| | This journal provides immediate access to some articles. In This Issue Genetic and Epigenetic Regulation of Embryogenesis Nancy A. Eckardt Plant Cell. 2006 April; 18(4): 781–784. doi: 10.1105/tpc.106.042440.PMCID: PMC1425841 In Brief Energy Dissipation: New Role for a Carotenoid Protein in Cyanobacteria Nancy A. Eckardt Plant Cell. 2006 April; 18(4): 785. doi: 10.1105/tpc.106.180410.PMCID: PMC1425855 Interorganellar Communication: Protein Synthesis in Organelles Influences Nuclear Photosynthetic Gene Expression Nancy A. Eckardt Plant Cell. 2006 April; 18(4): 785. doi: 10.1105/tpc.106.180411.PMCID: PMC1425864 Current Perspective Essay Studies of Abscisic Acid Perception Finally Flower Ruth R. Finkelstein Plant Cell. 2006 April; 18(4): 786–791. doi: 10.1105/tpc.106.041129.PMCID: PMC1425860 Historical Perspective Essay Plant Circadian Rhythms C. Robertson McClung Plant Cell. 2006 April; 18(4): 792–803. doi: 10.1105/tpc.106.040980.PMCID: PMC1425852 Research Articles DNA Methylation Is Critical for Arabidopsis Embryogenesis and Seed Viability Wenyan Xiao, Kendra D. Custard, Roy C. Brown, Betty E. Lemmon, John J. Harada, Robert B. Goldberg, and Robert L. Fischer Plant Cell. 2006 April; 18(4): 805–814. doi: 10.1105/tpc.105.038836.PMCID: PMC1425851 Arabidopsis GLUTAMINE-RICH PROTEIN23 Is Essential for Early Embryogenesis and Encodes a Novel Nuclear PPR Motif Protein That Interacts with RNA Polymerase II Subunit III Yong-He Ding, Nai-You Liu, Zuo-Shun Tang, Jie Liu, and Wei-Cai Yang Plant Cell. 2006 April; 18(4): 815–830. doi: 10.1105/tpc.105.039495.PMCID: PMC1425853 A Small Family of MYB-Regulatory Genes Controls Floral Pigmentation Intensity and Patterning in the Genus Antirrhinum Kathy Schwinn, Julien Venail, Yongjin Shang, Steve Mackay, Vibeke Alm, Eugenio Butelli, Ryan Oyama, Paul Bailey, Kevin Davies, and Cathie Martin Plant Cell. 2006 April; 18(4): 831–851. doi: 10.1105/tpc.105.039255.PMCID: PMC1425845 The TORNADO1 and TORNADO2 Genes Function in Several Patterning Processes during Early Leaf Development in Arabidopsis thaliana Gerda Cnops, Pia Neyt, Jeroen Raes, Marica Petrarulo, Hilde Nelissen, Nenad Malenica, Christian Luschnig, Olaf Tietz, Franck Ditengou, Klaus Palme, Abdelkrim Azmi, Els Prinsen, and Mieke Van Lijsebettens Plant Cell. 2006 April; 18(4): 852–866. doi: 10.1105/tpc.105.040568.PMCID: PMC1425859 Calcium-Dependent Protein Kinase Isoforms in Petunia Have Distinct Functions in Pollen Tube Growth, Including Regulating Polarity Gyeong Mee Yoon, Peter E. Dowd, Simon Gilroy, and Andrew G. McCubbin Plant Cell. 2006 April; 18(4): 867–878. doi: 10.1105/tpc.105.037135.PMCID: PMC1425858 Arabidopsis TEBICHI, with Helicase and DNA Polymerase Domains, Is Required for Regulated Cell Division and Differentiation in Meristems Soichi Inagaki, Takamasa Suzuki, Masa-aki Ohto, Hiroko Urawa, Takashi Horiuchi, Kenzo Nakamura, and Atsushi Morikami Plant Cell. 2006 April; 18(4): 879–892. doi: 10.1105/tpc.105.036798.PMCID: PMC1425847 The D-Type Cyclin CYCD3;1 Is Limiting for the G1-to-S-Phase Transition in Arabidopsis Margit Menges, Anne K. Samland, Séverine Planchais, and James A.H. Murray Plant Cell. 2006 April; 18(4): 893–906. doi: 10.1105/tpc.105.039636.PMCID: PMC1425856 The Structure of Rauvolfia serpentina Strictosidine Synthase Is a Novel Six-Bladed β-Propeller Fold in Plant Proteins Xueyan Ma, Santosh Panjikar, Juergen Koepke, Elke Loris, and Joachim Stöckigt Plant Cell. 2006 April; 18(4): 907–920. doi: 10.1105/tpc.105.038018.PMCID: PMC1425862 Arabidopsis SHORT HYPOCOTYL UNDER