Table of contents


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Focus

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Editorial

All systems go! p1179

doi:10.1038/ncb1106-1179


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Reviews

Focus on Systems biology: a user's guide

Linking publication, gene and protein data pp1183 - 1189

Paul Kersey & Rolf Apweiler

doi:10.1038/ncb1495


Focus on Systems biology: a user's guide

Modelling data across labs, genomes, space and time pp1190 - 1194

Jason R. Swedlow, Suzanna E. Lewis & Ilya G. Goldberg

doi:10.1038/ncb1496


Focus on Systems biology: a user's guide

Physicochemical modelling of cell signalling pathways pp1195 - 1203

Bree B. Aldridge, John M. Burke, Douglas A. Lauffenburger & Peter K. Sorger

doi:10.1038/ncb1497


Focus on Systems biology: a user's guide

Modelling microtubule patterns pp1204 - 1211

Eric Karsenti, François Nédélec & Thomas Surrey

doi:10.1038/ncb1498


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Book Review

Biofluorescence: the making of a new technology p1212

Jennifer Lippincott-Schwartz reviews Aglow in the dark: The revolutionary science of biofluorescence by Vincent Pieribone & David Gruber

doi:10.1038/ncb1106-1212


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News and Views

ROS as a tumour suppressor? pp1213 - 1215

Matthew R. Ramsey & Norman E. Sharpless

doi:10.1038/ncb1106-1213

Senescence is an important mechanism for suppressing mammalian tumours and it may also contribute to aging. A new study suggests that changes in the metabolism of oxygen radicals are important for establishing senescence and blocking cytokinesis to ensure senescent cells never divide again.


Ahead of the curve: mitochondrial fusion and phospholipase D pp1215 - 1217

Robert E. Jensen & Hiromi Sesaki

doi:10.1038/ncb1106-1215

A new study has identified a novel phospholipase D (PLD) that is located in the mitochondrial outer membrane and is required for organelle fusion. As PLD-catalysed production of fusogenic lipids is critical for many examples of membrane fusion (such as those mediated by SNAREs), this startling finding raises the possibility that mitochondria use a mechanism common to other cellular fusion events.


PERing in their sleep p1217

Sowmya Swaminathan

doi:10.1038/ncb1106-1217


Working out coupled monoubiquitination pp1218 - 1219

Kaisa Haglund & Harald Stenmark

doi:10.1038/ncb1106-1218

Ubiquitin receptors that bind ubiquitinated proteins through ubiquitin-binding domains have key roles in various cellular processes. These receptors are often themselves monoubiquitinated, referred to as coupled monoubiquitination. Now, coupled monoubiquitination has been shown to involve monoubiquitination of a ubiquitin ligase and its subsequent interaction with a ubiquitin receptor.


SePARating polarity and proliferation in ErbB2 oncogenesis pp1220 - 1222

Stephanie J. Walker & Joan S. Brugge

doi:10.1038/ncb1106-1220

Loss of tissue organization, including disruption of epithelial polarity, is a feature of many carcinomas. Activation of the oncogenic receptor tyrosine kinase, ErbB2, induces alterations in epithelial architecture, but the mechanisms underlying this effect are poorly understood. New data suggests that the polarity proteins, Par6 and atypical PKC, may affect epithelial polarity and cell survival through interactions with an ErbB2 receptor complex.


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Articles


Par6–aPKC uncouples ErbB2 induced disruption of polarized epithelial organization from proliferation control pp1235 - 1245

Victoria Aranda, Teresa Haire, Marissa E. Nolan, Joseph P. Calarco, Avi Z. Rosenberg, James P. Fawcett, Tony Pawson & Senthil K. Muthuswamy

doi:10.1038/ncb1485

See also: News and Views by Walker & Brugge


Molecular mechanisms of coupled monoubiquitination pp1246 - 1254

Tanja Woelk, Barbara Oldrini, Elena Maspero, Stefano Confalonieri, Elena Cavallaro, Pier Paolo Di Fiore & Simona Polo

doi:10.1038/ncb1484

See also: News and Views by Haglund & Stenmark


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Letters

A common lipid links Mfn-mediated mitochondrial fusion and SNARE-regulated exocytosis pp1255 - 1262

Seok-Yong Choi, Ping Huang, Gary M. Jenkins, David C. Chan, Juergen Schiller & Michael A. Frohman

doi:10.1038/ncb1487

See also: News and Views by Jensen & Sesaki


TRAPPII subunits are required for the specificity switch of a Ypt–Rab GEF pp1263 - 1269

Nadya Morozova, Yongheng Liang, Andrei A. Tokarev, Shu H. Chen, Randal Cox, Jelena Andrejic, Zhanna Lipatova, Vicki A. Sciorra, Scott D. Emr & Nava Segev

doi:10.1038/ncb1489


CD28 interaction with filamin-A controls lipid raft accumulation at the T-cell immunological synapse pp1270 - 1276

Regina Tavano, Rita Lucia Contento, Sonia Jimenez Baranda, Marzia Soligo, Loretta Tuosto, Santos Manes & Antonella Viola

doi:10.1038/ncb1492


CUL4–DDB1 ubiquitin ligase interacts with multiple WD40-repeat proteins and regulates histone methylation pp1277 - 1283

Leigh Ann Higa, Min Wu, Tao Ye, Ryuji Kobayashi, Hong Sun & Hui Zhang

doi:10.1038/ncb1490


Control of Rad52 recombination activity by double-strand break-induced SUMO modification pp1284 - 1290

Meik Sacher, Boris Pfander, Carsten Hoege & Stefan Jentsch

doi:10.1038/ncb1488


Mitogenic signalling and the p16INK4a–Rb pathway cooperate to enforce irreversible cellular senescence pp1291 - 1297

Akiko Takahashi, Naoko Ohtani, Kimi Yamakoshi, Shin-ichi Iida, Hidetoshi Tahara, Keiko Nakayama, Keiichi I. Nakayama, Toshinori Ide, Hideyuki Saya & Eiji Hara

doi:10.1038/ncb1491

See also: News and Views by Ramsey & Sharpless


Input from Ras is required for maximal PI(3)K signalling in Drosophila pp1298 - 1302

Mariam H. Orme, Saif Alrubaie, Gemma L. Bradley, Cherryl D. Walker & Sally J. Leevers

doi:10.1038/ncb1493


Gbetabold gammas and the Ras binding domain of p110bold gamma are both important regulators of PI3Kbold gamma signalling in neutrophils pp1303 - 1309

Sabine Suire, Alison M. Condliffe, G. John Ferguson, Chris D. Ellson, Hervé Guillou, Keith Davidson, Heidi Welch, John Coadwell, Martin Turner, Edwin R. Chilvers, Phillip T. Hawkins & Len Stephens

doi:10.1038/ncb1494


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Corrigendum

Corrigendum p1309

doi:10.1038/ncb1106-1309


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