Table Of Content

Plant Physiol. Vol. 111, 1996 Volume Contents In Vivo and in Vitro Phosphorylation of the Phosphoenolpyruvate Carboxylase from Wheat Seeds during Germination. Lidia Osuna, Maria-Cruz Gonzalez, Francisco J]. Cejudo, Jean Vidal, and Cristina Echevarria Differential Expression of Lipoxygenase Isoenzymes in Embryos of Germinating Barley. Wessel L. Holtman, Gert van Duijn, Norbert J. A. Sedee, and Anneke C. Douma Antisense RNA Inhibition of RbcS Gene Expression Reduces Rubisco Level and Photosynthesis in the C, Plant Flaveria bidentis. Robert T. Furbank, Julie A. Chitty, Susanne von Caemmerer, and Colin L. D. Jenkins Biosynthesis of Caffeine in Leaves of Coffee. Hiroshi Ashihara, Ana Maria Menteiro, Fiona M. Gillies, and Alan Crozier Cercospora beticola Toxins. X. Inhibition of Plasma Membrane H*-ATPase by Beticolin-1. Francoise Simon-Plas, Eric Gomés, Marie-Louise Milat, Alain Pug4i n, and Jean-Pierre Blein Oxidative Stress Induces Partial Degradation of the Large Subunit of Ribulose-1,5-Bisphosphate Carboxylase / Oxygenase in Isolated Chloroplasts of Barley. Marcelo Desimone, Axel Henke, and Edgar Wagner The Impact of Alteration of Polyunsaturated Fatty Acid Levels on C,-Aldehyde Formation of Arabidopsis thaliana Leaves. Hong Zhuang, Thomas R. Hamilton-Kemp, Roger A. Andersen, and David F. Hildebrand Physical Association of Starch Biosynthetic Enzymes with Starch Granules of Maize Endosperm. Granule- Associated Forms of Starch Synthase I and Starch Branching Enzyme II. Chen Mu-Forster, Rongmin Huang, Joseph R. Powers, Robert W. Harriman, Mary Knight, George W. Singletary, Peter L. Keeling, and Bruce P. Wasserman Isolation of a Microsomal Enzyme System Involved in Glucosinolate Biosynthesis from Seedlings of Tropaeolum majus L. Liangcheng Du and Barbara Ann Halkier Biochemical Characterization of the Extracellular Phosphatases Produced by Phosphorus-Deprived Chlamydomonas reinhardtii. John D. Quisel, Dennis D. Wykoff, and Arthur R. Grossman Synthesis and Turnover of Cell-Wall Polysaccharides and Starch in Photosynthetic Soybean Suspension Cultures. Vera V. Lozovaya, Olga A. Zabotina, and Jack M. Widholm Purification and Characterization of Chaperonin 60 and Heat-Shock Protein 70 from Chromoplasts of Narcissus pseudonarcissus. Involvement of Heat-Shock Protein 70 in a Soluble Protein Complex Containing Phytoene Desaturase. Michael Bonk, Monier Tadros, Joel Vandekerckhove, Salim Al-Babili, and Peter Beyer Changes in Dehydrodiferulic Acids and Peroxidase Activity against Ferulic Acid Associated with Cell Walls during Growth of Pinus pinaster Hypocotyl. Maria Sanchez, Maria Jesvis Pera, Gloria Revilla, and Ignacio Zarra Evidence That the Pathway of Dimethylsulfoniopropionate Biosynthesis Begins in the Cytosol and Ends in the Chloroplast. Claudine Trossat, Kurt D. Nolte, and Andrew D. Hanson Cloning of a cDNA Encoding Cytosolic Acetoacetyl-Coenzyme A Thiolase from Radish by Functional Expression in Saccharomyces cerevisiae. Kai-Uwe Vollack and Thomas J. Bach The Effect of Nitrogen Nutrition on the Cellular Localization of Glutamine Synthetase Isoforms in Barley Roots. Lucy J. Peat and Alyson K. Tobin Hydroxycinnamoyltransferases Involved in the Accumulation of Caffeic Acid Esters in Gametophytes and Sporophytes of Equisetum arvense. Marianne Hohlfeld, Markus Veit, and Dieter Strack Isolation and Characterization of Glutamine Synthetase from the Marine Diatom Skeletonema costatum. Deborah L. Robertson and