BLUE1 Contains SPX and EXS Domains and Acts in Cryptochrome Signaling Xiaojun Kang and Min Ni Plant Cell. 2006 April; 18(4): 921–934. doi: 10.1105/tpc.105.037879.PMCID: PMC1425848 Selective Mobility and Sensitivity to SNAREs Is Exhibited by the Arabidopsis KAT1 K+ Channel at the Plasma Membrane Jens-Uwe Sutter, Prisca Campanoni, Matthew Tyrrell, and Michael R. Blatt Plant Cell. 2006 April; 18(4): 935–954. doi: 10.1105/tpc.105.038950.PMCID: PMC1425843 LOW PSII ACCUMULATION1 Is Involved in Efficient Assembly of Photosystem II in Arabidopsis thaliana Lianwei Peng, Jinfang Ma, Wei Chi, Jinkui Guo, Shuyong Zhu, Qingtao Lu, Congming Lu, and Lixin Zhang Plant Cell. 2006 April; 18(4): 955–969. doi: 10.1105/tpc.105.037689.PMCID: PMC1425854 Nuclear Photosynthetic Gene Expression Is Synergistically Modulated by Rates of Protein Synthesis in Chloroplasts and Mitochondria Paolo Pesaresi, Simona Masiero, Holger Eubel, Hans-Peter Braun, Shashi Bhushan, Elzbieta Glaser, Francesco Salamini, and Dario Leister Plant Cell. 2006 April; 18(4): 970–991. doi: 10.1105/tpc.105.039073.PMCID: PMC1425842 A Soluble Carotenoid Protein Involved in Phycobilisome-Related Energy Dissipation in Cyanobacteria Adjélé Wilson, Ghada Ajlani, Jean-Marc Verbavatz, Imre Vass, Cheryl A. Kerfeld, and Diana Kirilovsky Plant Cell. 2006 April; 18(4): 992–1007. doi: 10.1105/tpc.105.040121.PMCID: PMC1425857 Cytochrome P450 CYP710A Encodes the Sterol C-22 Desaturase in Arabidopsis and Tomato Tomomi Morikawa, Masaharu Mizutani, Nozomu Aoki, Bunta Watanabe, Hirohisa Saga, Shigeki Saito, Akira Oikawa, Hideyuki Suzuki, Nozomu Sakurai, Daisuke Shibata, Akira Wadano, Kanzo Sakata, and Daisaku Ohta Plant Cell. 2006 April; 18(4): 1008–1022. doi: 10.1105/tpc.105.036012.PMCID: PMC1425849 FaQR, Required for the Biosynthesis of the Strawberry Flavor Compound 4-Hydroxy-2,5-Dimethyl-3(2H)-Furanone, Encodes an Enone Oxidoreductase Thomas Raab, Juan Antonio López-Ráez, Dorothée Klein, Jose Luis Caballero, Enriqueta Moyano, Wilfried Schwab, and Juan Muñoz-Blanco Plant Cell. 2006 April; 18(4): 1023–1037. doi: 10.1105/tpc.105.039784.PMCID: PMC1425863 Salicylic Acid–Independent ENHANCED DISEASE SUSCEPTIBILITY1 Signaling in Arabidopsis Immunity and Cell Death Is Regulated by the Monooxygenase FMO1 and the Nudix Hydrolase NUDT7 Michael Bartsch, Enrico Gobbato, Pawel Bednarek, Svenja Debey, Joachim L. Schultze, Jaqueline Bautor, and Jane E. Parker Plant Cell. 2006 April; 18(4): 1038–1051. doi: 10.1105/tpc.105.039982.PMCID: PMC1425861 Reactive Oxygen Species Play a Role in Regulating a Fungus–Perennial Ryegrass Mutualistic Interaction Aiko Tanaka, Michael J. Christensen, Daigo Takemoto, Pyoyun Park, and Barry Scott Plant Cell. 2006 April; 18(4): 1052–1066. doi: 10.1105/tpc.105.039263.PMCID: PMC1425850 The U-Box Protein CMPG1 Is Required for Efficient Activation of Defense Mechanisms Triggered by Multiple Resistance Genes in Tobacco and Tomato Rocío González-Lamothe, Dimitrios I. Tsitsigiannis, Andrea A. Ludwig, Mireia Panicot, Ken Shirasu, and Jonathan D.G. Jones Plant Cell. 2006 April; 18(4): 1067–1083. doi: 10.1105/tpc.106.040998.PMCID: PMC1425846 The E3 Ubiquitin Ligase Activity of Arabidopsis PLANT U-BOX17 and Its Functional Tobacco Homolog ACRE276 Are Required for Cell Death and Defense Cheng-Wei Yang, Rocío González-Lamothe, Richard A. Ewan, Owen Rowland, Hirofumi Yoshioka, Matt Shenton, Heng Ye, Elizabeth O'Donnell, Jonathan D.G. Jones, and Ari Sadanandom Plant Cell. 2006 April; 18(4): 1084–1098. doi: 10.1105/tpc.105.039198.PMCID: PMC1425844 |