Skip to main content

Main menu

  • Home
  • Content
    • Current Issue
    • Archive
    • Preview Papers
  • Info for
    • Instructions for Authors
    • Submit a Manuscript
    • Advertisers
    • Librarians
    • Subscribers
  • About
    • Editorial Board and Staff
    • About the Journal
    • Terms & Privacy
  • More
    • Alerts
    • Contact Us
  • Other Publications
    • Plant Physiology
    • The Plant Cell
    • Plant Direct
    • The Arabidopsis Book
    • Teaching Tools in Plant Biology
    • ASPB
    • Plantae

User menu

  • My alerts
  • Log in

Search

  • Advanced search
Plant Cell
  • Other Publications
    • Plant Physiology
    • The Plant Cell
    • Plant Direct
    • The Arabidopsis Book
    • Teaching Tools in Plant Biology
    • ASPB
    • Plantae
  • My alerts
  • Log in
Plant Cell

Advanced Search

  • Home
  • Content
    • Current Issue
    • Archive
    • Preview Papers
  • Info for
    • Instructions for Authors
    • Submit a Manuscript
    • Advertisers
    • Librarians
    • Subscribers
  • About
    • Editorial Board and Staff
    • About the Journal
    • Terms & Privacy
  • More
    • Alerts
    • Contact Us
  • Follow PlantCell on Twitter
  • Visit PlantCell on Facebook
  • Visit Plantae

Table of Contents

The Plant Cell Online: 20 (7)
Jul 2008

EDITORIAL

  • You have accessRestricted Access
    Refining Our Standards
    Cathie Martin
    Plant Cell Jul 2008, 20 (7) 1727; DOI: https://doi.org/10.1105/tpc.108.200780

IN THIS ISSUE

  • You have accessRestricted Access
    Effector Trafficking: RXLR-dEER as Extra Gear for Delivery into Plant Cells
    Francine Govers, Klaas Bouwmeester
    Plant Cell Jul 2008, 20 (7) 1728-1730; DOI: https://doi.org/10.1105/tpc.108.062075

IN BRIEF

  • You have accessRestricted Access
    Effector XopD Suppresses Tissue Degeneration in Xanthomonas-Infected Tomato Leaves
    Jennifer Mach
    Plant Cell Jul 2008, 20 (7) 1731; DOI: https://doi.org/10.1105/tpc.108.200710
  • You have accessRestricted Access
    They All Scream for ICE1/SCRM2: Core Regulatory Units in Stomatal Development
    Nancy R. Hofmann
    Plant Cell Jul 2008, 20 (7) 1732; DOI: https://doi.org/10.1105/tpc.108.200711
  • You have accessRestricted Access
    Auxin Regulation of Late Stamen Development
    Nancy A. Eckardt
    Plant Cell Jul 2008, 20 (7) 1733; DOI: https://doi.org/10.1105/tpc.108.200712

LETTERS TO THE EDITOR

  • You have accessRestricted Access
    Towards a Systematic Validation of References in Real-Time RT-PCR
    Laurent Gutierrez, Mélanie Mauriat, Jérôme Pelloux, Catherine Bellini, Olivier Van Wuytswinkel
    Plant Cell Jul 2008, 20 (7) 1734-1735; DOI: https://doi.org/10.1105/tpc.108.059774
  • You have accessRestricted Access
    Eleven Golden Rules of Quantitative RT-PCR
    Michael K. Udvardi, Tomasz Czechowski, Wolf-Rüdiger Scheible
    Plant Cell Jul 2008, 20 (7) 1736-1737; DOI: https://doi.org/10.1105/tpc.108.061143

REVIEW ARTICLES

  • You have accessRestricted Access
    The Evolving Complexity of the Auxin Pathway
    Steffen Lau, Gerd Jürgens, Ive De Smet
    Plant Cell Jul 2008, 20 (7) 1738-1746; DOI: https://doi.org/10.1105/tpc.108.060418

RESEARCH ARTICLES

  • You have accessRestricted Access
    Calmodulin7 Plays an Important Role as Transcriptional Regulator in Arabidopsis Seedling Development
    Ritu Kushwaha, Aparna Singh, Sudip Chattopadhyay
    Plant Cell Jul 2008, 20 (7) 1747-1759; DOI: https://doi.org/10.1105/tpc.107.057612

    Calmodulin (CaM) plays multiple regulatory roles in eukaryotes. This study examines the transcriptional regulatory role of CAM7 in early seedling development in plants and further explores the concerted function of CAM7 and HY5 in the regulation of photomorphogenic growth and light-regulated gene expression.

