| | This journal provides immediate access to some articles. In This Issue The Role of PHANTASTICA in Leaf Development Nancy A. Eckardt PMCID: PMC423200 Research Articles cis-Regulatory Elements for Mesophyll-Specific Gene Expression in the C4 Plant Flaveria trinervia, the Promoter of the C4 Phosphoenolpyruvate Carboxylase Gene Udo Gowik, Janet Burscheidt, Meryem Akyildiz, Ute Schlue, Maria Koczor, Monika Streubel, and Peter Westhoff PMCID: PMC423201 ATR Regulates a G2-Phase Cell-Cycle Checkpoint in Arabidopsis thaliana Kevin Culligan, Alain Tissier, and Anne Britt PMCID: PMC423202 Jittery, a Mutator Distant Relative with a Paradoxical Mobile Behavior: Excision without Reinsertion Zhennan Xu, Xianghe Yan, Steve Maurais, Huihua Fu, David G. O'Brien, John Mottinger, and Hugo K. Dooner PMCID: PMC423203 The Variability of Sesquiterpenes Emitted from Two Zea mays Cultivars Is Controlled by Allelic Variation of Two Terpene Synthase Genes Encoding Stereoselective Multiple Product Enzymes Tobias G. Köllner, Christiane Schnee, Jonathan Gershenzon, and Jörg Degenhardt PMCID: PMC423204 COS1: An Arabidopsis coronatine insensitive1 Suppressor Essential for Regulation of Jasmonate-Mediated Plant Defense and Senescence Shi Xiao, Liangying Dai, Fuquan Liu, Zhilong Wang, Wen Peng, and Daoxin Xie PMCID: PMC423205 The Ascorbic Acid Redox State Controls Guard Cell Signaling and Stomatal Movement Zhong Chen and Daniel R. Gallie PMCID: PMC423206 Differential Activation of the Rice Sucrose Nonfermenting1–Related Protein Kinase2 Family by Hyperosmotic Stress and Abscisic Acid Yuhko Kobayashi, Shuhei Yamamoto, Hideyuki Minami, Yasuaki Kagaya, and Tsukaho Hattori PMCID: PMC423207 SPIRAL1 Encodes a Plant-Specific Microtubule-Localized Protein Required for Directional Control of Rapidly Expanding Arabidopsis Cells Keiji Nakajima, Ikuyo Furutani, Hideki Tachimoto, Hiroshige Matsubara, and Takashi Hashimoto PMCID: PMC423208 The transparent testa4 Mutation Prevents Flavonoid Synthesis and Alters Auxin Transport and the Response of Arabidopsis Roots to Gravity and Light Charles S. Buer and Gloria K. Muday PMCID: PMC423209 The Embryo MADS Domain Protein AGAMOUS-Like 15 Directly Regulates Expression of a Gene Encoding an Enzyme Involved in Gibberellin Metabolism Huai Wang, Leonardo V. Caruso, A. Bruce Downie, and Sharyn E. Perry PMCID: PMC423210 Comparative Analysis of the Receptor-Like Kinase Family in Arabidopsis and Rice Shin-Han Shiu, Wojciech M. Karlowski, Runsun Pan, Yun-Huei Tzeng, Klaus F. X. Mayer, and Wen-Hsiung Li PMCID: PMC423211 Probing the MicroRNA and Small Interfering RNA Pathways with Virus-Encoded Suppressors of RNA Silencing Patrice Dunoyer, Charles-Henri Lecellier, Eneida Abreu Parizotto, Christophe Himber, and Olivier Voinnet PMCID: PMC423212 PHANTASTICA Regulates Development of the Adaxial Mesophyll in Nicotiana Leaves Neil A. McHale and Ross E. Koning PMCID: PMC423213 COTYLEDON VASCULAR PATTERN2–Mediated Inositol (1,4,5) Triphosphate Signal Transduction Is Essential for Closed Venation Patterns of Arabidopsis Foliar Organs Francine M. Carland and Timothy Nelson PMCID: PMC423214 Extracellular Invertase Is an Essential Component of Cytokinin-Mediated Delay of Senescence Maria Encarnación Balibrea Lara, Maria-Cruz Gonzalez Garcia, Tahira Fatima, Rainer Ehneß, Taek Kyun Lee, Reinhard Proels, Widmar Tanner, and Thomas Roitsch PMCID: PMC423215 maternally expressed gene1 Is a Novel Maize Endosperm Transfer Cell–Specific Gene with a Maternal Parent-of-Origin Pattern of Expression Jose F. Gutiérrez-Marcos, Liliana M. Costa, Corinne Biderre-Petit, Bouchaib Khbaya, Donal M. O'Sullivan, Mark Wormald, Pascual Perez, and Hugh G. Dickinson PMCID: PMC423216 Viral Virulence Protein Suppresses RNA Silencing–Mediated Defense but Upregulates the Role of MicroRNA in Host Gene Expression Jun Chen, Wan Xiang Li, Daoxin Xie, Jin Rong Peng, and Shou Wei Ding PMCID: PMC423217 Genome-Wide Analysis of Spatial Gene Expression in Arabidopsis Flowers Frank Wellmer, José Luis Riechmann, Márcio Alves-Ferreira, and Elliot M. Meyerowitz PMCID: PMC423218 P-Type ATPase Heavy Metal Transporters with Roles in Essential Zinc Homeostasis in Arabidopsis Dawar Hussain, Michael J. Haydon, Yuwen Wang, Edwin Wong, Sarah M. Sherson, Jeff Young, James Camakaris, Jeffrey F. Harper, and Christopher S. Cobbett PMCID: PMC423219 Determinants of Plant U12-Dependent Intron Splicing Efficiency Dominika Lewandowska, Craig G. Simpson, Gillian P. Clark, Nikki S. Jennings, Maria Barciszewska-Pacak, Chiao-Feng Lin, Wojciech Makalowski, John W.S. Brown, and Artur Jarmolowski PMCID: PMC423220 |
