Masami Hasegawa

TL;DR: A new statistical method for estimating divergence dates of species from DNA sequence data by a molecular clock approach is developed, and this dating may pose a problem for the widely believed hypothesis that the bipedal creatureAustralopithecus afarensis, which lived some 3.7 million years ago, was ancestral to man and evolved after the human-ape splitting.

TL;DR: A modification of the KH test to take into account a multiplicity of testings is presented, which shows how the test was designed for comparing two topologies but is often used for comparing many topologies.

TL;DR: A new method for estimating the variance of the difference between log likelihood of different tree topologies is developed by expressing it explicitly in order to evaluate the maximum likelihood branching order among Hominoidea.

TL;DR: UNLABELLED CONSEL is a program to assess the confidence of the tree selection by giving the p-values for the trees using the multi-scale bootstrap technique, which is less biased than the other conventional p- values.

TL;DR: A phylogeny of chloroplast genomes inferred from 41 proteins and 8,303 amino acids sites indicates that at least two independent secondary endosymbiotic events have occurred involving red algae and that amino acid composition bias in chloropleft proteins strongly affects plastid genome phylogeny.