Table of contents


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Editorial

Speaking up p171

doi:10.1038/ncb0304-171


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Book Review

Science, Society and the Nobel Prize p173

Andreas Trumpp & Daniel Kalman review How to win the Nobel Prize. An Unexpected Life in Science by J. Michael Bishop

doi:10.1038/ncb0304-173


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News and Views

GGAing ubiquitin to the endosome pp175 - 177

Markus Babst

doi:10.1038/ncb0304-175

Delivery of transmembrane proteins to the lumen of the lysosome is mediated by their ubiquitination, and subsequent recognition and sorting at the endosome. A new group of ubiquitin-binding proteins has now been identified that seem to function in the delivery of ubiquitinated cargo both from the cell surface and the trans-Golgi network (TGN) to the lysosome.

See also: Letter by Puertollano & Bonifacino | Letter by Scott et al.


Robbing from the pore pp177 - 179

Benjamin L. Timney & Michael P. Rout

doi:10.1038/ncb0304-177

How do you build a sorting machine that can function with less than half of its sorting components? This problem challenges our understanding of nucleocytoplasmic transport after the finding that yeast can survive with nuclear pore complexes (NPCs) containing only half their original mass of transport-factor-binding domains.


To cluster or not to cluster: FRETting over rafts pp180 - 181

Susan K. Pierce

doi:10.1038/ncb0304-180

Lipid rafts are thought to be important for signalling cascades by compartmentalizing signalling components in the membrane. This view has recently come under fire because the common method used for isolation of rafts — detergent extraction — is fraught with artefacts. A variety of techniques, including FRET, have been used recently to investigate rafts in their native environment in intact cells. Now, FRET analysis provides evidence that rafts may not have a role in T-cell activation after all.


Correcting SYNful attachments pp181 - 183

Sue Biggins

doi:10.1038/ncb0304-181

The remarkable fidelity of chromosome segregation during mitosis and meiosis is critical for preventing birth defects and diseases. The Aurora protein kinases prevent defects in segregation by correcting mistakes in chromosome attachment to the spindle before cells divide.


Resolving a Holliday romance p184

Jon Reynolds

doi:10.1038/ncb0304-184a


Translating prions at the synapse pp184 - 187

Jonathan M. Levenson & J. David Sweatt

doi:10.1038/ncb0304-184b

New studies indicate that an Aplysia californica variant of the translational regulator CPEB exhibits prion-like properties, enabling the protein to establish a stable, self-perpetuating and synapse-specific enhancement of neurotransmission. These studies suggest that a radically new kind of signalling — an autocatalytic change in protein conformation — is involved in maintaining long-term memories.


A SNAP decision in neural cell fate p187

Donald Mcdonald

doi:10.1038/ncb0304-187


Cell of the month: A dendritic cell sensing a lymphocyte p188

Olivier Schwartz

doi:10.1038/ncb0304-188


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Technical Report

Transduction peptides: from technology to physiology pp189 - 196

Alain Joliot & Alain Prochiantz

doi:10.1038/ncb0304-189


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Articles

Minimal nuclear pore complexes define FG repeat domains essential for transport pp197 - 206

Lisa A. Strawn, Tianxiang Shen, Nataliya Shulga, David S. Goldfarb & Susan R. Wente

doi:10.1038/ncb1097

See also: News and Views by Timney & Rout


Polypyrimidine tract-binding protein promotes insulin secretory granule biogenesis pp207 - 214

Klaus-Peter Knoch, Hendrik Bergert, Barbara Borgonovo, Hans-Detlev Saeger, Anke Altkrüger, Paul Verkade & Michele Solimena

doi:10.1038/ncb1099


MKK7 couples stress signalling to G2/M cell-cycle progression and cellular senescence pp215 - 226

Teiji Wada, Nicholas Joza, Hai-ying M. Cheng, Takehiko Sasaki, Ivona Kozieradzki, Kurt Bachmaier, Toshiaki Katada, Martin Schreiber, Erwin F. Wagner, Hiroshi Nishina & Josef M. Penninger

doi:10.1038/ncb1098


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Letters


Correcting improper chromosome–spindle attachments during cell division pp232 - 237

Michael A. Lampson, Kishore Renduchitala, Alexey Khodjakov & Tarun M. Kapoor

doi:10.1038/ncb1102

See also: News and Views by Biggins



Interactions of GGA3 with the ubiquitin sorting machinery pp244 - 251

Rosa Puertollano & Juan S. Bonifacino

doi:10.1038/ncb1106

See also: News and Views by Babst


GGA proteins bind ubiquitin to facilitate sorting at the trans-Golgi network pp252 - 259

Patricia M. Scott, Patricia S. Bilodeau, Olga Zhdankina, Stanley C. Winistorfer, Melissa J. Hauglund, Margaret M. Allaman, William R. Kearney, Andrew D. Robertson, Annette L. Boman & Robert C. Piper

doi:10.1038/ncb1107

See also: News and Views by Babst


Non-proteolytic inactivation of geminin requires CDK-dependent ubiquitination pp260 - 267

Anatoliy Li & J. Julian Blow

doi:10.1038/ncb1100


Abl-dependent tyrosine phosphorylation of Sos-1 mediates growth-factor-induced Rac activation pp268 - 274

Patrizia Sini, Angela Cannas, Anthony J. Koleske, Pier Paolo Di Fiore & Giorgio Scita

doi:10.1038/ncb1096


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