Detecting the symplesiomorphy trap: a multigene phylogenetic analysis of terebelliform annelids.

ABSTRACT:

Background

For phylogenetic reconstructions, conflict in signal is a potential problem for tree reconstruction. For instance, molecular data from different cellular components, such as the mitochondrion and nucleus, may be inconsistent with each other. Mammalian studies provide one such case of conflict where mitochondrial data, which display compositional biases, support the Marsupionta hypothesis, but nuclear data confirm the Theria hypothesis. Most observations of compositional biases in tree reconstruction have focused on lineages with different composition than the majority of the lineages under analysis. However in some situations, the position of taxa that lack compositional bias may be influenced rather than the position of taxa that possess compositional bias. This situati

SUBMITTER: Zhong M 

PROVIDER: S-EPMC3282830 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature