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GC-content of genomes - a trap for cladists?

Marc Robinson marc.robinson at ens-lyon.fr
Fri Feb 26 13:15:48 EST 1999

Steffen Schmidt wrote:
> I'am looking for ideas and papers about the following statement which is
> possibly wrong (but why?):
> Most people think, that the last common ancestor was a thermophilic
> organism (e.g. Woese et al.) because of  sequence comparisons.

You may want to look at this:

Science 1999 Jan 8;283(5399):220-1 
A nonhyperthermophilic common ancestor to extant life forms.
Galtier N, Tourasse N, Gouy M

hope this helps
Marc Robinson
Laboratoire de Biologie Moleculaire et Cellulaire
Ecole Normale Superieure de Lyon
6, allee d'Italie               tel : +33-4 72 72 86 45
69364 LYON cedex 07             fax : +33-4 72 72 80 80
France               e-mail : marc.robinson at ens-lyon.fr

 "La liberte ne s'use que quand on ne s'en sert pas."

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