Randall S. Alberte Specificity of Binding of B-Glucoside Activators of Ryegrass (1—3)-8-Glucan Synthase and the Synthesis of Some Potential Photoaffinity Activators. Ken Ng, Elizabeth Johnson, and Bruce A. Stone Evidence for an Elongation/Reduction/C1-Elimination Pathway in the Biosynthesis of n-Heptane in Xylem of Jeffrey Pine. Thomas J. Savage, Marta K. Hristova, and Rodney Croteau WHOLE PLANT, ENVIRONMENTAL, AND STRESS PHYSIOLOGY Little or No Repair of Cyclobutyl Pyrimidine Dimers Is Observed in the Organellar Genomes of the Young Arabidopsis Seedling. Ju-Jiun Chen, Cai-Zhong Jiang, and Anne Bagg Britt Direct Measurement of *’Fe-Labeled Fe** Influx in Roots of Pea Using a Chelator Buffer System to Control Free Fe** in Solution. Tama C. Fox, Jon E. Shaff, Michael A. Grusak, Wendell A. Norvell, Yona Chen, Rufus L. Chaney, and Leon V. Kochian Volume Contents Plant Physiol. Vol. 111, 1996 Water Deficit-Induced Changes in Concentrations in Proline and Some Other Amino Acids in the Phloem Sap of Alfalfa. Christine Girousse, René Bournoville, and Jean-Louis Bonnemain Induction of Male Sterility in Wheat by Meiotic-Stage Water Deficit Is Preceded by a Decline in Invertase Activity and Changes in Carbohydrate Metabolism in Anthers. Sonia Dorion, Sylvie Lalonde, and Hargurdeep S. Saini Demand-Driven Control of Root ATP Sulfurylase Activity and SO,?~ Uptake in Intact Canola. The Role of Phloem-Translocated Glutathione. Anne G. Lappartient and Bruno Touraine The Effect of Leaf Temperatures and Photorespiratory Conditions on Export of Sugars during Steady-State Photosynthesis in Salvia splendens. Jirong Jiao and Bernard Grodzinski Dynamics of Changing Intercellular CO, Concentration (c,) during Drought and Determination of Minimum Functional c;. Tim Brodribb Glycolytic Flux and Hexokinase Activities in Anoxic Maize Root Tips Acclimated by Hypoxic Pretreatment. Jean M. Bouny and Pierre H. Saglio Purification and Characterization of a Cryoprotective Protein (Cryoprotectin) from the Leaves of Cold- Acclimated Cabbage. Frank Sieg, Werner Schroder, Jiirgen M. Schmitt, and Dirk K. Hincha Regulation of H* Extrusion and Cytoplasmic pH in Maize Root Tips Acclimated to a Low-Oxygen Environment. Jian-Hua Xia and Justin K. M. Roberts Calorimetric Properties of Dehydrating Pollen. Analysis of a Desiccation-Tolerant and an Intolerant Species. Julia Buitink, Christina Walters-Vertucci, Folkert A. Hoekstra, and Olivier Leprince Transgenic AEQUORIN Reveals Organ-Specific Cytosolic Ca?* Responses to Anoxia in Arabidopsis thaliana Seedlings. John C. Sedbrook, Paul J. Kronebusch, Gary G. Borisy, Anthony J. Trewavas, and Patrick H. Masson Purification and Properties of Arabidopsis thaliana COR (Cold-Regulated) Gene Polypeptides COR15am and COR6.6 Expressed in Escherichia coli. Sarah J. Gilmour, Chentao Lin, and Michael F. Thomashow Effects of COR6.6 and COR15am Polypeptides Encoded by COR (Cold-Regulated) Genes of Arabidopsis thaliana on Dehydration-Induced Phase Transitions of Phospholipid Membranes. Murray S. Webb, Sarah J. Gilmour, Michael F. Thomashow, and Peter L. Steponkus Effects of COR6.6 and COR15am Polypeptides Encoded by COR (Cold-Regulated) Genes of Arabidopsis thaliana on the Freeze-Induced Fusion and Leakage of Liposomes. Matsuo Uemura, Sarah J. Gilmour, Michael F. Thomashow, and Peter L. Steponkus Abscisic Acid Induces the Alcohol Dehydrogenase Gene in Arabidopsis. Guy L. de Bruxelles, W. James Peacock, Elizabeth S. Dennis, and