| | This journal provides immediate access to some articles. Colloquium Papers Transmission of prions C. Weissmann, M. Enari, P.-C. Klöhn, D. Rossi, and E. Flechsig Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16378–16383. doi: 10.1073/pnas.172403799.PMCID: PMC139897 Conservation of a portion of the S. cerevisiae Ure2p prion domain that interacts with the full-length protein Herman K. Edskes and Reed B. Wickner Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16384–16391. doi: 10.1073/pnas.162349599.PMCID: PMC139898 Interactions among prions and prion “strains” in yeast Michael E. Bradley, Herman K. Edskes, Joo Y. Hong, Reed B. Wickner, and Susan W. Liebman Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16392–16399. doi: 10.1073/pnas.152330699.PMCID: PMC139899 Identification of benzothiazoles as potential polyglutamine aggregation inhibitors of Huntington's disease by using an automated filter retardation assay Volker Heiser, Sabine Engemann, Wolfgang Bröcker, Ilona Dunkel, Annett Boeddrich, Stephanie Waelter, Eddi Nordhoff, Rudi Lurz, Nancy Schugardt, Susanne Rautenberg, Christian Herhaus, Gerhard Barnickel, Henning Böttcher, Hans Lehrach, and Erich E. Wanker Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16400–16406. doi: 10.1073/pnas.182426599.PMCID: PMC139900 Chaperoning brain degeneration Nancy M. Bonini Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16407–16411. doi: 10.1073/pnas.152330499.PMCID: PMC139901 Molecular chaperones as modulators of polyglutamine protein aggregation and toxicity Hideki Sakahira, Peter Breuer, Manajit K. Hayer-Hartl, and F. Ulrich Hartl Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16412–16418. doi: 10.1073/pnas.182426899.PMCID: PMC139902 Studies of the aggregation of mutant proteins in vitro provide insights into the genetics of amyloid diseases Fabrizio Chiti, Martino Calamai, Niccolò Taddei, Massimo Stefani, Giampietro Ramponi, and Christopher M. Dobson Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16419–16426. doi: 10.1073/pnas.212527999.PMCID: PMC139903 Sequence-dependent denaturation energetics: A major determinant in amyloid disease diversity Per Hammarström, Xin Jiang, Amy R. Hurshman, Evan T. Powers, and Jeffery W. Kelly Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16427–16432. doi: 10.1073/pnas.202495199.PMCID: PMC139904 The insulation of genes from external enhancers and silencing chromatin Bonnie Burgess-Beusse, Catherine Farrell, Miklos Gaszner, Michael Litt, Vesco Mutskov, Felix Recillas-Targa, Melanie Simpson, Adam West, and Gary Felsenfeld Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16433–16437. doi: 10.1073/pnas.162342499.PMCID: PMC139905 Histone H3 lysine 4 methylation is mediated by Set1 and promotes maintenance of active chromatin states in fission yeast Ken-ichi Noma and Shiv I. S. Grewal Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16438–16445. doi: 10.1073/pnas.182436399.PMCID: PMC139906 Changes in the middle region of Sup35 profoundly alter the nature of epigenetic inheritance for the yeast prion [PSI+] Jia-Jia Liu, Neal Sondheimer, and Susan L. Lindquist Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16446–16453. doi: 10.1073/pnas.252652099.PMCID: PMC139907 Heritable chromatin structure: Mapping “memory” in histones H3 and H4 Christine M. Smith, Zara W. Haimberger, Catherine O. Johnson, Alex J. Wolf, Philip R. Gafken, Zhongli Zhang, Mark R. Parthun, and Daniel E. Gottschling Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16454–16461. doi: 10.1073/pnas.182424999.PMCID: PMC139908 Does heterochromatin protein 1 always follow code? Yuhong Li, Dawn A. Kirschmann, and Lori L. Wallrath Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16462–16469. doi: 10.1073/pnas.162371699.PMCID: PMC139909 Self-perpetuating epigenetic pili switches in bacteria Aaron Hernday, Margareta Krabbe, Bruce Braaten, and David Low Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16470–16476. doi: 10.1073/pnas.182427199.PMCID: PMC139910 Histone H3 variants specify modes of chromatin assembly Kami Ahmad and Steven Henikoff Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16477–16484. doi: 10.1073/pnas.172403699.PMCID: PMC139911 Induction and maintenance of nonsymmetrical DNA methylation in Neurospora Eric U. Selker, Michael Freitag, Gregory O. Kothe, Brian S. Margolin, Michael R. Rountree, C. David Allis, and Hisashi Tamaru Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16485–16490. doi: 10.1073/pnas.182427299.PMCID: PMC139912 Locus-specific control of asymmetric and CpNpG methylation by the DRM and CMT3 methyltransferase genes Xiaofeng Cao and Steven E. Jacobsen Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16491–16498. doi: 10.1073/pnas.162371599.PMCID: PMC139913 RNA-directed DNA methylation in Arabidopsis Werner Aufsatz, M. Florian Mette, Johannes van der Winden, Antonius J. M. Matzke, and Marjori Matzke Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16499–16506. doi: 10.1073/pnas.162371499.PMCID: PMC139914 Introduction Self-perpetuating structural states in biology, disease, and genetics Susan L. Lindquist and Steven Henikoff Proc Natl Acad Sci U S A. 2002 December 10; 99(Suppl 4): 16377. doi: 10.1073/pnas.212504699.PMCID: PMC139896 |