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 April 2009; Volume 21, Issue 4   [Index by Author] 
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To see an article, click its [Full Text] or [PDF] link. To review many abstracts, check the boxes to the left of the titles you want, and click the 'Get All Checked Abstract(s)' button. To see one abstract at a time, click its [Abstract] link.

EDITORIAL:Back

Guidelines for Quantitative RT-PCR
Cathie Martin
Plant Cell 2009 21: 1023. First Published on April 24, 2009; doi:10.1105/tpc.109.210480
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IN THIS ISSUE:Back

Deep Sequencing Maps the Maize Epigenomic Landscape
Nancy A. Eckardt
Plant Cell 2009 21: 1024-1026. First Published on April 24, 2009; doi:10.1105/tpc.109.068064
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IN BRIEF:Back

Rice Axillary Meristem Formation Requires Directional Movement of LAX PANICLE1 Protein
Jennifer Mach
Plant Cell 2009 21: 1027. First Published on April 3, 2009; doi:10.1105/tpc.109.210410
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Cortical Microtubules Regulate the Insertion of Cellulose Synthase Complexes in the Plasma Membrane
Kathleen L. Farquharson
Plant Cell 2009 21: 1028. First Published on April 17, 2009; doi:10.1105/tpc.109.210411
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A Volvox Inversionless Mutant Highlights the Importance of the Extracellular Matrix in Morphogenesis
Nancy A. Eckardt
Plant Cell 2009 21: 1029. First Published on April 3, 2009; doi:10.1105/tpc.109.210412
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Pexophagy in Fungal Pathogenesis
Gregory Bertoni
Plant Cell 2009 21: 1030. First Published on April 10, 2009; doi:10.1105/tpc.109.210413
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LETTERS TO THE EDITOR:Back

Real-Time Quantitative RT-PCR: Design, Calculations, and Statistics
Ivo Rieu and Stephen J. Powers
Plant Cell 2009 21: 1031-1033. First Published on April 24, 2009; doi:10.1105/tpc.109.066001
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REVIEW ARTICLES:Back

Siobhan M. Brady and Nicholas J. Provart
Plant Cell 2009 21: 1034-1051. First Published on April 28, 2009; doi:10.1105/tpc.109.066050
[Abstract] [Full Text] [PDF]

RESEARCH ARTICLES:Back

Xiangfeng Wang, Axel A. Elling, Xueyong Li, Ning Li, Zhiyu Peng, Guangming He, Hui Sun, Yijun Qi, X. Shirley Liu, and Xing Wang Deng
Plant Cell 2009 21: 1053-1069. First Published on April 17, 2009; doi:10.1105/tpc.109.065714
This genome-wide survey shows that epigenetic patterns differ significantly between protein-coding genes and transposable elements in maize. It is found that activating histone modifications co-occur, but the repressive marks H3K27me3 and DNA methylation exclude each other. Evidence is provided that changing mop1 transcript levels might lead to a tissue-specific shift of small RNA populations.
[Abstract] [Full Text] [PDF] [Supplemental Data][Author Profile]

Noortje Kornet and Ben Scheres
Plant Cell 2009 21: 1070-1079. First Published on April 17, 2009; doi:10.1105/tpc.108.065300
The Arabidopsis GCN5 histone acetyltransferase complex attenuates the recently discovered gradient expression of the PLETHORA genes and thereby regulates root stem cell niche maintenance and proliferation. Therefore, chromatin modifications play an important role in stem cell maintenance and in shaping a developmentally instructive gradient in the root.
[Abstract] [Full Text] [PDF] [Supplemental Data]

Yeon Hee Kang, Victor Kirik, Martin Hulskamp, Kyoung Hee Nam, Katherine Hagely, Myeong Min Lee, and John Schiefelbein
Plant Cell 2009 21: 1080-1094. First Published on April 24, 2009; doi:10.1105/tpc.108.063180
The precise specification of distinct cell fates during development requires accurate regulatory mechanisms. This work shows that MYB23 provides a positive transcriptional feedback loop for cell fate specification in the Arabidopsis root epidermis, and together with the previously identified lateral inhibition mechanism, ensures robust establishment of the cell type pattern.
[Abstract] [Full Text] [PDF] [Supplemental Data]

Tetsuo Oikawa and Junko Kyozuka
Plant Cell 2009 21: 1095-1108. First Published on April 3, 2009; doi:10.1105/tpc.108.065425
The first step of shoot branching is production of axillary meristems (AMs) that are formed in the axils of leaves. Rice LAX PANICLE1 (LAX1) is required for AM formation through the plant's life. Here, we show that LAX1 protein, produced in the boundary between the subtending leaf and the future AM, moves toward the growing AM to establish a new AM.
[Abstract] [Full Text] [PDF] [Supplemental Data][Author Profile]