Rudy Dolferus Characterization of Membrane Properties in Desiccation-Tolerant and -Intolerant Carrot Somatic Embryos. Frans A. A. Tetteroo, Annette Y. de Bruijn, Rob N. M. Henselmans, Willem F. Wolkers, Adiaan C. van Aelst, and Folkert A. Hoekstra Drought-Induced Xylem Dysfunction in Petioles, Branches, and Roots of Populus balsamifera L. and Alnus glutinosa (L.) Gaertn. Uwe Hacke and Jorg J. Sauter Inhibition of Blue Light-Dependent H* Pumping by Abscisic Acid in Vicia Guard-Cell Protoplasts. Chang-Hyo Goh, Toshinori Kinoshita, Tatsuo Oku, and Ken-ichiro Shimazaki Heat-Shock Response in Heat-Tolerant and Nontolerant Variants of Agrostis palustris Huds. Sang-Youl Park, Renuka Shivaji, jeffrey V. Krans, and Dawn S. Luthe Iron and Copper Nutrition-Dependent Changes in Protein Expression in a Tomato Wild Type and the Nicotianamine-Free Mutant chloronerva. Alexandra Herbik, Anatoli Giritch, Christian Horstmann, Roswitha Becker, Hans-Jorg Balzer, Helmut Baumlein, and Udo W. Stephan Freezing Characteristics of Rigid Plant Tissues. Development of Cell Tension during Extracellular Freezing. C. B. Rajashekar and Michael J. Burke Cell-Wall Changes and Cell Tension in Response to Cold Acclimation and Exogenous Abscisic Acid in Leaves and Cell Cultures. C. B. Rajashekar and Abbas Lafta The Loss of Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase Caused by 24-Hour Rain Treatment Fully Explains the Decrease in the Photosynthetic Rate in Bean Leaves. Momoe Ishibashi, Hideaki Usuda, and Ichiro Terashima Plant Physiol. Vol. 111, 1996 Volume Contents NaCl-Induced Alterations in Both Cell Structure and Tissue-Specific Plasma Membrane H*-ATPase Gene Expression. Xiaomu Niu, Barbara Damsz, Andrzej K. Kononowicz, Ray A. Bressan, and Paul M. Hasegawa Effect of Cold Hardening on the Components of Respiratory Decarboxylation in the Light and in the Dark in Leaves of Winter Rye. Vaughan Hurry, Olav Keerberg, Tiit Parnik, Gunnar Oquist, and Per Gardestroém Growth Inhibition in Suspension-Cultured Rice Cells under Phosphate Deprivation Is Mediated through Putrescine Accumulation. Chiung-Yuen Shih and Ching Huei Kao A Metal-Accumulator Mutant of Arabidopsis thaliana. Emmanuel Delhaize Chloroplast Movement in the Shade Plant Tradescantia albiflora Helps Protect Photosystem II against Light Stress. Youn-Il Park, Wah Soon Chow, and Jan M. Anderson The Effect of Elevated [CO,] on Growth and Photosynthesis of Two Eucalyptus Species Exposed to High Temperatures and Water Deficits. John S. Roden and Marilyn C. Ball Molecular Characterization of the Rehydration Process in the Resurrection Plant Craterostigma plantagineum. Giovanni Bernacchia, Francesco Salamini, and Dorothea Bartels Roots of Iron-Efficient Maize also Absorb Phytosiderophore-Chelated Zinc. Nicolaus von Wirén, Horst Marschner, and Volker Romheld Characterization of Glutathione Uptake in Broad Bean Leaf Protoplasts. Aziz Jamai, Roberto Tommasini, Enrico Martinoia, and Serge Delrot Water-Deficit Tolerance and Field Performance of Transgenic Alfalfa Overexpressing Superoxide Dismutase. Bryan D. McKersie, Stephen R. Bowley, Erni Harjanto, and Olivier Leprince Degradation Pattern of Photosystem II Reaction Center Protein D1 in Intact Leaves. The Major Photoinhibition- Induced Cleavage Site in D1 Polypeptide Is Located Amino Terminally of the DE Loop. Reetta Kettunen, Esa Tyystjarvi, and Eva-Mari Aro Plasma Membrane Na* Transport in a Salt-Tolerant Charophyte. Isotopic