Advance online publication


The latest research papers, published online ahead of print. These online versions are definitive and may be cited using the digital object identifier (DOI).

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Articles

Arginine methylation regulates the p53 response

Martin Jansson, Stephen T. Durant, Er-Chieh Cho, Sharon Sheahan, Mariola Edelmann, Benedikt Kessler & Nicholas B. La Thangue

Published online: 16 November 2008; | doi:10.1038/ncb1802

The tumour suppressor p53 is subject to complex regulation and arginine methylation is now shown to provide an additional level of control. The protein arginine methyltransferase (PRMT) 5 is recruited by Strap to methylate p53 in response to DNA damage, governing the p53 response.


Fluctuations of intracellular forces during cell protrusion

Lin Ji, James Lim & Gaudenz Danuser

Published online: 16 November 2008; | doi:10.1038/ncb1797

Modelling intracellular force variations at cell protrusions suggests that cell adhesion is regulated at the interface between vinculin and integrin and reveals a putative feedback between increases in tension and F-actin assembly.


The APC/C maintains the spindle assembly checkpoint by targeting Cdc20 for destruction

Jakob Nilsson, Mona Yekezare, Jeremy Minshull & Jonathon Pines

Published online: 09 November 2008; | doi:10.1038/ncb1799

Ubiquitin-dependent degradation of Cdc20 by the APC/C ligase is a conserved mechanism essential for maintaining the spindle assembly checkpoint activated by unattached chromosomes.


Nature and anisotropy of cortical forces orienting Drosophila tissue morphogenesis

Matteo Rauzi, Pascale Verant, Thomas Lecuit & Pierre-François Lenne

Published online: 02 November 2008; | doi:10.1038/ncb1798

Quantitative analysis and mathematical modelling show that cortical tension anisotropy at apical cell junctions drives cell neighbour exchanges that are responsible for elongation of Drosophila embryos. This anisotropy depends on myosin II activity.


Transient receptor potential M3 channels are ionotropic steroid receptors in pancreatic beta cells

Thomas F.J. Wagner, Sabine Loch, Sachar Lambert, Isabelle Straub, Stefanie Mannebach, Ilka Mathar, Martina Düfer, Annette Lis, Veit Flockerzi, Stephan E. Philipp & Johannes Oberwinkler

Published online: 02 November 2008; | doi:10.1038/ncb1801

In an unanticipated cross-talk between the steroid and insulin endocrine systems, the neuroactive steroid pregnenolone sulphate is found to activate the TRPM3 channel, leading to enhanced insulin secretion from pancreatic islets.


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Letters

X-linked and cellular IAPs modulate the stability of C-RAF kinase and cell motility

Taner Dogan, Gregory S. Harms, Mirko Hekman, Christiaan Karreman, Tripat Kaur Oberoi, Emad S. Alnemri, Ulf R. Rapp & Krishnaraj Rajalingam

Published online: 16 November 2008; | doi:10.1038/ncb1804

The anti-apoptotic regulators XIAP and c-IAPs promote turnover of the cRAF kinase to control cell migration. XIAP binding facilitates ubiquitylation of cRAF through the ubiquitin ligase CHIP.


Regulation of the Drosophila apoptosome through feedback inhibition

Peter J. Shapiro, Hans H. Hsu, Heekyung Jung, Edith S. Robbins & Hyung Don Ryoo

Published online: 16 November 2008; | doi:10.1038/ncb1803

The apoptotic inhibitor IAP1 regulates a feedback loop between the caspase Dronc1 and its apoptosome adaptor Apaf1 to maintain low caspase activity in cells that are not destined to die.


Glioblastoma microvesicles transport RNA and proteins that promote tumour growth and provide diagnostic biomarkers

Johan Skog, Tom Würdinger, Sjoerd van Rijn, Dimphna H. Meijer, Laura Gainche, William T. Curry, Jr., Bob S. Carter, Anna M. Krichevsky & Xandra O. Breakefield

Published online: 16 November 2008; | doi:10.1038/ncb1800

Human glioblastoma cells release microvesicles containing a diverse set of proteins, miRNAs and mRNAs, which can be taken up by normal host cells that translate the mRNA. Glioma-derived microvesicles carrying the specific tumour markers EGFRvIII and miRNA-21 promote cell proliferation and may serve as a diagnostic tool.


An H+ P-ATPase on the tonoplast determines vacuolar pH and flower colour

Walter Verweij, Cornelis Spelt, Gian-Pietro Di Sansebastiano, Joop Vermeer, Lara Reale, Francesco Ferranti, Ronald Koes & Francesca Quattrocchio

Published online: 09 November 2008; | doi:10.1038/ncb1805

P-ATPases in plants are typically thought to act at the plasma membrane. In contrast, PH5, a P-type H+ ATPase functions within the vacuolar membrane to control acidification during flower coloration.


Until print versions of AOP papers are published, they should be cited in the style "Author(s) Nature Cell Biology advance online publication, day month year (doi:10.1038/ncbXXXXX)". Once the print version (identical to the AOP) is published, it should be cited as follows: "Author(s) Nature Cell Biology volume, page (year); advance online publication, (doi:10.1038/ncbXXXXX)".

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