Non-hereditary maximum parsimony trees

Details Non-hereditary maximum parsimony trees Non-hereditary maximum parsimony trees

2010-07-22

arxiv.org/abs/1007.3964v2

Biology

Quantitative Biology

Populations and Evolution

22 pages, 10 figures

Scientific paper

In this paper, we investigate a conjecture by von Haeseler concerning the Maximum Parsimony method for phylogenetic estimation, which was published by the Newton Institute in Cambridge on a list of open phylogenetic problems in 2007. This conjecture deals with the question whether Maximum Parsimony trees are hereditary. The conjecture suggests that a Maximum Parsimony tree for a particular (DNA) alignment necessarily has subtrees of all possible sizes which are most parsimonious for the corresponding subalignments. We answer the conjecture affirmatively for binary alignments on five taxa but also show how to construct examples for which Maximum Parsimony trees are not hereditary. Apart from showing that a most parsimonious tree cannot generally be reduced to a most parsimonious tree on fewer taxa, we also show that compatible most parsimonious quartets do not have to provide a most parsimonious supertree. Last, we show that our results can be generalized to Maximum Likelihood for certain nucleotide substitution models.

Affiliated with

Also associated with

No associations

Rating

Non-hereditary maximum parsimony trees does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Non-hereditary maximum parsimony trees, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non-hereditary maximum parsimony trees will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-613002