Replies: 4
Views: 555

Dominance - how exactly does it come about?

stopherlogic, you are getting gene regulation and alleles mixed up. I recommend you consult a genetics book on the role of cytosine methylation in gene expression

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by MrMistery
Sat Nov 15, 2008 5:57 am
 
Forum: Genetics
Topic: Dominance - how exactly does it come about?
Replies: 3
Views: 637

Human Beta-globin Gene Expression Regulation

... and I'm trying to find out information concerning the human beta globin gene cluster, and how it's expression is controlled during development, from embryo, to foetus, to adult.... Does anyone ...

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by bastifantasti
Fri Aug 29, 2008 11:47 am
 
Forum: Genetics
Topic: Human Beta-globin Gene Expression Regulation
Replies: 0
Views: 611

virology

... retroviruses have the following criteria: generation of cells that escape a cell mediated immune response, down regulation of MHC production in infected cells so they ... There are two classes of genes that are altered expression can lead to loss of growth control. One class ...

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by rabia
Tue May 06, 2008 7:32 pm
 
Forum: Microbiology
Topic: virology
Replies: 3
Views: 1419

Re: New theory... ?

... see the documentary, but there is a layer of gene expression regulation that is controlled by RNA, especially by microRNAs (miRNA), ...

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by jonmoulton
Mon Apr 21, 2008 11:42 pm
 
Forum: Genetics
Topic: New theory... ?
Replies: 5
Views: 911
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