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Table of Contents: August 2009

Issue Image

In flowering plants, pollen tubes germinate on the stigma surface and extend through the pistil to locate and deliver sperm to female gametes. An article in this issue of PLoS Genetics (see Qin et al, 10.1371/journal.pgen.1000621) uses bundles of pistil-grown pollen tubes, similar to those shown here, to define genome-wide changes in Arabidopsis pollen tube gene expression that occur in response to growth through pistil tissue. Dramatic changes in gene expression occur in pistil-grown tubes and point to genes that are required for the ability of pollen tubes to grow and reach their cellular targets.

Perspectives

Review

Research Articles

The Genome of Nectria haematococca: Contribution of Supernumerary Chromosomes to Gene Expansion

Jeffrey J. Coleman, Steve D. Rounsley, Marianela Rodriguez-Carres, Alan Kuo, Catherine C. Wasmann, Jane Grimwood, Jeremy Schmutz, Masatoki Taga, Gerard J. White, Shiguo Zhou, David C. Schwartz, Michael Freitag, Li-jun Ma, Etienne G. J. Danchin, Bernard Henrissat, Pedro M. Coutinho, David R. Nelson, Dave Straney, Carolyn A. Napoli, Bridget M. Barker, Michael Gribskov, Martijn Rep, Scott Kroken, István Molnár, Christopher Rensing, John C. Kennell, Jorge Zamora, Mark L. Farman, Eric U. Selker, Asaf Salamov, Harris Shapiro, Jasmyn Pangilinan, Erika Lindquist, Casey Lamers, Igor V. Grigoriev, David M. Geiser, Sarah F. Covert, Esteban Temporini, Hans D. VanEtten

Highly Dynamic and Sex-Specific Expression of microRNAs During Early ES Cell Differentiation

Constance Ciaudo, Nicolas Servant, Valérie Cognat, Alexis Sarazin, Emmanuelle Kieffer, Stéphane Viville, Vincent Colot, Emmanuel Barillot, Edith Heard, Olivier Voinnet

Penetration of the Stigma and Style Elicits a Novel Transcriptome in Pollen Tubes, Pointing to Genes Critical for Growth in a Pistil

Yuan Qin, Alexander R. Leydon, Ann Manziello, Ritu Pandey, David Mount, Stojan Denic, Bane Vasic, Mark A. Johnson, Ravishankar Palanivelu

Fission Yeast Tel1ATM and Rad3ATR Promote Telomere Protection and Telomerase Recruitment

Bettina A. Moser, Lakxmi Subramanian, Lyne Khair, Ya-Ting Chang, Toru M. Nakamura

Genome-Wide Association Study Implicates Chromosome 9q21.31 as a Susceptibility Locus for Asthma in Mexican Children

Dana B. Hancock, Isabelle Romieu, Min Shi, Juan-Jose Sienra-Monge, Hao Wu, Grace Y. Chiu, Huiling Li, Blanca Estela del Rio-Navarro, Saffron A. G. Willis-Owens, Scott T. Weiss, Benjamin A. Raby, Hong Gao, Celeste Eng, Rocio Chapela, Esteban G. Burchard, Hua Tang, Patrick F. Sullivan, Stephanie J. London

A High Incidence of Meiotic Silencing of Unsynapsed Chromatin Is Not Associated with Substantial Pachytene Loss in Heterozygous Male Mice Carrying Multiple Simple Robertsonian Translocations

Marcia Manterola, Jesús Page, Chiara Vasco, Soledad Berríos, María Teresa Parra, Alberto Viera, Julio S. Rufas, Maurizio Zuccotti, Silvia Garagna, Raúl Fernández-Donoso

The Fission Yeast Homeodomain Protein Yox1p Binds to MBF and Confines MBF-Dependent Cell-Cycle Transcription to G1-S via Negative Feedback

Sofia Aligianni, Daniel H. Lackner, Steffi Klier, Gabriella Rustici, Brian T. Wilhelm, Samuel Marguerat, Sandra Codlin, Alvis Brazma, Robertus A. M. de Bruin, Jürg Bähler

A Claudin-9–Based Ion Permeability Barrier Is Essential for Hearing

Yoko Nakano, Sung H. Kim, Hyoung-Mi Kim, Joel D. Sanneman, Yuzhou Zhang, Richard J. H. Smith, Daniel C. Marcus, Philine Wangemann, Randy A. Nessler, Botond Bánfi

Spermatogenesis-Specific Features of the Meiotic Program in Caenorhabditis elegans

Diane C. Shakes, Jui-ching Wu, Penny L. Sadler, Kristen LaPrade, Landon L. Moore, Alana Noritake, Diana S. Chu

Regulon-Specific Control of Transcription Elongation across the Yeast Genome

Vicent Pelechano, Silvia Jimeno-González, Alfonso Rodríguez-Gil, José García-Martínez, José E. Pérez-Ortín, Sebastián Chávez

Phosphofructo-1-Kinase Deficiency Leads to a Severe Cardiac and Hematological Disorder in Addition to Skeletal Muscle Glycogenosis

Miguel García, Anna Pujol, Albert Ruzo, Efrén Riu, Jesús Ruberte, Anna Arbós, Anna Serafín, Beatriz Albella, Juan Emilio Felíu, Fátima Bosch

Osteo-Chondroprogenitor–Specific Deletion of the Selenocysteine tRNA Gene, Trsp, Leads to Chondronecrosis and Abnormal Skeletal Development: A Putative Model for Kashin-Beck Disease

