| | This journal provides immediate access to some articles. Updates In Defense against Pathogens. Both Plant Sentinels and Foot Soldiers Need to Know the Enemy P. Veronese, M. T. Ruiz, M. A. Coca, A. Hernandez-Lopez, H. Lee, J. I. Ibeas, B. Damsz, J. M. Pardo, P. M. Hasegawa, R. A. Bressan, and M. L. Narasimhan Plant Physiol. 2003 April; 131(4): 1580–1590. PMCID: PMC1540302 Elucidation of the Indirect Pathway of Abscisic Acid Biosynthesis by Mutants, Genes, and Enzymes S. H. Schwartz, X. Qin, and J. A. Zeevaart Plant Physiol. 2003 April; 131(4): 1591–1601. PMCID: PMC1540303 On the Inside Plant Physiol. 2003 April; 131(4): 1576–1577. PMCID: PMC1540300 Editorial Transport Phloem: Low Profile, High Impact A. J.E. van Bel Plant Physiol. 2003 April; 131(4): 1509–1510. PMCID: PMC1540299 The Hot and the Classic Plant Physiol. 2003 April; 131(4): 1578–1579. PMCID: PMC1540301 Research Articles Biochemical Processes and Macromolecular Structures Phloem Metabolism and Function Have to Cope with Low Internal Oxygen Joost T. van Dongen, Ulrich Schurr, Michelle Pfister, and Peter Geigenberger Plant Physiol. 2003 April; 131(4): 1529–1543. doi: 10.1104/pp.102.017202.PMCID: PMC166912 Cloning, Expression, and Characterization of Sorbitol Transporters from Developing Sour Cherry Fruit and Leaf Sink Tissues Zhifang Gao, Laurence Maurousset, Remi Lemoine, Sang-Dong Yoo, Steven van Nocker, and Wayne Loescher Plant Physiol. 2003 April; 131(4): 1566–1575. doi: 10.1104/pp.102.016725.PMCID: PMC166915 Distribution of Fucose-Containing Xyloglucans in Cell Walls of the mur1 Mutant of Arabidopsis Glenn Freshour, Christopher P. Bonin, Wolf-Dieter Reiter, Peter Albersheim, Alan G. Darvill, and Michael G. Hahn Plant Physiol. 2003 April; 131(4): 1602–1612. doi: 10.1104/pp.102.016444.PMCID: PMC166916 New Insight into Phaeodactylum tricornutum Fatty Acid Metabolism. Cloning and Functional Characterization of Plastidial and Microsomal Δ12-Fatty Acid Desaturases Frédéric Domergue, Patricia Spiekermann, Jens Lerchl, Christoph Beckmann, Oliver Kilian, Peter G. Kroth, Wilhem Boland, Ulrich Zähringer, and Ernst Heinz Plant Physiol. 2003 April; 131(4): 1648–1660. doi: 10.1104/pp.102.018317.PMCID: PMC166921 Natural Abundance Carbon Isotope Composition of Isoprene Reflects Incomplete Coupling between Isoprene Synthesis and Photosynthetic Carbon Flow Hagit P. Affek and Dan Yakir Plant Physiol. 2003 April; 131(4): 1727–1736. doi: 10.1104/pp.102.012294.PMCID: PMC166928 Reduction of Cholesterol and Glycoalkaloid Levels in Transgenic Potato Plants by Overexpression of a Type 1 Sterol Methyltransferase cDNA Lisa Arnqvist, Paresh C. Dutta, Lisbeth Jonsson, and Folke Sitbon Plant Physiol. 2003 April; 131(4): 1792–1799. doi: 10.1104/pp.102.018788.PMCID: PMC166935 Insertional Inactivation of the Methionine S-Methyltransferase Gene Eliminates the S-Methylmethionine Cycle and Increases the Methylation Ratio Michael G. Kocsis, Philippe Ranocha, Douglas A. Gage, Eric S. Simon, David Rhodes, Gregory J. Peel, Stefan Mellema, Kazuki Saito, Motoko Awazuhara, Changjiang Li, Robert B. Meeley, Mitchell C. Tarczynski, Conrad Wagner, and Andrew D. Hanson Plant Physiol. 