Table of contents


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Editorial

Scaling cell biology: all systems go! p79

doi:10.1038/ncb0204-79


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Book Review

The Golgi in plants and animals p81

Akihiko Nakano reviews The Golgi Apparatus and the Plant Secretory Pathway by David Robinson

doi:10.1038/ncb0204-81


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Meeting Report


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News and Views

Keeping cartographers busy pp87 - 89

Matthew S. Hayden & Sankar Ghosh

doi:10.1038/ncb0204-87

In the post-genome era, there is increasing interest in developing quantitative models of cell function at the molecular level. Although data describing the role of individual proteins in cell behaviour remain rate-limiting for such efforts, large-scale screening approaches are providing results that can be used to map the protein–protein interactions of a living biological system.


Modifiying NEMO pp89 - 91

Ronald T. Hay

doi:10.1038/ncb0204-89

Genotoxic stress induces a survival response by releasing the transcription factor NF-kappaB from its inhibitor IkappaBalpha. In response to DNA damage, this initially requires the nuclear modification of the IkappaB kinase regulator NEMO/IKKgamma by SUMO and ubiquitin.


Security measures at the nuclear pore p91

Alison Schuldt

doi:10.1038/ncb0204-91


The heat is on with TAC1 pp92 - 93

Tilman Sanchez-Elsner & Frank Sauer

doi:10.1038/ncb0204-92

Specific gene expression patterns must be tightly regulated for eukaryotic cells to acquire unique structural and functional features. A key step is transcriptional initiation, during which epigenetic activators are thought to facilitate the process by establishing and maintaining transcription-competent chromatin structures. Accumulating evidence shows that an epigenetic regulator can also control the next step — transcriptional elongation.


Kinetochore sub-structure comes to MIND pp94 - 95

Vivien Measday & Philip Hieter

doi:10.1038/ncb0204-94

The kinetochore attaches the centromeric region of chromosomes to spindle microtubules, allowing equatorial chromosome segregation during mitosis. Proteomic analyses suggest that the kinetochore is a supramolecular complex containing more than 65 proteins that surpasses the size of a ribosome. From within this complex web, stable protein sub-complexes have been extracted, revealing the building blocks for kinetochore assembly.


Cell of the month: An outer hair cell of the inner ear p96

Mei Zhang & Patrick J. Antonelli

doi:10.1038/ncb0204-96


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Article

A physical and functional map of the human TNF-alpha/NF-kappaB signal transduction pathway pp97 - 105

Tewis Bouwmeester, Angela Bauch, Heinz Ruffner, Pierre-Olivier Angrand, Giovanna Bergamini, Karen Croughton, Cristina Cruciat, Dirk Eberhard, Julien Gagneur, Sonja Ghidelli, Carsten Hopf, Bettina Huhse, Raffaella Mangano, Anne-Marie Michon, Markus Schirle, Judith Schlegl, Markus Schwab, Martin A. Stein, Andreas Bauer, Georg Casari, Gerard Drewes, Anne-Claude Gavin, David B. Jackson, Gerard Joberty, Gitte Neubauer, Jens Rick, Bernhard Kuster & Giulio Superti-Furga

doi:10.1038/ncb1086

See also: News and Views by Hayden & Ghosh


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Letters

ASC is a Bax adaptor and regulates the p53–Bax mitochondrial apoptosis pathway pp121 - 128

Takao Ohtsuka, Hoon Ryu, Yohji A. Minamishima, Salvador Macip, Junji Sagara, Keiichi I. Nakayama, Stuart A. Aaronson & Sam W. Lee

doi:10.1038/ncb1087


Modulation of heat shock gene expression by the TAC1 chromatin-modifying complex pp162 - 167

Sheryl T. Smith, Svetlana Petruk, Yurii Sedkov, Elizabeth Cho, Sergei Tillib, Eli Canaani & Alexander Mazo

doi:10.1038/ncb1088

See also: News and Views by Sanchez-Elsner & Sauer


A novel mechanism for the store-operated calcium influx pathway pp113 - 120

Tarik Smani, Sergey I. Zakharov, Peter Csutora, Endri Leno, Elena S. Trepakova & Victoria M. Bolotina

doi:10.1038/ncb1089


Protein kinase D regulates basolateral membrane protein exit from trans-Golgi network pp106 - 112

Charles Yeaman, M. Inmaculada Ayala, Jessica R. Wright, Frederic Bard, Carine Bossard, Agnes Ang, Yusuke Maeda, Thomas Seufferlein, Ira Mellman, W. James Nelson & Vivek Malhotra

doi:10.1038/ncb1090


The tumour suppressor RASSF1A regulates mitosis by inhibiting the APC–Cdc20 complex pp129 - 137

Min Sup Song, Su Jeong Song, Nagi G. Ayad, Jin Sook Chang, Joo Hyun Lee, Hyun Kyung Hong, Ho Lee, Naeyun Choi, Jhingook Kim, Hojoong Kim, Jin Woo Kim, Eui-Ju Choi, Marc W. Kirschner & Dae-Sik Lim

doi:10.1038/ncb1091



Gadd45beta mediates the NF-kappaB suppression of JNK signalling by targeting MKK7/JNKK2 pp146 - 153

Salvatore Papa, Francesca Zazzeroni, Concetta Bubici, Shanthi Jayawardena, Kellean Alvarez, Shuji Matsuda, Dung U. Nguyen, Can G. Pham, Andreas H. Nelsbach, Tiziana Melis, Enrico De Smaele, Wei-Jen Tang, Luciano D'Adamio & Guido Franzoso

doi:10.1038/ncb1093


FAK–Src signalling through paxillin, ERK and MLCK regulates adhesion disassembly pp154 - 161

Donna J. Webb, Karen Donais, Leanna A. Whitmore, Sheila M. Thomas, Christopher E. Turner, J. Thomas Parsons & Alan F. Horwitz

doi:10.1038/ncb1094


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Brief Communication

Senescing human cells and ageing mice accumulate DNA lesions with unrepairable double-strand breaks pp168 - 170

Olga A. Sedelnikova, Izumi Horikawa, Drazen B. Zimonjic, Nicholas C. Popescu, William M. Bonner & J. Carl Barrett

doi:10.1038/ncb1095


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