Fluxes, Electrophysiology, and Thermodynamics in Plants Adapted to Saltwater and Freshwater. Edward A. Kiegle and Mary A. Bisson Novel Osmotically Induced Antifungal Chitinases and Bacterial Expression of an Active Recombinant Isoform. Dae-Jin Yun, Matilde Paino D’Urzo, Laura Abad, Satomi Takeda, Ron Salzman, Zutang Chen, Hyeseung Lee, Paul M. Hasegawa, and Ray A. Bressan Moiecular and Structural Changes in Chlamydomonas under Limiting CO,. A Possible Mitochondrial Role in Adaptation. Anne M. Geraghty and Martin H. Spalding DEVELOPMENT AND GROWTH REGULATION Highly Branched Phenotype of the Petunia dad1-1 Mutant Is Reversed by Grafting. Carolyn Napoli A Thiol Protease and an Anionic Peroxidase Are Induced by Lowering Cytokinins during Callus Growth in Petunia. Colette Tournaire, Serguei Kushnir, Guy Bauw, Dirk Inzé, Bernard Teyssendier de la Serve, and Jean-Pierre Renaudin The N-1-Naphthylphthalamic Acid-Binding Protein Is an Integral Membrane Protein. Paul Bernasconi, Bhavesh C. Patel, Jeff D. Reagan, and Mani V. Subramanian Association of Plant p40 Protein with Ribosomes Is Enhanced When Polyribosomes Form during Periods of Active Tissue Growth. Margarita Garcia-Herndndez, Eric Davies, Tobias I. Baskin, and Paul E. Staswick Development and Light-Regulated Expression of Individual Members of the Light-Harvesting Complex b Gene Family in Pinus palustris. Wendy Peer, Jane Silverthorne, and Janny L. Peters A Brassinosteroid-Insensitive Mutant in Arabidopsis thaliana Exhibits Multiple Defects in Growth and Development. Steven D. Clouse, Mark Langford, and Trevor C. McMorris Identification of Antheridiogens in Lygodium circinnatum and Lygodium flexuosum. Tadayuki Yamauchi, Naomi Oyama, Hisakazu Yamane, Noboru Murofushi, Helmut Schraudolf, Milan Pour, Mark Furber, and Lewis N. Mander Growth Maintenance of the Maize Primary Root at Low Water Potentials Involves Increases in Cell-Wall Extension Properties, Expansin Activity, and Wall Susceptibility to Expansins. Yajun Wu, Robert E. Sharp, Daniel M. Durachko, and Daniel J. Cosgrove Volume Contents Plant Physiol. Vol. 111, 1996 Quantification of Free Plus Conjugated Indoleacetic Acid in Arabidopsis Requires Correction for the Nonenzymatic Conversion of Indolic Nitriles. Nebojsa Ili¢, Jennifer Normanly, and Jerry D. Cohen Potamogeton pectinatus Is Constitutively Incapable of Synthesizing Ethylene and Lacks 1-Aminocyclopropane-1- Carboxylic Acid Oxidase. Jacky E. Summers, Laurentius A. C. ]. Voesenek, Cornelius W. P. M. Blom, Mervyn J. Lewis, and Michael B. Jackson Arabidopsis thaliana sku Mutant Seedlings Show Exaggerated Surface-Dependent Alteration in Root Growth Vector. Robert Rutherford and Patrick H. Masson Isolation of Mutations Affecting the Development of Freezing Tolerance in Arabidopsis thaliana (L.) Heynh. Gareth Warren, Robert McKown, AnaLuisa Marin, and Rita Teutonico Complexity and Genetic Variability of Heat-Shock Protein Expression in Isolated Maize Microspores. Jean-Louis Magnard, Philippe Vergne, and Christian Dumas Rapid Germination of a Barley Mutant Is Correlated with a Rapid Turnover of Abscisic Acid Outside the Embryo. Karin Visser, Adriénne P. A. Vissers, M. Ilhan Cagirgan, Jan W. Kijne, and Mei Wang Competence for Regeneration during Tobacco Internodal Development. Involvement of Plant Age, Cell Elongation Stage, and Degree of Polysomaty. Luud J. W. Gilissen, Marjo J. van Staveren, Johanna C. Hakkert, and Marinus J. M. Smulders Differential Regulation of Trichome