2003 April; 131(4): 1808–1815. doi: 10.1104/pp.102.018846.PMCID: PMC166937 The Gluconeogenic Enzyme Phosphoenolpyruvate Carboxykinase in Arabidopsis Is Essential for Seedling Establishment Elizabeth L. Rylott, Alison D. Gilday, and Ian A. Graham Plant Physiol. 2003 April; 131(4): 1834–1842. doi: 10.1104/pp.102.019174.PMCID: PMC166940 Functional Analysis of Cystathionine γ-Synthase in Genetically Engineered Potato Plants Oliver Kreft, Rainer Hoefgen, and Holger Hesse Plant Physiol. 2003 April; 131(4): 1843–1854. doi: 10.1104/pp.102.015933.PMCID: PMC166941 Volatile Ester Formation in Roses. Identification of an Acetyl-Coenzyme A. Geraniol/Citronellol Acetyltransferase in Developing Rose Petals Moshe Shalit, Inna Guterman, Hanne Volpin, Einat Bar, Tal Tamari, Naama Menda, Zach Adam, Dani Zamir, Alexander Vainstein, David Weiss, Eran Pichersky, and Efraim Lewinsohn Plant Physiol. 2003 April; 131(4): 1868–1876. doi: 10.1104/pp.102.018572.PMCID: PMC166943 Cell Biology and Signal Transduction A Reevaluation of the Role of the Heterotrimeric G Protein in Coupling Light Responses in Arabidopsis Alan M. Jones, Joseph R. Ecker, and Jin-Gui Chen Plant Physiol. 2003 April; 131(4): 1623–1627. doi: 10.1104/pp.102.017624.PMCID: PMC166918 Cellulose Synthesis Is Coupled to Cell Cycle Progression at G1 in the Dinoflagellate Crypthecodinium cohnii Alvin C.M. Kwok and Joseph T.Y. Wong Plant Physiol. 2003 April; 131(4): 1681–1691. doi: 10.1104/pp.102.018945.PMCID: PMC166924 Ethylene Regulates Monomeric GTP-Binding Protein Gene Expression and Activity in Arabidopsis Igor E. Moshkov, Luis A.J. Mur, Galina V. Novikova, Aileen R. Smith, and Michael A. Hall Plant Physiol. 2003 April; 131(4): 1705–1717. doi: 10.1104/pp.014035.PMCID: PMC166926 Ethylene Rapidly Up-Regulates the Activities of Both Monomeric GTP-Binding Proteins and Protein Kinase(s) in Epicotyls of Pea Igor E. Moshkov, Galina V. Novikova, Luis A.J. Mur, Aileen R. Smith, and Michael A. Hall Plant Physiol. 2003 April; 131(4): 1718–1726. doi: 10.1104/pp.102.015057.PMCID: PMC166927 Identification, Expression, and Import of Components 17 and 23 of the Inner Mitochondrial Membrane Translocase from Arabidopsis Monika W. Murcha, Ryan Lister, Angela Y. Y. Ho, and James Whelan Plant Physiol. 2003 April; 131(4): 1737–1747. doi: 10.1104/pp.102.016808.PMCID: PMC166929 N-Acylethanolamine Signaling in Tobacco Is Mediated by a Membrane-Associated, High-Affinity Binding Protein Swati Tripathy, Kathryn Kleppinger-Sparace, Richard A. Dixon, and Kent D. Chapman Plant Physiol. 2003 April; 131(4): 1781–1791. doi: 10.1104/pp.102.014936.PMCID: PMC166934 Development and Hormone Action Suppression of a Vegetative MADS Box Gene of Potato Activates Axillary Meristem Development Faye M. Rosin, Jennifer K. Hart, Harry Van Onckelen, and David J. Hannapel Plant Physiol. 2003 April; 131(4): 1613–1622. doi: 10.1104/pp.102.012500.PMCID: PMC166917 Disruption of Apyrases Inhibits Pollen Germination in Arabidopsis Iris Steinebrunner, Jian Wu, Yu Sun, Ashley Corbett, and Stanley J. Roux Plant Physiol. 2003 April; 131(4): 1638–1647. doi: 10.1104/pp.102.014308.PMCID: PMC166920 Arabidopsis haiku Mutants Reveal New Controls of Seed Size by Endosperm Damien Garcia, Virginie Saingery, Pierre Chambrier, Ulrike Mayer, Gerd Jürgens, and Frédéric Berger Plant Physiol. 