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RE: New extinction theory



Since this is a molecular paper, I'm imagining the
authours touting a new theory that flies in the face
of all previous evidence, but makes sense from a
molecular standpoint. 

Those molecular guys are so weird.

Jason

+++++++++++++++++++++++++++++

On Sun, 05 Jun 2005 11:32:23 -0400 "Andrew A. Farke"
> <afarke@ic.sunysb.edu> writes:
> > I haven't had a chance to read through this yet
> (or will I in the 
> > near
> > future), but figured it might be of interest to
> some on the list.
> > 
> > Wang, G.-Z., B.-G. Ma, Y. Yang, and H.-Y. Zhang.
> Unexpected amino 
> > acid
> > composition of modern Reptilia and its
> implications in molecular 
> > mechanisms
> > of dinosaur extinction. Biochemical and
> Biophysical Research 
> > Communications
> > In Press, Corrected Proof.
> > 
> > Dinosaur extinction is a great challenge to
> evolutionary biology. 
> > Although
> > accumulating evidence suggests that an abrupt
> change of environment, 
> > such as
> > a long period of low temperature induced by
> asteroid hit or other 
> > disasters,
> > may be responsible for dinosaur extinction, little
> is known about 
> > the
> > underlying molecular mechanisms. By analyzing the
> amino acid 
> > compositions of
> > 13 biological classes, we found that the charged
> amino acid content 
> > of
> > modern Reptilia, the sibling of dinosaur, is
> strikingly different 
> > from those
> > of other classes, which inspires us to propose a
> possible molecular
> > mechanism for dinosaur extinction.
> > 
> > ________________________________
> > Andrew A. Farke, Graduate Student
> > Department of Anatomical Sciences
> > Stony Brook University
> > T8 040 Health Sciences Center
> > Stony Brook, NY  11794-8081
> >  
> > Phone: 631-444-7364
> > Email: afarke@ic.sunysb.edu
> > 
> > 
> > 
> > 
> 
> 
> 


"I am impressed by the fact that we know less about many modern [reptile] types 
than we do of many fossil groups." - Alfred S. Romer


                
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