Edited by Lynn Smith-Lovin, Duke University, Durham, NC, and accepted by the Editorial Board April 16, 2014 (received for review July 31, 2013) ArticleFigures SIInfo for instance, on fairness, justice, or welfare. Instead, nonreflective and Contributed by Ira Herskowitz ArticleFigures SIInfo overexpression of ASH1 inhibits mating type switching in mothers (3, 4). Ash1p has 588 amino acid residues and is predicted to contain a zinc-binding domain related to those of the GATA fa
Cover image: The heliozoan Actinosphaerium eichhornii was traditionally classified in the monophyletic superclass Actinopoda. However, molecular phylogenetic analysis reveals that Actinopoda have a polyphyletic origin, with most of them diverging among the Rhizaria, an emerging supergroup of amoeboid eukaryotes. See the article by Nikolaev et al. on pages8066–8071. Photograph courtesy of José F. Fahrni.