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Enhancers

Enhancers

genetic elements important in the function of a specific promoter.

Origin: M.E. Enhauncen, raise, increase, fr. O. Fr. Enhaucier, fr. L.L. Inalto, fr. Altus, high, _ -er, agent suffix


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Gene enhancers/repressors in Drosophilia stripes

I know it has to deal with having repressors interacting with the enhancers at different gradients along the fly and when enhancers are "on", transcription can occur and a stripe can be made. I just can't seem to understand the details behind this.

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by bwooten28
Wed Apr 04, 2012 4:56 am
 
Forum: Molecular Biology
Topic: Gene enhancers/repressors in Drosophilia stripes
Replies: 1
Views: 1081

Gene enhancers/repressors in Drosophilia stripes

... answer correctly/articulate in the right way. Gene expresses 2 stripes, 1 in the anterior and 1 in the posterior. The same activator binds to both enhancers and is required for expression in both the ant and post stripe. Activator is present in an ant/post gradient. Describe a mechanism by which ...

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by bwooten28
Wed Apr 04, 2012 4:44 am
 
Forum: Molecular Biology
Topic: Gene enhancers/repressors in Drosophilia stripes
Replies: 1
Views: 1081

Re: two different color eyes

Hello everybody, Thank you for your suggestion, There are two types of color contacts - enhancement color contacts and opaque color lenses. Enhancers usually come in different shades of blue, green and gray and are designed to make your natural eye color look brighter. Nice to meet you John ...

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by JohnMessick
Mon Mar 05, 2012 5:06 pm
 
Forum: Human Biology
Topic: two different color eyes
Replies: 141
Views: 274428

Transcription unit

It`s just not possible to give a Yes/No answer. I think most enhancers lie upstream of 5' UTR but there are also enhancers that lie within intronic regions (http://www.mbi.ufl.edu/~hnick/intronic%20enhancer.htm). Your prof should know this ;) . Greets ...

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by Orome
Fri Apr 23, 2010 11:31 am
 
Forum: Genetics
Topic: Transcription unit
Replies: 3
Views: 1326

Gene Expression

... about truncated alleles, or a mutation at all. Also I have a tough time with eukaryotic strong vs. weak promoters in the first place. I think enhancers and the chromatin modeling around each of the alleles is what really makes the alleles stronger than the other one. You talk about the polypeptide ...

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by kolean
Sun Jan 31, 2010 12:59 am
 
Forum: Genetics
Topic: Gene Expression
Replies: 13
Views: 5776
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