convergent sequence evolution

John Gillespie john at josquin.ucdavis.edu
Wed Sep 1 10:07:06 EST 1993


Tanya Reichert (reichert at bu.bu.edu) wrote:
: Has anyone heard of any examples of convergent sequence (a.a. or 
: DNA) evolution besides stomach lysozyme in ruminants and 
: colobine monkeys?

The most spectacular examples are in halophytic archaebacteria.  They
cope with high salt concentrations by placing acidic amino acids on
the exterior of proteins.  Apparantly there are lots of convergences.
Check with Patrick Dennis at UBC (I think).



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