Charlene M. Downey, Chelsea R. Horton, Bradley A. Carlson, Trish E. Parsons, Dolph L. Hatfield, Benedikt Hallgrímsson, Frank R. Jirik

Why the Indian Subcontinent Holds the Key to Global Tiger Recovery

Samrat Mondol, K. Ullas Karanth, Uma Ramakrishnan

A Computational Screen for Regulators of Oxidative Phosphorylation Implicates SLIRP in Mitochondrial RNA Homeostasis

Joshua M. Baughman, Roland Nilsson, Vishal M. Gohil, Daniel H. Arlow, Zareen Gauhar, Vamsi K. Mootha

Functional Enhancers at the Gene-Poor 8q24 Cancer-Linked Locus

Li Jia, Gilad Landan, Mark Pomerantz, Rami Jaschek, Paula Herman, David Reich, Chunli Yan, Omar Khalid, Phil Kantoff, William Oh, J. Robert Manak, Benjamin P. Berman, Brian E. Henderson, Baruch Frenkel, Christopher A. Haiman, Matthew Freedman, Amos Tanay, Gerhard A. Coetzee

Production and Processing of siRNA Precursor Transcripts from the Highly Repetitive Maize Genome

Christopher J. Hale, Karl F. Erhard Jr., Damon Lisch, Jay B. Hollick

A Mouse Model for the Metabolic Effects of the Human Fat Mass and Obesity Associated FTO Gene

Chris Church, Sheena Lee, Eleanor A. L. Bagg, James S. McTaggart, Robert Deacon, Thomas Gerken, Angela Lee, Lee Moir, Jasmin Mecinović, Mohamed M. Quwailid, Christopher J. Schofield, Frances M. Ashcroft, Roger D. Cox

RNA Gain-of-Function in Spinocerebellar Ataxia Type 8

Randy S. Daughters, Daniel L. Tuttle, Wangcai Gao, Yoshio Ikeda, Melinda L. Moseley, Timothy J. Ebner, Maurice S. Swanson, Laura P. W. Ranum

Aging and Environmental Exposures Alter Tissue-Specific DNA Methylation Dependent upon CpG Island Context

Brock C. Christensen, E. Andres Houseman, Carmen J. Marsit, Shichun Zheng, Margaret R. Wrensch, Joseph L. Wiemels, Heather H. Nelson, Margaret R. Karagas, James F. Padbury, Raphael Bueno, David J. Sugarbaker, Ru-Fang Yeh, John K. Wiencke, Karl T. Kelsey

Nuclear Calcium Signaling Controls Expression of a Large Gene Pool: Identification of a Gene Program for Acquired Neuroprotection Induced by Synaptic Activity

Sheng-Jia Zhang, Ming Zou, Li Lu, David Lau, Désirée A. W. Ditzel, Celine Delucinge-Vivier, Yoshinori Aso, Patrick Descombes, Hilmar Bading

CHD3 Proteins and Polycomb Group Proteins Antagonistically Determine Cell Identity in Arabidopsis

Ernst Aichinger, Corina B. R. Villar, Sara Farrona, José C. Reyes, Lars Hennig, Claudia Köhler

Multiple Loci within the Major Histocompatibility Complex Confer Risk of Psoriasis

Bing-Jian Feng, Liang-Dan Sun, Razieh Soltani-Arabshahi, Anne M. Bowcock, Rajan P. Nair, Philip Stuart, James T. Elder, Steven J. Schrodi, Ann B. Begovich, Gonçalo R. Abecasis, Xue-Jun Zhang, Kristina P. Callis-Duffin, Gerald G. Krueger, David E. Goldgar

CLRN1 Is Nonessential in the Mouse Retina but Is Required for Cochlear Hair Cell Development

Scott F. Geller, Karen I. Guerin, Meike Visel, Aaron Pham, Edwin S. Lee, Amiel A. Dror, Karen B. Avraham, Toshinori Hayashi, Catherine A. Ray, Thomas A. Reh, Olivia Bermingham-McDonogh, William J. Triffo, Shaowen Bao, Juha Isosomppi, Hanna Västinsalo, Eeva-Marja Sankila, John G. Flannery

Tissue Effect on Genetic Control of Transcript Isoform Variation

Tony Kwan, Elin Grundberg, Vonda Koka, Bing Ge, Kevin C. L. Lam, Christel Dias, Andreas Kindmark, Hans Mallmin, Östen Ljunggren, Fernando Rivadeneira, Karol Estrada, Joyce B. van Meurs, Andre Uitterlinden, Magnus Karlsson, Claes Ohlsson, Dan Mellström, Olle Nilsson, Tomi Pastinen, Jacek Majewski

Identification of the UBP1 Locus as a Critical Blood Pressure Determinant Using a Combination of Mouse and Human Genetics

Hana Koutnikova, Markku Laakso, Lu Lu, Roy Combe, Jussi Paananen, Teemu Kuulasmaa, Johanna Kuusisto, Hans-Ulrich Häring, Torben Hansen, Oluf Pedersen, Ulf Smith, Markolf Hanefeld, Robert W. Williams, Johan Auwerx

Evolutionary Processes Acting on Candidate cis-Regulatory Regions in Humans Inferred from Patterns of Polymorphism and Divergence

Dara G. Torgerson, Adam R. Boyko, Ryan D. Hernandez, Amit Indap, Xiaolan Hu, Thomas J. White, John J. Sninsky, Michele Cargill, Mark D. Adams, Carlos D. Bustamante, Andrew G. Clark