Punctuated equilibrium and molecular clocks?

Thorsten Burmester thorsten at erfurt.thur.de
Tue Sep 8 12:13:37 EST 1998


Johnjoe McFadden wrote:
> 
> Punctuated equilibrium and molecular clocks?

[...]

> Carl Wooese did suggest that mycoplasmas have gone through a rapid burst
> of evolution on the basis of ribosomal RNA sequences but is there any
> other evidence?

Yes, there is: Friedrich and Tautz (1997) An episodic change of rDNA
               nucleotide substitution rate has occurred during the 
               emergence of the insect order Diptera. 
               Mol. Biol. Evol. 14, 644-653

Thorsten




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