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© 2008 Society of Systematic Biologists
More Taxa Are Not Necessarily Better for the Reconstruction of Ancestral Character States
Edited by Todd Oakley
1 Department of Computer Science, National University of Singapore Singapore, 117590; E-mail: ligl@comp.nus.edu.sg
2 Biomathematics Research Centre, University of Canterbury Christchurch, New Zealand; E-mail: M.Steel@math.canterbury.ac.nz
3 Department of Mathematics, National University of Singapore Singapore, 117543; E-mail: matzlx@nus.edu.sg
Received November 17, 2007; Revised February 11, 2008; Accepted April 7, 2008
| The first 150 words of the full text of this article appear below. |
Ancestral state reconstruction is an important approach to understanding the origins and evolution of key features of different living organisms (Liberles, 2007). For example, ancestral proteins and genomic sequences have been reconstructed for investigating the origins of genes and proteins (Hillis et al., 1994; Jermann et al., 1995; Zhang and Rosenberg, 2002; Gaucher et al., 2003; Thornton et al., 2003; Blanchette et al., 2004; Cai et al., 2004; Felsenstein, 2004; Taubenberger et al., 2005). A variety of reconstruction methods, including parsimony and maximum likelihood, exist for biomolecular sequencing (Yang et al., 1995; Koshi and Goldstein, 1996; Elias and Tuller, 2007), multistate discrete data (Schultz et al., 1996; Mooers and Schluter, 1999; Pagel, 1999), and continuous data (Martins, 1999). These different reconstruction methods have been assessed by both theoretical
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