Department of Physiology and Molecular Biodiversity, Institute of Molecular Biology of Barcelona, CSIC, 08034 Barcelona, Spain. jcvagr@ibmb.csic.es
A recent large-scale phylogenomic study has shown the great degree of topological variation that can be found among eukaryotic phylogenetic trees constructed from single genes, highlighting the problems that can be associated with gene sampling in phylogenetic studies.