IUBio Biosequences .. Software .. Molbio soft .. Network News .. FTP

Gating functions in protein networks

Caltech News Server hsauro at cxx.calxxx.edu
Tue Aug 19 05:08:17 EST 2003


I'm not sure if chaotic dynamics occurs very offen in cellular networks,
there are a few specific examples such as when a heart fibrillates
(perhaps), but in general I've not seem much evidence for it.

Herbert


"Dan" <dmb at mrc-dunn.cam.ac.uk> wrote in message
news:3F38F35F.5070508 at mrc-dunn.cam.ac.uk...
> 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
> >>>>>
> >>>>
> >>>>---
> >>>
> >>>
> >>---
> >>
> >
> >
> >
> > ---
> >
>
> ---
>


---





More information about the Bio-soft mailing list

Send comments to us at biosci-help [At] net.bio.net