Mark T. Waters, Peng Wang, Muris Korkaric, Richard G. Capper, Nigel J. Saunders, and Jane A. Langdale
Plant Cell 2009 21: 1109-1128. First Published on April 17, 2009; doi:10.1105/tpc.108.065250
GOLDEN2-LIKE (GLK) transcription factors are required for normal chloroplast development in several land plants. This study shows that GLK proteins synchronously upregulate genes relating to light harvesting and chlorophyll biosynthesis via direct interaction with promoter sequences. GLK activity most likely optimizes photosynthesis by coordinating responses to variable environmental conditions.
[Abstract] [Full Text] [PDF] [Supplemental Data] OPEN ACCESS ARTICLE

C.J. Tracy Zeng, Y.-R. Julie Lee, and Bo Liu
Plant Cell 2009 21: 1129-1140. First Published on April 21, 2009; doi:10.1105/tpc.109.065953
Higher plant cells organize microtubules in the absence of a structurally defined microtubule-organizing center. This article reports that the WD40 repeat protein NEDD1 appears preferentially toward the minus ends of microtubules and plays a critical role in microtubule organization during cell division in Arabidopsis thaliana.
[Abstract] [Full Text] [PDF] [Supplemental Data]

Elizabeth Faris Crowell, Volker Bischoff, Thierry Desprez, Aurélia Rolland, York-Dieter Stierhof, Karin Schumacher, Martine Gonneau, Herman Höfte, and Samantha Vernhettes
Plant Cell 2009 21: 1141-1154. First Published on April 17, 2009; doi:10.1105/tpc.108.065334
Little is known about how cellulose synthases (CESAs) reach their site of activity at the plasma membrane. Here, intracellular trafficking of CESA3 was investigated using live-cell imaging and electron microscopy. CESA3 secretion is accompanied by pausing of Golgi bodies on microtubules, and CESA3 is internalized in compartments whose movement depends on cortical microtubule array dynamics.
[Abstract] [Full Text] [PDF] [Supplemental Data][Author Profile]

Satoshi Endo, Edouard Pesquet, Masatoshi Yamaguchi, Gen Tashiro, Mayuko Sato, Kiminori Toyooka, Nobuyuki Nishikubo, Makiko Udagawa-Motose, Minoru Kubo, Hiroo Fukuda, and Taku Demura
Plant Cell 2009 21: 1155-1165. First Published on April 21, 2009; doi:10.1105/tpc.108.059154
This study uses an RNAi screen in Zinnia to identify two new components, Tracheary Element Differentiation-Related6 (TED6) and TED7, which contribute to cell wall biosynthesis during xylem vessel formation. The authors study TED6 and TED7 functions and interactions in Arabidopsis plants and Zinnia cultured cells.
[Abstract] [Full Text] [PDF] [Supplemental Data]

Noriko Ueki and Ichiro Nishii
Plant Cell 2009 21: 1166-1181. First Published on April 3, 2009; doi:10.1105/tpc.109.066159
Volvox embryos undergo a morphogenetic process called inversion, by which they turn from inside-out to right-side-out. The authors characterize an InvB mutant that fails to invert. They show that InvB is a nucleotide-sugar transporter that is required during embryogenesis for enlarging the vesicle that surrounds the embryo to make room for the embryo to invert.
[Abstract] [Full Text] [PDF] [Supplemental Data][Author Profile]

Masaki Odahara, Haruko Kuroiwa, Tsuneyoshi Kuroiwa, and Yasuhiko Sekine
Plant Cell 2009 21: 1182-1194. First Published on April 7, 2009; doi:10.1105/tpc.108.064709
This work studies the role of a homolog of bacterial recombinase RecA in the dynamics of the plant mitochondrial genome. The analysis of mitochondrial recA disruptants shows that RecA does not promote but rather suppresses recombination among short repeated sequences scattered throughout the mitochondrial genome, thereby maintaining mitochondrial genome stability.
[Abstract] [Full Text] [PDF] [Supplemental Data]

Hae-Ryong Song, Ju-Dong Song, Jung-Nam Cho, Richard M. Amasino, Bosl Noh, and Yoo-Sun Noh
Plant Cell 2009 21: 1195-1211. First Published on April 17, 2009; doi:10.1105/tpc.108.064774
This work shows that SOC1 transcripts are directly recognized and regulated by an RNA binding protein EARLY FLOWERING9 (ELF9). In addition, ELF9 regulates multiple transcripts that are the targets of nonsense-mediated mRNA decay (NMD). Thus, ELF9 might be an RNA binding component of the Arabidopsis NMD system.
[Abstract] [Full Text] [PDF] [Supplemental Data]

Kiminori Toyooka, Yumi Goto, Satoru Asatsuma, Masato Koizumi, Toshiaki Mitsui, and Ken Matsuoka
Plant Cell 2009 21: 1212-1229. First Published on April 17, 2009; doi:10.1105/tpc.108.058933
Analysis of post-Golgi transport machinery revealed a mobile structure of clustered secretory vesicles, termed the secretory vesicle cluster (SVC), which originates from the trans-Golgi network and fuses with plasma membrane or cell plate. The presence of secretory proteins and glycans suggested that SVC is involved in mass transport from the Golgi to the cell exterior.
[Abstract] [Full Text] [PDF] [Supplemental Data] OPEN ACCESS ARTICLE