  • You have accessRestricted Access
    Auxin Regulates Arabidopsis Anther Dehiscence, Pollen Maturation, and Filament Elongation
    Valentina Cecchetti, Maria Maddalena Altamura, Giuseppina Falasca, Paolo Costantino, Maura Cardarelli
    Plant Cell Jul 2008, 20 (7) 1760-1774; DOI: https://doi.org/10.1105/tpc.107.057570

    This work shows that auxin regulates late development processes in stamens, coordinating anther dehiscence and pollen maturation and independently triggering filament elongation. In addition, auxin, which is mainly synthesized in the anthers by YUC proteins before the inception of late processes, is perceived by the TIR1 AFB receptors when late processes begin.

  • Open Access
    SCREAM/ICE1 and SCREAM2 Specify Three Cell-State Transitional Steps Leading to Arabidopsis Stomatal Differentiation
    Masahiro M. Kanaoka, Lynn Jo Pillitteri, Hiroaki Fujii, Yuki Yoshida, Naomi L. Bogenschutz, Junji Takabayashi, Jian-Kang Zhu, Keiko U. Torii
    Plant Cell Jul 2008, 20 (7) 1775-1785; DOI: https://doi.org/10.1105/tpc.108.060848

    Stomata are formed through a series of events: initiation, proliferation, and terminal differentiation. This work identifies the upstream regulator of the cold-induced transcriptome as the core component of stomatal differentiation and suggests a model strikingly similar to cell-type differentiation in animals.

  • You have accessRestricted Access
    Mutations in SUPPRESSOR OF VARIEGATION1, a Factor Required for Normal Chloroplast Translation, Suppress var2-Mediated Leaf Variegation in Arabidopsis
    Fei Yu, Xiayan Liu, Muath Alsheikh, Sungsoon Park, Steve Rodermel
    Plant Cell Jul 2008, 20 (7) 1786-1804; DOI: https://doi.org/10.1105/tpc.107.054965

    The Arabidopsis var2 variegation mutant has green-and white-sectored leaves due to lack of VAR2, a chloroplast FtsH metalloprotease. Variegation can be suppressed in var2 by impaired chloroplast translation caused by lesions in SVR1 and SVR2, nuclear genes that encode a chloroplast pseudouridine synthase and the ClpR1 subunit of the chloroplast Clp protease, respectively.

  • Open Access
    The EPIP Peptide of INFLORESCENCE DEFICIENT IN ABSCISSION Is Sufficient to Induce Abscission in Arabidopsis through the Receptor-Like Kinases HAESA and HAESA-LIKE2
    Grethe-Elisabeth Stenvik, Nora M. Tandstad, Yongfeng Guo, Chun-Lin Shi, Wenche Kristiansen, Asbjørn Holmgren, Steven E. Clark, Reidunn B. Aalen, Melinka A. Butenko
    Plant Cell Jul 2008, 20 (7) 1805-1817; DOI: https://doi.org/10.1105/tpc.108.059139

    Cell separation allows plants to shed entire organs. In Arabidopsis, the IDA gene is required for abscission of floral organs (e.g., petals). A peptide present in IDA and related IDA-LIKE (IDL) proteins is sufficient for IDA function. Genetic evidence suggests that IDA and IDL proteins are ligands that act through membrane-bound receptors to control cell separation events during plant development.

  • Open Access
    Arabidopsis 10-Formyl Tetrahydrofolate Deformylases Are Essential for Photorespiration
    Eva Collakova, Aymeric Goyer, Valeria Naponelli, Inga Krassovskaya, Jesse F. Gregory III, Andrew D. Hanson, Yair Shachar-Hill
    Plant Cell Jul 2008, 20 (7) 1818-1832; DOI: https://doi.org/10.1105/tpc.108.058701

    This work demonstrates the importance of mitochondrial 10-formyl tetrahydrofolate (THF) deformylase and bifunctional 5,10-methylene THF dehydrogenase/5,10-methenyl THF cyclohydrolase in photorespiration. A model showing the involvement of these folate interconversion enzymes in photorespiration is proposed.

  • You have accessRestricted Access
    Mutation of the Plastidial α-Glucan Phosphorylase Gene in Rice Affects the Synthesis and Structure of Starch in the Endosperm
    Hikaru Satoh, Kensuke Shibahara, Takashi Tokunaga, Aiko Nishi, Mikako Tasaki, Seon-Kap Hwang, Thomas W. Okita, Nanae Kaneko, Naoko Fujita, Mayumi Yoshida, Yuko Hosaka, Aya Sato, Yoshinori Utsumi, Takashi Ohdan, Yasunori Nakamura
    Plant Cell Jul 2008, 20 (7) 1833-1849; DOI: https://doi.org/10.1105/tpc.107.054007

    This study identifies rice plants with mutations in the plastidial phosphorylase (Pho1) gene. The reduced starch content and altered amylopectin structure found in the endosperm of these mutants suggests that Pho1 is a key player in starch biosynthesis in the endosperm of rice.

