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simple help question : alternative splicing and energy

simple help question : alternative splicing and energy - Cell Biology and Cell Culture

simple help question : alternative splicing and energy - Cell Biology Forum. Cell Culture Forum. Post and ask questions about cell culturing, cell lysis, cell transfection, cell growth, and cell biology.


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  #1  
Old 04-21-2005, 08:50 PM
appart
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Default simple help question : alternative splicing and energy



Hello everybody,
My name is stephane, i'm a french student. I study medecine in
Poitiers, i'm in the second year of the studies (i've a lot of work above).
I'm helping the first year student through a "tutorat". These are
evening lessons. I'm in charge (with 14 others students) of the cellular
biology tutorship.

So I just have a little question : in an eucaryote cell, the
alternative splicing is non atp-depdendant (i'm sure of this) but i'm
not sure it's non-energy depdendant.
I thought the spliceosome was taking energy from the binding between
the nucelotides in the DNA but i'm not sure anymore.

Could you help me please ?
Thanks in advance if you answer me.
Stephane.
---
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Old 04-23-2005, 12:24 AM
Bob
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Default simple help question : alternative splicing and energy

On 21 Apr 2005 21:50:57 +0100, [Only registered users see links. ] (appart) wrote:


Hi Stephane,

The energetics of splicing are messy. There is no particular energy
requirement for the mRNA splicing reaction per se (that is, the actual
reactions of the RNA). However, there are ATP-dependent steps in the
overall spliceosome-mediated process.

bob



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