| | This journal provides immediate access to some articles. In This Issue Ins and Outs of Programmed Cell Death and Toxin Action Nancy A. Eckardt PMCID: PMC1276012 Current Perspective Essay Rapid Changes in Plant Genomes Steven Henikoff PMCID: PMC1276013 Letter to the Editor A Toxic Mutator and Selection Alternative to the Non-Mendelian RNA Cache Hypothesis for hothead Reversion Luca Comai and Reed A. Cartwright PMCID: PMC1276014 Research Articles A Large-Scale Screen for Artificial Selection in Maize Identifies Candidate Agronomic Loci for Domestication and Crop Improvement Masanori Yamasaki, Maud I. Tenaillon, Irie Vroh Bi, Steve G. Schroeder, Hector Sanchez-Villeda, John F. Doebley, Brandon S. Gaut, and Michael D. McMullen PMCID: PMC1276015 Ectopic DICER-LIKE1 Expression in P1/HC-Pro Arabidopsis Rescues Phenotypic Anomalies but Not Defects in MicroRNA and Silencing Pathways Sizolwenkosi Mlotshwa, Stephen E. Schauer, Trenton H. Smith, Allison C. Mallory, J.M. Herr, Jr., Braden Roth, Delwin S. Merchant, Animesh Ray, Lewis H. Bowman, and Vicki B. Vance PMCID: PMC1276016 Maize rough sheath2 and Its Arabidopsis Orthologue ASYMMETRIC LEAVES1 Interact with HIRA, a Predicted Histone Chaperone, to Maintain knox Gene Silencing and Determinacy during Organogenesis Tara L. Phelps-Durr, Julie Thomas, Phil Vahab, and Marja C.P. Timmermans PMCID: PMC1276017 Auxin Response Factors Mediate Arabidopsis Organ Asymmetry via Modulation of KANADI Activity Irena Pekker, John Paul Alvarez, and Yuval Eshed PMCID: PMC1276018 RNA Interference Identifies a Calcium-Dependent Protein Kinase Involved in Medicago truncatula Root Development Sergey Ivashuta, Jinyuan Liu, Junqi Liu, Dasharath P. Lohar, Sajeet Haridas, Bruna Bucciarelli, Kathryn A. VandenBosch, Carroll P. Vance, Maria J. Harrison, and J. Stephen Gantt PMCID: PMC1276019 PGP4, an ATP Binding Cassette P-Glycoprotein, Catalyzes Auxin Transport in Arabidopsis thaliana Roots Kazuyoshi Terasaka, Joshua J. Blakeslee, Boosaree Titapiwatanakun, Wendy A. Peer, Anindita Bandyopadhyay, Srinivas N. Makam, Ok Ran Lee, Elizabeth L. Richards, Angus S. Murphy, Fumihiko Sato, and Kazufumi Yazaki PMCID: PMC1276020 The Arabidopsis STV1 Protein, Responsible for Translation Reinitiation, Is Required for Auxin-Mediated Gynoecium Patterning Taisuke Nishimura, Takuji Wada, Kotaro T. Yamamoto, and Kiyotaka Okada PMCID: PMC1276021 Transcriptome and Selected Metabolite Analyses Reveal Multiple Points of Ethylene Control during Tomato Fruit Development Rob Alba, Paxton Payton, Zhanjun Fei, Ryan McQuinn, Paul Debbie, Gregory B. Martin, Steven D. Tanksley, and James J. Giovannoni PMCID: PMC1276022 TRANSPARENT TESTA10 Encodes a Laccase-Like Enzyme Involved in Oxidative Polymerization of Flavonoids in Arabidopsis Seed Coat Lucille Pourcel, Jean-Marc Routaboul, Lucien Kerhoas, Michel Caboche, Loïc Lepiniec, and Isabelle Debeaujon PMCID: PMC1276023 MYB98 Is Required for Pollen Tube Guidance and Synergid Cell Differentiation in Arabidopsis Ryushiro D. Kasahara, Michael F. Portereiko, Linda Sandaklie-Nikolova, David S. Rabiger, and Gary N. Drews PMCID: PMC1276024 The NAC