Table of contents


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Editorial

Cloning terror pp85 - 86

doi:10.1038/ncb0203-85


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Perspective

Signalling pathways that mediate skeletal muscle hypertrophy and atrophy pp87 - 90

David J. Glass

doi:10.1038/ncb0203-87


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News and Views

Killer wiles: growing interest in Fas pp91 - 92

Brigitte Pettmann & Christopher E. Henderson

doi:10.1038/ncb0203-91

Signalling pathways involved in axonal growth are the subject of intense study. A new report further highlights the role of the extracellular signal-regulated kinase (ERK)/p35 pathway, but identifies a surprising potential trigger: the death receptor Fas. This study illustrates the importance of cellular context in the functional outcome of a given signalling mechanism.


How to attract a sperm pp93 - 96

Jackson C. Kirkman-Brown, Keith A. Sutton & Harvey M. Florman

doi:10.1038/ncb0203-93

One of the most fundamental questions of fertilization is how do sperm locate eggs? In many animals and lower plant groups, sperm are guided by chemo-attractants released from eggs. In this issue of Nature Cell Biology, Kaupp and colleagues now examine the very early events of this process in the sea urchin Arbacia punctulata.


Caveat experimentor — is your myosin really inhibited? p95

Margareta A. Titus

doi:10.1038/ncb0203-95


ATMachine p96

Bernd Pulverer

doi:10.1038/ncb0203-96


Mitochondria, AIF and caspases — rivaling for cell death execution pp97 - 99

Josef M. Penninger & Guido Kroemer

doi:10.1038/ncb0203-97

In both the nematode Caenorhabditis elegans and mammals, two proteins released from the mitochondrion — apoptosis inducing factor (AIF) and endonuclease G — cooperate in executing programmed cell death. Although both factors can kill cells in a caspase-independent fashion, new studies indicate that their translocation from mitochondria depends, in part, on caspase activation. Together, these data raise new questions about the functional hierarchy between caspases, AIF and mitochondrial membrane permeabilization.



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Book Review

Tools for Complexity p102

Robert D. Phair reviews Computational Cell Biology by C.P. Fall, E.S. Marland, J.M. Wagner & J.J. Tyson

doi:10.1038/ncb0203-102


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Review

Developmental control of cell morphogenesis: a focus on membrane growth pp103 - 108

Thomas Lecuit & Fanny Pilot

doi:10.1038/ncb0203-103


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Articles

The signal flow and motor response controling chemotaxis of sea urchin sperm pp109 - 117

U. Benjamin Kaupp, Johannes Solzin, Eilo Hildebrand, Joel E. Brown, Annika Helbig, Volker Hagen, Michael Beyermann, Francesco Pampaloni & Ingo Weyand

doi:10.1038/ncb915


Fas engagement induces neurite growth through ERK activation and p35 upregulation pp118 - 125

Julie Desbarats, Raymond B. Birge, Manuelle Mimouni-Rongy, David E. Weinstein, Jean-Sébastien Palerme & M. Karen Newell

doi:10.1038/ncb916


Three-dimensional analysis of post-Golgi carrier exocytosis in epithelial cells pp126 - 136

Geri Kreitzer, Jan Schmoranzer, Seng Hui Low, Xin Li, Yunbo Gan, Thomas Weimbs, Sanford M Simon & Enrique Rodriguez-Boulan

doi:10.1038/ncb917


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Letters

Direct interaction of two polarity complexes implicated in epithelial tight junction assembly pp137 - 142

Toby W. Hurd, Lin Gao, Michael H. Roh, Ian G. Macara & Ben Margolis

doi:10.1038/ncb923


Active cyclin B1–Cdk1 first appears on centrosomes in prophase pp143 - 148

Mark Jackman, Catherine Lindon, Erich A. Nigg & Jonathon Pines

doi:10.1038/ncb918


Binding of SAP SH2 domain to FynT SH3 domain reveals a novel mechanism of receptor signalling in immune regulation pp149 - 154

Sylvain Latour, Romain Roncagalli, Riyan Chen, Marcin Bakinowski, Xiaochu Shi, Pamela L. Schwartzberg, Dominique Davidson & André Veillette

doi:10.1038/ncb919


SAP couples Fyn to SLAM immune receptors pp155 - 160

Betty Chan, Arpad Lanyi, Hyun Kyu Song, Jan Griesbach, Maria Simarro-Grande, Florence Poy, Duncan Howie, Janos Sumegi, Cox Terhorst & Michael J. Eck

doi:10.1038/ncb920




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Brief Communication

Native Myosin-IXb is a plus-, not a minus-end-directed motor pp171 - 172

Christopher B. O'Connell & Mark S. Mooseker

doi:10.1038/ncb924


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