Formation on the Adaxial and Abaxial Leaf Surfaces by Gibberellins and Photoperiod in Arabidopsis thaliana (L.) Heynh. Joy C. Chien and Ian M. Sussex GENE REGULATION AND MOLECULAR GENETICS Developmentai Stage-Specific and Nitrate-Independent Regulation of Nitrate Reductase Gene Expression in Rapeseed. Hiroyuki Fukuoka, Tatichi Ogawa, Harufumi Minami, Hiroshi Yano, and Yasunobu Ohkawa A Putative Mg Chelatase Subunit from Arabidopsis thaliana cv C24. Sequence and Transcript Analysis of the Gene, Import of the Protein into Chloroplasts, and in Situ Localization of the Transcript and Protein. Lucien C. D. Gibson, Joanne L. Marrison, Rachel M. Leech, Poul E. Jensen, Diane C. Bassham, Marie Gibson, and C. Neil Hunter The Arabidopsis Profilin Gene Family. Evidence for an Ancient Split between Constitutive and Pollen-Specific Profilin Genes. Shurong Huang, John M. McDowell, Michael J. Weise, and Richard B. Meagher Attenuation of the Phenotype Caused by the Root-Inducing, Left-Hand, Transferred DNA and Its rolA Gene. Correlations with Changes in Polyamine Metabolism and DNA Methylation. Josette Martin-Tanguy, Li-Yan Sun, Daniel Burtin, Roland Vernoy, Nadia Rossin, and David Tepfer A Cherry Protein and Its Gene, Abundantly Expressed in Ripening Fruit, Have Been Identified as Thaumatin- Like. Bernard R. Fils-Lycaon, Paul A. Wiersma, Kenneth C. Eastwell, and Pierre Sautiere Sugar Accumulation in Grape Berries. Cloning of Two Putative Vacuolar Invertase cDNAs and Their Expression in Grapevine Tissues. Christopher Davies and Simon P. Robinson Analysis of Flavanone 3-Hydroxylase in Arabidopsis Seedlings. Coordinate Regulation with Chalcone Synthase and Chalcone Isomerase. Matthew K. Pelletier and Brenda W. Shirley The Interaction of Light and Abscisic Acid in the Regulation of Plant Gene Expression. Sharlene C. Weatherwax, May S. Ong, Jorg Degenhardt, Elizabeth A. Bray, and Elaine M. Tobin Two Methyl Jasmonate-Insensitive Mutants Show Altered Expression of AtVsp in Response to Methyl Jasmonate and Wounding. Susanne Berger, Erin Bell, and John E. Mullet Expressed Sequence Tags of Chinese Cabbage Flower Bud cDNA. Chae Oh Lim, Ho Yeon Kim, Min Gab Kim, Soo In Lee, Woo Sik Chung, Sung Han Park, Inhwan Hwang, and Moo Je Cho Signals Regulating the Expression of the Nuclear Gene Encoding Alternative Oxidase of Plant Mitochondria. Greg C. Vanlerberghe and Lee McIntosh Developmental and Stress Regulation of Gene Expression for Plastid and Cytosolic Isoprenoid Pathways in Pepper Fruits. Philippe Hugueney, Florence Bouvier, Alfredo Badillo, Joélle Quennemet, Alain d’Harlingue, and Bilal Camara Uncoupled Defense Gene Expression and Antimicrobial Alkaloid Accumulation in Elicited Opium Poppy Cell Cultures. Peter J. Facchini, Alison G. Johnson, Julie Poupart, and Vincenzo De Luca Plant Physiol. Vol. 111, 1996 Volume Contents The Arabidopsis ACT7 Actin Gene Is Expressed in Rapidly Developing Tissues and Responds to Several External Stimuli. John M. McDowell, Yong-giang An, Shurong Huang, Elizabeth C. McKinney, and Richard B. Meagher Pedicel Breakstrength and Cellulase Gene Expression during Tomato Flower Abscission. Elena del Campillo and Alan B. Bennett Sugar Regulation of Harvest-Related Genes in Asparagus. Kevin M. Davies, John F. Seelye, Donald E. Irving, Wilhelmina M. Borst, Paul L. Hurst, and Graeme A. King Photosynthetic Gene Expression in Meristems and during Initial Leaf Development in a C, Dicotyledonous Plant. Vincent