Transcription Factors NST1 and NST2 of Arabidopsis Regulate Secondary Wall Thickenings and Are Required for Anther Dehiscence Nobutaka Mitsuda, Motoaki Seki, Kazuo Shinozaki, and Masaru Ohme-Takagi PMCID: PMC1276025 Multiple Type-B Response Regulators Mediate Cytokinin Signal Transduction in Arabidopsis Michael G. Mason, Dennis E. Mathews, D. Aaron Argyros, Bridey B. Maxwell, Joseph J. Kieber, Jose M. Alonso, Joseph R. Ecker, and G. Eric Schaller PMCID: PMC1276026 Extracellular ATP Functions as an Endogenous External Metabolite Regulating Plant Cell Viability Stephen Chivasa, Bongani K. Ndimba, William J. Simon, Keith Lindsey, and Antoni R. Slabas PMCID: PMC1276027 Cell Cycle Progression in the Pericycle Is Not Sufficient for SOLITARY ROOT/IAA14-Mediated Lateral Root Initiation in Arabidopsis thaliana Steffen Vanneste, Bert De Rybel, Gerrit T.S. Beemster, Karin Ljung, Ive De Smet, Gert Van Isterdael, Mirande Naudts, Ryusuke Iida, Wilhelm Gruissem, Masao Tasaka, Dirk Inzé, Hidehiro Fukaki, and Tom Beeckman PMCID: PMC1276028 Arabinogalactan Proteins Are Required for Apical Cell Extension in the Moss Physcomitrella patens Kieran J.D. Lee, Yoichi Sakata, Shaio-Lim Mau, Filomena Pettolino, Antony Bacic, Ralph S. Quatrano, Celia D. Knight, and J. Paul Knox PMCID: PMC1276029 Selective Membrane Protein Internalization Accompanies Movement from the Endoplasmic Reticulum to the Protein Storage Vacuole Pathway in Arabidopsis Mohammed Oufattole, Joon Ho Park, Marianne Poxleitner, Liwen Jiang, and John C. Rogers PMCID: PMC1276030 Diacidic Motifs Influence the Export of Transmembrane Proteins from the Endoplasmic Reticulum in Plant Cells Sally L. Hanton, Luciana Renna, Lauren E. Bortolotti, Laurent Chatre, Giovanni Stefano, and Federica Brandizzi PMCID: PMC1276031 Mutation of the TGD1 Chloroplast Envelope Protein Affects Phosphatidate Metabolism in Arabidopsis Changcheng Xu, Jilian Fan, John E. Froehlich, Koichiro Awai, and Christoph Benning PMCID: PMC1276032 Functional Differentiation of Bundle Sheath and Mesophyll Maize Chloroplasts Determined by Comparative Proteomics Wojciech Majeran, Yang Cai, Qi Sun, and Klaas J. van Wijk PMCID: PMC1276033 Crystal Structures of a Multifunctional Triterpene/Flavonoid Glycosyltransferase from Medicago truncatula Hui Shao, Xianzhi He, Lahoucine Achnine, Jack W. Blount, Richard A. Dixon, and Xiaoqiang Wang PMCID: PMC1276034 The Arabidopsis Cold-Responsive Transcriptome and Its Regulation by ICE1 Byeong-ha Lee, David A. Henderson, and Jian-Kang Zhu PMCID: PMC1276035 A Continent of Plant Defense Peptide Diversity: Cyclotides in Australian Hybanthus (Violaceae) Shane M. Simonsen, Lillian Sando, David C. Ireland, Michelle L. Colgrave, Rekha Bharathi, Ulf Göransson, and David J. Craik PMCID: PMC1276036 Structure of Ptr ToxA: An RGD-Containing Host-Selective Toxin from Pyrenophora tritici-repentis Ganapathy N. Sarma, Viola A. Manning, Lynda M. Ciuffetti, and P. Andrew Karplus PMCID: PMC1276037 Localization of Ptr ToxA Produced by Pyrenophora tritici-repentis Reveals Protein Import into Wheat Mesophyll Cells Viola A. Manning and Lynda M. Ciuffetti PMCID: PMC1276038 |