2003 April; 131(4): 1661–1670. doi: 10.1104/pp.102.018762.PMCID: PMC166922 Analysis of the Competence to Respond to KNOTTED1 Activity in Arabidopsis Leaves Using a Steroid Induction System Angela Hay, David Jackson, Naomi Ori, and Sarah Hake Plant Physiol. 2003 April; 131(4): 1671–1680. doi: 10.1104/pp.102.017434.PMCID: PMC166923 Cytokinin Inhibits a Subset of Diageotropica-Dependent Primary Auxin Responses in Tomato Catharina Coenen, May Christian, Hartwig Lüthen, and Terri L. Lomax Plant Physiol. 2003 April; 131(4): 1692–1704. doi: 10.1104/pp.102.016196.PMCID: PMC166925 Expression and Function of Cell Wall-Bound Cationic Peroxidase in Asparagus Somatic Embryogenesis Hiroyuki Takeda, Toshihisa Kotake, Naoki Nakagawa, Naoki Sakurai, and Donald J. Nevins Plant Physiol. 2003 April; 131(4): 1765–1774. doi: 10.1104/pp.102.014654.PMCID: PMC166932 Breakdown of Self-Incompatibility in a Natural Population of Petunia axillaris Caused by Loss of Pollen Function Tatsuya Tsukamoto, Toshio Ando, Koichi Takahashi, Takahiro Omori, Hitoshi Watanabe, Hisashi Kokubun, Eduardo Marchesi, and Teh-hui Kao Plant Physiol. 2003 April; 131(4): 1903–1912. doi: 10.1104/pp.102.018069.PMCID: PMC166946 Changes in Photoperiod or Temperature Alter the Functional Relationships between Phytochromes and Reveal Roles for phyD and phyE Karen J. Halliday and Garry C. Whitelam Plant Physiol. 2003 April; 131(4): 1913–1920. doi: 10.1104/pp.102.018135.PMCID: PMC166947 Environmental Stress and Adaptation Phloem-Localizing Sulfate Transporter, Sultr1;3, Mediates Re-Distribution of Sulfur from Source to Sink Organs in Arabidopsis Naoko Yoshimoto, Eri Inoue, Kazuki Saito, Tomoyuki Yamaya, and Hideki Takahashi Plant Physiol. 2003 April; 131(4): 1511–1517. doi: 10.1104/pp.014712.PMCID: PMC166910 Glucosylglycerol, a Compatible Solute, Sustains Cell Division under Salt Stress Ali Ferjani, Laszlo Mustardy, Ronan Sulpice, Kay Marin, Iwane Suzuki, Martin Hagemann, and Norio Murata Plant Physiol. 2003 April; 131(4): 1628–1637. doi: 10.1104/pp.102.017277.PMCID: PMC166919 Tolerance of Mannitol-Accumulating Transgenic Wheat to Water Stress and Salinity Tilahun Abebe, Arron C. Guenzi, Bjorn Martin, and John C. Cushman Plant Physiol. 2003 April; 131(4): 1748–1755. doi: 10.1104/pp.102.003616.PMCID: PMC166930 Accumulation of Ferrous Iron in Chlamydomonas reinhardtii. Influence of CO2 and Anaerobic Induction of the Reversible Hydrogenase Boris K. Semin, Lira N. Davletshina, Alla A. Novakova, Tat'yana Y. Kiseleva, Victoriya Y. Lanchinskaya, Anatolii Y. Aleksandrov, Nora Seifulina, Il'ya I. Ivanov, Michael Seibert, and Andrei B. Rubin Plant Physiol. 2003 April; 131(4): 1756–1764. doi: 10.1104/pp.102.018200.PMCID: PMC166931 Freezing Sensitivity in the sfr4 Mutant of Arabidopsis Is Due to Low Sugar Content and Is Manifested by Loss of Osmotic Responsiveness Matsuo Uemura, Gareth Warren, and Peter L. Steponkus Plant Physiol. 