26 December, 2008
Volume 32, Issue 6

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Volume 32, Issue 6

On the cover: The symmetric core of the nuclear pore complex (NPC) can be envisioned as a series of four concentric porous cylinders. A slice through the nuclear envelope is shown, where only the pore membrane cylinder (dark green) and the coat cylinder of the NPC in the foreground are displayed for clarity. In this issue, Debler et al. (p. 815) report three structures of a key component of the NPC coat cylinder. The atomic coordinates of Sec13•Nup145C and Seh1•Nup85 were used to generate the molecular surfaces of the vertical poles (yellow) in the coat cylinder. Horizontal links mediated by Nup120 (light green), as well as by Nup84 and Nup133 (not shown), would give rise to a fence-like NPC coat. Artwork by Joseph Alexander, Erik W. Debler, and André Hoelz.

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  • If you would like editorial input on whether your paper might be a strong candidate for consideration, you can send a presubmission inquiry to Molecular Cell. This should include an abstract plus a brief description of the results and an explanation of the significance to the readership of Molecular Cell.

 

Announcements

Molecular Cell congratulates Robert Tjian, member of its Editorial Board, for his election as the new President of the Howard Hughes Medical Institute.

Molecular Cell congratulates Victor Ambros, David Baulcombe, and Gary Ruvkun for the 2008 Albert Lasker Basic Medical Research Award recognizing their pioneering efforts in discovering small regulatory RNAs.

Molecular Cell congratulates Osamu Shimomura, Martin Chalfie, and Roger Y. Tsien for the 2008 Nobel Prize in Chemistry honoring their work on Green Fluorescent Protein, GFP.


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Featured Job

Endowment for Scholars
Biomedical Research
The University of Texas Southwestern Medical Center

UT Southwestern is pleased to announce the continuation of the Endowed Program for Scholars in Biomedical Research. The Program, which is fully funded from private endowment, will provide at least $1,000,000 over four years to support the research activities of each new Assistant Professor (tenure track) appointed to the Program; five will be appointed annually. For more information visit click here.

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Molecular Mechanisms @ Cell Press


Cell
3' End Processing of a Long Nuclear-Retained Noncoding RNA Yields a tRNA-like Cytoplasmic RNA
Jeremy E. Wilusz, Susan M. Freier, and David L. Spector

Immunity
Memory T Cell RNA Rearrangement Programmed by Heterogeneous Nuclear Ribonucleoprotein hnRNPLL
Zuopeng Wu, Xinying Jia, Laura de la Cruz, Xun-Cheng Su, Bruz Marzolf, Pamela Troisch, Daniel Zak, Adam Hamilton, Belinda Whittle, Di Yu, Daniel Sheahan, Edward Bertram, Alan Aderem, Gottfried Otting, Christopher C. Goodnow, and Gerard F. Hoyne

Trends in Biochemical Sciences
The exosome: a multipurpose RNA-decay machine
Manfred Schmid and Torben Heick Jensen

Trends in Genetics
RNA-binding proteins in human genetic disease
Kiven E. Lukong, Kai-wei Chang, Edouard W. Khandjian, and Stéphane Richard


Current Issue

Volume 32 Issue 6: December 24, 2008
Next issue: January 15, 2009

Included in this issue:

Monoubiquitination of FANCD2 by FANCL, FANCI, and Ube2t
NusB and ribosomal protein S10 in bacterial antitermination
sRNA interactions with mRNA coding regions inhibit bacterial translation
Oxygen-dependent chemical inhibitors of HIF-2a translation
N-glycan binding of Yos9p in ERAD substrate recognition
Identification of yeast transcription factor motifs

Click here for the complete Table of Contents.

