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 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
Cover image: A variety of chemically synthesized natural products. Natural products have been extracted from numerous environments worldwide. Study of these chemicals has helped researchers develop new reactions and cascade sequences, identify clinical drug candidates, and understand physical organic chemistry principles. See the Perspective by Nicolaou and Snyder on pages 11929–11936.