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Partial vs. whole trees

J Preiss--Seq Anal preissj at CLVAX1.CL.MSU.EDU
Fri Mar 12 13:47:00 EST 1993


With all this discussion about the merits of using partial trees, and warnins
about the dangers of using only 300bp from a 3,000bp viral genome, I am 
begining to wonder what this means for us eukaryotic biologists.  Has anyone
made a tree of a eukaryote from a complete sequence (of the entire genome)?
Sorry, obviously a retorical question.  But, what about 10% of a genomic 
sequence as with viral work.  What does this mean for the confidence levels
of all those phylogenies based on 0.0001% (ie a single gene)?
	I have no answer.  I don't even work on trees (they grow too slow for
me) I'm just curious about this aspect of this recent discussion.

	Dr. Leonard N. Bloksberg
	PreissJ at clvax1.cl.msu.edu
	Dept. of Biochemistry
	Michigan State University





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