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SUMMARY:New methods of identifying fast-evolving sites in aligned sequence
  data - Jermiin\, L (CSIRO Ecosystem Sciences (CES))
DTSTART:20110621T155000Z
DTEND:20110621T161000Z
UID:TALK31805@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Rate-heterogeneity across sites is a widely recognized problem
  in molecular phylogenetic studies. Attempts to overcome the problem invol
 ve deleting the fastest-evolving sites from the data before the phylogenet
 ic analysis and/or using phylogenetic methods that assume rate-heterogenei
 ty across sites can be modeled by a distribution of probabilities. Each of
  these methods has its advantages and limitations. Here\, we describe and 
 compare five metrics that may be used to identify the fast-evolving sites.
  One of these metrics (i.e.\, the probability of compatibility) turned out
  to be particular good at identifying fast-evolving sites\, and when these
  sites are removed from the data\, the result is an increase in the consis
 tency of the alignment and\, in some cases\, another phylogeny.\n
LOCATION:Seminar Room 1\, Newton Institute
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