  • You have accessRestricted Access
    Badh2, Encoding Betaine Aldehyde Dehydrogenase, Inhibits the Biosynthesis of 2-Acetyl-1-Pyrroline, a Major Component in Rice Fragrance
    Saihua Chen, Yi Yang, Weiwei Shi, Qing Ji, Fei He, Ziding Zhang, Zhukuan Cheng, Xiangnong Liu, Mingliang Xu
    Plant Cell Jul 2008, 20 (7) 1850-1861; DOI: https://doi.org/10.1105/tpc.108.058917

    2-acetyl-1-pyrroline (2AP) is a potent flavor component that gives fragrant rice varieties a distinctive flavor. This study shows that a functional Badh2 allele present in nonfragrant rice varieties encodes an enzyme that inhibits 2AP synthesis by exhausting its precursor, whereas null badh2 alleles, found in fragrant rice varieties, result in 2AP accumulation due to a lack of active BADH2 enzyme.

  • You have accessRestricted Access
    Sphingolipid Long-Chain Base Hydroxylation Is Important for Growth and Regulation of Sphingolipid Content and Composition in Arabidopsis
    Ming Chen, Jonathan E. Markham, Charles R. Dietrich, Jan G. Jaworski, Edgar B. Cahoon
    Plant Cell Jul 2008, 20 (7) 1862-1878; DOI: https://doi.org/10.1105/tpc.107.057851

    Sphingolipids are essential components of endomembranes and regulators of programmed cell death. This work shows that loss of the C-4 hydroxyl group of sphingolipid long-chain bases (LCBs) in Arabidopsis severely reduces plant growth and increases the content of sphingolipids, primarily with C16 fatty acids. Thus, LCB hydroxylation is important in mediating growth and sphingolipid metabolism.

  • Open Access
    Dolichol Biosynthesis and Its Effects on the Unfolded Protein Response and Abiotic Stress Resistance in Arabidopsis
    Hairong Zhang, Kiyoshi Ohyama, Julie Boudet, Zhizhong Chen, Jilai Yang, Min Zhang, Toshiya Muranaka, Christophe Maurel, Jian-Kang Zhu, Zhizhong Gong
    Plant Cell Jul 2008, 20 (7) 1879-1898; DOI: https://doi.org/10.1105/tpc.108.061150

    This work describes the isolation and biochemical characterization of the leaf wilting1 (lew1) gene that is responsible for the biosynthesis of dolichols in Arabidopsis. Genetic, molecular, and physiological analyses of the glycosylation defective lew1 mutant show that drought stress signaling converges with endoplasmic reticulum (ER) signaling to regulate ER/UPR (unfolded protein response) and osmotic stress responses.

  • You have accessRestricted Access
    Arabidopsis PUB22 and PUB23 Are Homologous U-Box E3 Ubiquitin Ligases That Play Combinatory Roles in Response to Drought Stress
    Seok Keun Cho, Moon Young Ryu, Charlotte Song, June M. Kwak, Woo Taek Kim
    Plant Cell Jul 2008, 20 (7) 1899-1914; DOI: https://doi.org/10.1105/tpc.108.060699

    Arabidopsis PUB22 and PUB23 encode U-box–containing E3 ubiquitin ligases that are coordinately induced by abiotic stress and interact with a proteasomal subunit. Loss-of-function mutants show increased tolerance to drought stress, while overexpression increases drought sensitivity. This indicates that PUB22 and PUB23 act coordinately to negatively regulate a drought stress signaling pathway.

  • Open Access
    XopD SUMO Protease Affects Host Transcription, Promotes Pathogen Growth, and Delays Symptom Development in Xanthomonas-Infected Tomato Leaves
    Jung-Gun Kim, Kyle W. Taylor, Andrew Hotson, Mark Keegan, Eric A. Schmelz, Mary Beth Mudgett
    Plant Cell Jul 2008, 20 (7) 1915-1929; DOI: https://doi.org/10.1105/tpc.108.058529

    This work shows that the XopD T3S effector promotes pathogen multiplication in a susceptible host and suppresses the development of chlorosis and necrosis in diseased tissue. Biochemical analysis reveals that XopD possesses DNA binding and transcriptional repressor activity, in addition to SUMO protease activity, indicating that all three activities are required for XopD virulence.

