About the Authors
Department of Molecular Genetics and Cell Biology, University of Chicago, Chicago, Illinois, United States of America
Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, Colorado, United States of America
Centre de Genetique Moleculaire, Centre National de la Recherche Scientifique, Gif-sur-Yvette, France
The authors have declared that no competing interests exist.
NCE and APT conceived and designed the experiments. NCE and GM performed the experiments. NCE, GM, MW, and APT analyzed the data. MW, LS, and APT contributed reagents/materials/analysis tools. NCE and APT wrote the paper.