Immediate Early Publication


Cotranscriptional Recruitment of the mRNA Export Factor Yra1 by Direct Interaction with the 3’ End Processing Factor Pcf11
Sara Ann Johnson, Gabrielle Cubberley, and David L. Bentley

Subunit Compositions of the RNA-Silencing Enzymes Pol IV and Pol V Reveal Their Origins as Specialized Forms of RNA Polymerase II
Thomas S. Ream, Jeremy R. Haag, Andrzej T. Wierzbicki, Carrie D. Nicora, Angela Norbeck, Jian-Kang Zhu, Gretchen Hagen, Thomas J. Guilfoyle, Ljiljana Paša-Tolić, and Craig S. Pikaard

Featured Articles

The Featured Articles are freely available to all readers

YAP/p73 and PML in a proapoptotic feedback loop
There is more than one way for cells to die by apoptosis. Lapi et al. report that YAP/p73 activates PML transcription. PML, in turn, SUMOylates and stabilizes YAP. Since p73/YAP and PML promote apoptosis, these findings define an alternative apoptotic pathway that may occur in the absence of p53.
Regulated proteolysis of DNA polymerase eta
Translesion synthesis (TLS) DNA polymerases rescue stalled replication by copying DNA across damaged bases; however, since they are error prone, TLS polymerases must be regulated. Kim and Michael report that DNA pol eta is regulated by the SUMO and ubiquitin pathways to restrict its activity to damaged DNA.

Featured Topic

Coregulators of transcription, coactivators and corepressors, are often found in multiprotein complexes that assist in the communication between transcription factors and RNA polymerase II. The following selection of articles and FREE Reviews samples some of the interesting mechanisms by which coregulators work to regulate the activities of sequence-specific transcription factors.

Nuclear Receptor Coregulators: Judges, Juries, and Executioners of Cellular Regulation
*FREE REVIEW*
David M. Lonard, Bert W. O'Malley

A pervasive role of histone acetyltransferases and deacetylases in an NF-κB-signaling code
*FREE TiBS REVIEW*
Miriam Calao, Arsène Burny, Vincent Quivy, Ann Dekoninck, Carine Van Lint

MyoD Targets TAF3/TRF3 to Activate Myogenin Transcription
Maria Divina E. Deato, Michael T. Marr, Theo Sottero, Carla Inouye, Ping Hu, Robert Tjian

A TFTC/STAGA Module Mediates Histone H2A and H2B Deubiquitination, Coactivates Nuclear Receptors, and Counteracts Heterochromatin Silencing
Yue Zhao, Guillaume Lang, Saya Ito, Jacques Bonnet, Eric Metzger, Shun Sawatsubashi, Eriko Suzuki, Xavier Le Guezennec, Hendrik G. Stunnenberg, Aleksey Krasnov, et al.

The Putative Cancer Stem Cell Marker USP22 Is a Subunit of the Human SAGA Complex Required for Activated Transcription and Cell-Cycle Progression
Xiao-Yong Zhang, Maya Varthi, Stephen M. Sykes, Charles Phillips, Claude Warzecha, Wenting Zhu, Anastasia Wyce, Alan W. Thorne, Shelley L. Berger, Steven B. McMahon

Mediator Links Epigenetic Silencing of Neuronal Gene Expression with X-Linked Mental Retardation
Ning Ding, Haiying Zhou, Pierre-Olivier Esteve, Hang Gyeong Chin, Seokjoong Kim, Xuan Xu, Sumy M. Joseph, Michael J. Friez, Charles E. Schwartz, Sriharsa Pradhan et al.

CoREST Represses the Heat Shock Response Mediated by HSF1
Andrea V. Gómez, Danny Galleguillos, Juan Cristóbal Maass, Elena Battaglioli, Manuel Kukuljan, María Estela Andrés

CCAR1, a Key Regulator of Mediator Complex Recruitment to Nuclear Receptor Transcription Complexes
Jeong Hoon Kim, Catherine K. Yang, Kyu Heo, Robert G. Roeder, Woojin An, Michael R. Stallcup

TBL1 and TBLR1 Phosphorylation on Regulated Gene Promoters Overcomes Dual CtBP and NCoR/SMRT Transcriptional Repression Checkpoints
Valentina Perissi, Claudio Scafoglio, Jie Zhang, Kenneth A. Ohgi, David W. Rose, Christopher K. Glass, Michael G. Rosenfeld

Atypical Protein Kinase C Regulates Dual Pathways for Degradation of the Oncogenic Coactivator SRC-3/AIB1
Ping Yi, Qin Feng, Larbi Amazit, David M. Lonard, Sophia Y. Tsai, Ming-Jer Tsai, Bert W. O'Malley

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