  • You have accessRestricted Access
    RXLR-Mediated Entry of Phytophthora sojae Effector Avr1b into Soybean Cells Does Not Require Pathogen-Encoded Machinery
    Daolong Dou, Shiv D. Kale, Xia Wang, Rays H.Y. Jiang, Nathan A. Bruce, Felipe D. Arredondo, Xuemin Zhang, Brett M. Tyler
    Plant Cell Jul 2008, 20 (7) 1930-1947; DOI: https://doi.org/10.1105/tpc.107.056093

    In this study, the authors show that N-terminal RXLR and dEER motifs, together with flanking sequences, are necessary and sufficient to translocate oomycete effector proteins into host plant cells across the plasma cell membrane. Translocation occurs with purified proteins, indicating that no other pathogen machinery is required.

  • Open Access
    The Cladosporium fulvum Virulence Protein Avr2 Inhibits Host Proteases Required for Basal Defense
    H. Peter van Esse, John W. van't Klooster, Melvin D. Bolton, Koste A. Yadeta, Peter van Baarlen, Sjef Boeren, Jacques Vervoort, Pierre J.G.M. de Wit, Bart P.H.J. Thomma
    Plant Cell Jul 2008, 20 (7) 1948-1963; DOI: https://doi.org/10.1105/tpc.108.059394

    The fungus Cladosporium fulvum secretes the effector protein Avr2 during infection of tomato. This work shows that Avr2 interacts with several extracellular Cys proteases in tomato and Arabidopsis. Avr2 expression causes enhanced susceptibility towards several pathogens in both plant species, and, with RNAi-mediated gene silencing in C. fulvum, it is shown that Avr2 is a genuine virulence factor.

  • You have accessRestricted Access
    Tomato Protein Kinase 1b Mediates Signaling of Plant Responses to Necrotrophic Fungi and Insect Herbivory
    Synan AbuQamar, Mao-Feng Chai, Hongli Luo, Fengming Song, Tesfaye Mengiste
    Plant Cell Jul 2008, 20 (7) 1964-1983; DOI: https://doi.org/10.1105/tpc.108.059477

    Tomato Protein Kinase 1b (TPK1b) regulates ethylene-mediated defense against pathogens and insect pests. TPK1b RNA interference plants show increased susceptibility to Botrytis infection and insect feeding and are impaired in ethylene responses. These impaired responses correlate with reduced expression of proteinase inhibitor II in response to Botrytis and 1-aminocyclopropane-1-carboxylic acid.

  • You have accessRestricted Access
    Induced Plant Defenses in the Natural Environment: Nicotiana attenuata WRKY3 and WRKY6 Coordinate Responses to Herbivory
    Melanie Skibbe, Nan Qu, Ivan Galis, Ian T. Baldwin
    Plant Cell Jul 2008, 20 (7) 1984-2000; DOI: https://doi.org/10.1105/tpc.108.058594

    WRKY transcription factors regulate plant responses to stress. This work describes two WRKY genes from Nicotiana attenuata that regulate jasmonate (JA) accumulation in response to wounding and herbivore-specific elicitors and JA-mediated defenses against herbivores in 3 years of fieldwork with plants silenced in WRKY expression in the plant's native habitat in the Great Basin Desert.

CORRECTIONS

  • You have accessRestricted Access
    Correction
    Plant Cell Jul 2008, 20 (7) 2001; DOI: https://doi.org/10.1105/tpc.108.200760
Back to top
PreviousNext

In this issue

The Plant Cell Online: 20 (7)
The Plant Cell
Vol. 20, Issue 7
July 2008
  • Table of Contents
  • Table of Contents (PDF)
  • About the Cover
  • Index by author
  • Advertising (PDF)
  • Front Matter (PDF)
Sign up for alerts

Jump to

  • EDITORIAL
  • IN THIS ISSUE
  • IN BRIEF
  • LETTERS TO THE EDITOR
  • REVIEW ARTICLES
  • RESEARCH ARTICLES
  • CORRECTIONS

Our Content

  • Home
  • Current Issue
  • Plant Cell Preview
  • Archive
  • Teaching Tools in Plant Biology
  • Plant Physiology
  • Plant Direct
  • Plantae
  • ASPB

For Authors

  • Instructions
  • Submit a Manuscript
  • Editorial Board and Staff
  • Policies
  • Recognizing our Authors

For Reviewers

  • Instructions
  • Peer Review Reports
  • Journal Miles
  • Transfer of reviews to Plant Direct
  • Policies

Other Services

  • Permissions
  • Librarian resources
  • Advertise in our journals
  • Alerts
  • RSS Feeds
  • Contact Us

Copyright © 2019 by The American Society of Plant Biologists

Powered by HighWire