Cbcb:Pop-Lab:Niranjan-Report: Difference between revisions

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Report for March 2nd, 2009


[[Tasks]]
1) Made more updates to my webpage
2) Started making a presentation for my job talk
3) Assisted Carl in writing a grant proposal to extend on our
  work on reassortments in the Flu genome.
[[Papers Read]]
1. [Non-random reassortment in human influenza A viruses]
R. Rabadan, A.J. Levine and M. Krasnitz.
The basic idea in this paper is that if you assume constant
rate of mutational drift in different segments of the same strain (an
assumption that seems to be true on a coarse level for some segments, but
not for others) then given two non-reassorted strains the nucleotide
differences between their NA segments should be roughly proportional to
that from the HA segments and they use that as a test to identify putative
reassortments. They use a vaguely described idea to figure out which
combination of segments have reassorted (probably done manually) and they
seem to make no attempt to figure out if a set of taxa have reassorted
based on a common event. Finally, there is no evaluation of the capability
of this method, just a list of results which seem to clearly miss the
reassortments we already know of! In fact they make the claim that they
find all the reassortments from earlier works, in the abstract!

Latest revision as of 14:00, 6 April 2009