2003 April; 131(4): 1800–1807. doi: 10.1104/pp.102.013227.PMCID: PMC166936 Drought-Induced Changes in the Redox State of α-Tocopherol, Ascorbate, and the Diterpene Carnosic Acid in Chloroplasts of Labiatae Species Differing in Carnosic Acid Contents Sergi Munné-Bosch and Leonor Alegre Plant Physiol. 2003 April; 131(4): 1816–1825. doi: 10.1104/pp.102.019265.PMCID: PMC166938 Genetics, Genomics, and Molecular Evolution The Evolution of CONSTANS-Like Gene Families in Barley, Rice, and Arabidopsis Simon Griffiths, Roy P. Dunford, George Coupland, and David A. Laurie Plant Physiol. 2003 April; 131(4): 1855–1867. doi: 10.1104/pp.102.016188.PMCID: PMC166942 Plants Interacting with Other Organisms Molecular Interactions between the Specialist Herbivore Manduca sexta (Lepidoptera, Sphingidae) and Its Natural Host Nicotiana attenuata: V. Microarray Analysis and Further Characterization of Large-Scale Changes in Herbivore-Induced mRNAs Dequan Hui, Javeed Iqbal, Katja Lehmann, Klaus Gase, Hans Peter Saluz, and Ian T. Baldwin Plant Physiol. 2003 April; 131(4): 1877–1893. doi: 10.1104/pp.102.018176.PMCID: PMC166944 Molecular Interactions between the Specialist Herbivore Manduca sexta (Lepidoptera, Sphingidae) and Its Natural Host Nicotiana attenuata. VI. Microarray Analysis Reveals That Most Herbivore-Specific Transcriptional Changes Are Mediated by Fatty Acid-Amino Acid Conjugates Rayko Halitschke, Klaus Gase, Dequan Hui, Dominik D. Schmidt, and Ian T. Baldwin Plant Physiol. 2003 April; 131(4): 1894–1902. doi: 10.1104/pp.102.018184.PMCID: PMC166945 Whole Plant and Ecophysiology Symplastic Continuity between Companion Cells and the Translocation Stream: Long-Distance Transport Is Controlled by Retention and Retrieval Mechanisms in the Phloem Brian G. Ayre, Felix Keller, and Robert Turgeon Plant Physiol. 2003 April; 131(4): 1518–1528. doi: 10.1104/pp.012054.PMCID: PMC166911 Water Relations Link Carbon and Oxygen Isotope Discrimination to Phloem Sap Sugar Concentration in Eucalyptus globulus Lucas A. Cernusak, David J. Arthur, John S. Pate, and Graham D. Farquhar Plant Physiol. 2003 April; 131(4): 1544–1554. doi: 10.1104/pp.102.016303.PMCID: PMC166913 Structural and Functional Vein Maturation in Developing Tobacco Leaves in Relation to AtSUC2 Promoter Activity Kathryn M. Wright, Alison G. Roberts, Helle J. Martens, Norbert Sauer, and Karl J. Oparka Plant Physiol. 2003 April; 131(4): 1555–1565. doi: 10.1104/pp.102.016022.PMCID: PMC166914 Vulnerability of Xylem Vessels to Cavitation in Sugar Maple. Scaling from Individual Vessels to Whole Branches Peter J. Melcher, Maciej A. Zwieniecki, and N. Michele Holbrook Plant Physiol. 2003 April; 131(4): 1775–1780. doi: 10.1104/pp.102.012856.PMCID: PMC166933 Seasonal and Perennial Changes in the Distribution of Water in the Sapwood of Conifers in a Sub-Frigid Zone Yasuhiro Utsumi, Yuzou Sano, Ryo Funada, Jun Ohtani, and Seizo Fujikawa Plant Physiol. 2003 April; 131(4): 1826–1833. doi: 10.1104/pp.102.014795.PMCID: PMC166939 Correction Corrections for vol. 131, p. 568 Plant Physiol. 2003 April; 131(4): 1921–1922. PMCID: PMC1540304 Corrects: Long-Xi Yu, et al. Comparative Transcriptional Profiling of Placenta and Endosperm in Developing Maize Kernels in Response to Water Deficit. Plant Physiol. 2003 February; 131(2): 568–582. |