C. Ramsperger, Robert G. Summers, and James O. Berry Sucrose Phosphate Synthase Expression at the Cell and Tissue Level Is Coordinated with Sucrose Sink-to-Source Transitions in Maize Leaf. Wan-Hsing Cheng, Kyung H. Im, and Prem S. Chourey Analysis of the Expression of Anthocyanin Pathway Genes in Developing Vitis vinifera L. cv Shiraz Grape Berries and the Implications for Pathway Regulation. Paul K. Boss, Christopher Davies, and Simon P. Robinson The Cyanobacterial Thioredoxin Gene Is Required for Both Photoautotrophic and Heterotrophic Growth. Francisco Navarro and Francisco J. Florencio Regulation of Arabidopsis thaliana (L.) Heynh Arginine Decarboxylase by Potassium Deficiency Stress. Mark B. Watson and Russell L. Malmberg A Multiple-Stimuli-Responsive as-1-Related Element of parA Gene Confers Responsiveness to Cadmium but Not to Copper. Makoto Kusaba, Yohsuke Takahashi, and Toshiyuki Nagata Two Genes Encode Highly Similar Chloroplastic NADP-Malic Enzymes in Flaveria. Implications for the Evolution of C, Photosynthesis. Jerry S. Marshall, John D. Stubbs, and William C. Taylor Cold-Shock Regulation of the Arabidopsis TCH Genes and the Effects of Modulating Intracellular Calcium Levels. Diana H. Polisensky and Janet Braam Differential Expression of Two Endo-1,4-8-Glucanase Genes in Pericarp and Locules of Wild-Type and Mutant Tomato Fruit. Carmen Gonzalez-Bosch, David A. Brummell, and Alan B. Bennett CELL BIOLOGY AND SIGNAL TRANSDUCTION Photosystem II Excitation Pressure and Photosynthetic Carbon Metabolism in Chlorella vulgaris. Leonid V. Savitch, Denis P. Maxwell, and Norman P. A. Huner Inhibitors of Serine /Threonine Phosphoprotein Phosphatases Alter Circadian Properties in Gonyaulax polyedra. James Comolli, Walter Taylor, Jalees Rehman, and John Woodland Hastings Modulation of Calmodulin mRNA and Protein Levels in Barley Aleurone. Robert C. Schuurink, Philip V. Chan, and Russell L. Jones Chloroplast Distribution in Arabidopsis thaliana (L.) Depends on Light Conditions during Growth. Anna Trojan and Halina Gabrys Mastoparan-Induced Intracellular CA** Fluxes May Regulate Cell-to-Cell Communication in Plants. Edward B. Tucker and Wendy Farmer Boss Interaction of a Potential Vacuolar Targeting Receptor with Amino- and Carboxyl-Terminal Targeting Determinants. Thomas Kirsch, Gerhard Saalbach, Natasha V. Raikhel, and Leonard Beevers Tissue-Specific Expression of the Tobacco Mosaic Virus Movement Protein in Transgenic Potato Plants Alters Plasmodesmal Function and Carbohydrate Partitioning. Amnon A. Olesinski, Einat Almon, Nir Navot, Avihai Perl, Esra Galun, William J. Lucas, and Shmuel Wolf A Calcium and Free Fatty Acid-Modulated Protein Kinase as Putative Effector of the Fusicoccin 14-3-3 Receptor. Paul C.J. Van der Hoeven, Marco Siderius, Henrie A. A. J. Korthout, Artem V. Drabkin, and Albertus H. De Boer Changes in Stomatal Behavior and Guard Cell Cytosolic Free Calcium in Response to Oxidative Stress. Martin R. McAinsh, Helen Clayton, Terry A. Mansfield, and Alistair M. Hetherington Central Roles for Potassium and Sucrose in Guard-Cell Osmoregulation. Lawrence D. Talbott and Eduardo Zeiger Volume Contents Plant Physiol. Vol. 111, 1996 Autophagy in Tobacco Suspension-Cultured Cells in Response to Sucrose Starvation. Yuji Moriyasu and Yoshinori Ohsumi Membrane-Delimited Phosphorylation Enables the Activation of the Outward-Rectifying K Channels in Motor Cell Protoplasts of Samanea saman. Nava Moran Analysis of the Import