Gating functions in protein networks

Dan dmb at mrc-dunn.cam.ac.uk
Tue Aug 12 11:38:54 EST 2003


Just that they can, not that they do.

I would hazard an informed guess that
they are.

Dan.

Caltech News Server wrote:
> But what make you think gene regulatory networks display chaotic dynamics?
> 
> 
> "Dan" <dmb at mrc-dunn.cam.ac.uk> wrote in message
> news:3F268145.4010200 at mrc-dunn.cam.ac.uk...
> 
>>you would think, but when dealing with chaotic ocalations
>>the problem is somewhat more complex.
>>
>>Did you know a simple driven ocalator can have an infinate
>>number of stable paterns at the onset of chaos?
>>
>>This means that the palete of natures regulatory networks
>>in infinate in theory.
>>
>>Cool eh?
>>
>>
>>Lord Snooty wrote:
>>
>>>Thanks. When reverse engineering a metabolic circuit, the answer to this
>>>question is important. Any information at all in this regard reduces the
>>>reconstruction effort (aka the search space) considerably.
>>>
>>>-Andrew
>>>
>>>Caltech News Server wrote:
>>>
>>>
>>>
>>>>You can easily make logic gates using moiety conserved cycles, pretty
>>>
> much
> 
>>>>all signaling pathways are made using them. Now whether nature does this
>>>
> is
> 
>>>>another matter.
>>>>
>>>>HMS
>>>>
>>>>h s a u r o @ k g i dot e d u
>>>>
>>>>"Lord Snooty" <bonzo at dog.com> wrote in message
>>>>news:pgpmoose.200307151456.10888 at net.bio.net...
>>>>
>>>>
>>>>>It seems clear that a Boolean AND function occurs in nature. Also, it
>>>>
> is
> 
>>>>>clear that, since both inhibition and excitation of pathways exists, we
>>>>>can have a NOT gate equivalent. But does an OR gate exist in natural
>>>>>protein pathways? An XOR gate?
>>>>>
>>>>>-Andrew
>>>>>
>>>>
>>>>---
>>>
>>>
>>---
>>
> 
> 
> 
> ---
> 

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