Allan DeBono, Trevor H. Yeats, Jocelyn K.C. Rose, David Bird, Reinhard Jetter, Ljerka Kunst, and Lacey Samuels
Plant Cell 2009 21: 1230-1238. First Published on April 14, 2009; doi:10.1105/tpc.108.064451
It has long been hypothesized that extracellular transfer of lipids across the epidermal cell wall to the waxy cuticle would require lipid transfer proteins (LTPs). An LTP with a GPI-anchor, LTPG, is required for export of wax to the cuticle in the stems of Arabidopsis. LTPG is primarily localized to the plasma membrane, and recombinant LTPG displays binding affinity for a lipophilic analog.
[Abstract] [Full Text] [PDF] [Supplemental Data] OPEN ACCESS ARTICLE

Jonathan H. Fowler, Javier Narváez-Vásquez, Dale N. Aromdee, Véronique Pautot, Frances M. Holzer, and Linda L. Walling
Plant Cell 2009 21: 1239-1251. First Published on April 17, 2009; doi:10.1105/tpc.108.065029
This work examines the role of the late wound-response gene Leucine aminopeptidase A (LapA) in herbivory and wound-induced gene expression. Examination of silenced and overexpressing lines indicates that LAP-A promotes defense responses downstream of jasmonic acid.
[Abstract] [Full Text] [PDF] [Supplemental Data]

José J. Reina-Pinto, Derry Voisin, Sergey Kurdyukov, Andrea Faust, Richard P. Haslam, Louise V. Michaelson, Nadia Efremova, Benni Franke, Lukas Schreiber, Johnathan A. Napier, and Alexander Yephremov
Plant Cell 2009 21: 1252-1272. First Published on April 17, 2009; doi:10.1105/tpc.109.065565
In this work, expression of a fatty acid elongase in the epidermis results in glabrous plants because newly initiated trichomes undergo rapid cell death. Chemical genetic screens identify cell death inhibitors that restore cell differentiation program.
[Abstract] [Full Text] [PDF] [Supplemental Data]

Gloria Mosquera, Martha C. Giraldo, Chang Hyun Khang, Sean Coughlan, and Barbara Valent
Plant Cell 2009 21: 1273-1290. First Published on April 7, 2009; doi:10.1105/tpc.107.055228
The authors analyze host and pathogen gene expression after enrichment for biotrophic invasive hyphae (IH) of Magnaporthe oryzae growing in the first-invaded rice cells. IH express genes encoding biotrophy-associated secreted proteins, some of which accumulate in blast biotrophic interfacial complexes in compatible interactions, resemble known avirulence effectors.
[Abstract] [Full Text] [PDF] [Supplemental Data] OPEN ACCESS ARTICLE

Makoto Asakura, Sachiko Ninomiya, Miki Sugimoto, Masahide Oku, Shun-ichi Yamashita, Tetsuro Okuno, Yasuyoshi Sakai, and Yoshitaka Takano
Plant Cell 2009 21: 1291-1304. First Published on April 10, 2009; doi:10.1105/tpc.108.060996
For plant infection, the cucumber anthracnose fungus requires Atg26, a glucosyl transferase involved in pexophagy, the selective degradation of peroxisomes. Appressoria of an atg26 mutant fail to develop invasion hyphae and show defective pexophagy. Domain analysis of Atg26 suggests that both its phosphoinositide binding domain and catalytic domain are required for pexophagy and pathogenicity.
[Abstract] [Full Text] [PDF] [Supplemental Data][Author Profile]

Jung-Gun Kim, Xinyan Li, Julie Anne Roden, Kyle W. Taylor, Chris D. Aakre, Bessie Su, Sylvie Lalonde, Angela Kirik, Yanhui Chen, Gayathri Baranage, Heather McLane, Gregory B. Martin, and Mary Beth Mudgett
Plant Cell 2009 21: 1305-1323. First Published on April 14, 2009; doi:10.1105/tpc.108.063123
This work shows that the plant pathogen Xanthomonas campestris pathovar vesicatoria uses the XopN T3S effector protein to suppress tomato defense responses at the early stages of pathogen recognition. Biochemical studies indicate that XopN interacts specifically with a tomato atypical receptor kinase TARK1 that is partially required to limit bacterial multiplication in leaves.
[Abstract] [Full Text] [PDF] [Supplemental Data]

To see an article, click its [Full Text] or [PDF] link. To review many abstracts, check the boxes to the left of the titles you want, and click the 'Get All Checked Abstract(s)' button. To see one abstract at a time, click its [Abstract] link.


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