of Carboxyl-Terminal Truncations of the 23-Kilodalton Subunit of the Oxygen-Evolving Complex Suggests That Its Structure [s an Important Determinant for Thylakoid Transport. Robin A. Roffey and Steven M. Theg BIOENERGETICS Specificity of the Organic Acid Activation of Alternative Oxidase in Plant Mitochondria. A. Harvey Millar, Marcel H. N. Hoefnagel, David A. Day, and Joseph T. Wiskich Role of the Plasma Membrane H*-ATPase in K* Transport. Donald P. Briskin and Margaret C. Gawienowski Predicting Light Acclimation in Cyanobacteria from Nonphotochemical Quenching of Photosystem II Fluorescence, Which Reflects State Transitions in These Organisms. Douglas Campbell and Gunnar Oquist Organization of Photosystem I Polypeptides Examined by Chemical Cross-Linking. Trent S. Armbrust, Parag R. Chitnis, and James A. Guikema PLANT-MICROBE AND PLANT-INSECT INTERACTIONS Identification of a New Pea Gene, PsNiecl1, Encoding a Lectin-like Glycoprotein Isolated from the Symbiosomes of Root Nodules. Igor V. Kardailsky, D. Janine Sherrier, and Nicholas J. Brewin The Refined Three-Dimensional Structure of Pectate Lyase E from Erwinia chrysanthemi at 2.2 A Resolution. Susan E. Lietzke, Robert D. Scavetta, Marilyn D. Yoder, and Frances Jurnak Differential Localization of Carbohydrate Epitopes in Plant Cell Walls in the Presence and Absence of Arbuscular Mycorrhizal Fungi. Raffaella Balestrini, Michael G. Hahn, Antonella Faccio, Kurt Mendgen, and Paola Bonfante Protective Mechanism of the Mexican Bean Weevil against High Levels of a-Amylase Inhibitor in the Common Bean. Masao Ishimoto and Maarten J. Chrispeels Volatile Semiochemicals Released from Undamaged Cotton Leaves. Ursula S. R. Rése, Ara Manukian, Robert R. Heath, and James H. Tumlinson Germin Gene Expression Is Induced in Wheat Leaves by Powdery Mildew Infection. William J. Hurkman and Charlene K. Tanaka Influence of Salicylic Acid on the Induction of Competence for HO, Elicitation. Comparison of Ergosterol with Other Elicitors. Heinrich Kauss and Wolfgang Jeblick Intracellular Levels of Free Linolenic and Linoleic Acids Increase in Tomato Leaves in Response to Wounding. Antonio Conconi, Martine Miquel, John A. Browse, and Clarence A. Ryan Relationship between Active Oxygen Species, Lipid Peroxidation, Necrosis, and Phytoalexin Production Induced by Elicitins in Nicotiana. Christine Rustérucci, Veerle Stallaert, Marie-Louise Milat, Alain Pugin, Pierre Ricci, and Jean-Pierre Blein Iron Uptake by Symbiosomes from Soybean Root Nodules. Kristin LeVier, David A. Day, and Mary Lou Guerinot A Spatial Analysis of Physiological Changes Associated with Infection of Cotyledons of Marrow Plants with Cucumber Mosaic Virus. Laszlo I. Técsi, Alison M. Smith, Andrew J. Maule, and Richard C. Leegood Proteolytic Processing of Class IV Chitinase in the Compatible Interaction of Bean Roots with Fusarium solani. Jiirg Lange, Uwe Mohr, Andres Wiemken, Thomas Boller, and Regina Végeli-Lange Mutualistic Fungal Endophytes Express a Proteinase that Is Homologous to Proteases Suspected to Be Important in Fungal Pathogenicity. Ponaka V. Reddy, Cuong K. Lam, and Faith C. Belanger Two Wound-Inducible Soybean Cysteine Proteinase Inhibitors Have Greater Insect Digestive Proteinase Inhibitory Activities than a Constitutive Homolog. Yuan Zhao, Miguel A. Botella, Lalitha Subramanian, Xiaomu Niu, S. Suzanne Nielsen, Ray A. Bressan, and Paul M. Hasegawa 1299 THE ELECTRONIC PLANT GENE REGISTER 347, 651, 947, 1353