Table of contents


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Editorial

Molecule pages live p1

doi:10.1038/ncb0104-1


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Perspective

Controlling Abl: auto-inhibition and co-inhibition? pp3 - 7

Jean Y. J. Wang

doi:10.1038/ncb0104-3


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Book Review

Motoring down the molecular highway p8

James R Sellers reviews Molecular motors by Manfred Schliwa

doi:10.1038/ncb0104-8


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News and Views

Sweet control of cell migration, cytokinesis and organogenesis pp9 - 11

Benjamin Podbilewicz

doi:10.1038/ncb0104-9

Why are proteins glycosylated? On the basis of new studies, I propose two models to clarify the specific functions of glycosylation in worms. The first explains how intra- and inter-cellular trafficking of an N-glycosylated disintegrin-metalloprotease guides somatic gonadal cells through their migratory route, determining the shape of an organ. The second explains how rigid coats of secreted chondroitin proteoglycans bend membranes to drive cytokinesis and epithelial invagination.


Formin' adherens junctions pp12 - 14

Sally Zigmond

doi:10.1038/ncb0104-12

Epithelial cells are joined by adherens junctions, which consist of homotypic interactions between extracellular domains of E-cadherins. Inside the cell, the tails of E-cadherins bind actin cables through beta-catenin and alpha-catenin. Formin1 is critically important for the formation of actin cables; it binds directly to alpha-catenin and can even bypass the need for alpha-catenin when targeted to beta-catenin.


The centrosome yields its secrets p14

Tim Stearns

doi:10.1038/ncb0104-14


Lipid pickup and delivery pp15 - 16

Howard Riezman & Gerrit van Meer

doi:10.1038/ncb0104-15

Intracellular organelles have specific lipid and protein compositions. Although great progress has been made concerning the mechanisms that govern the transport of proteins between organelles, little information is available about the mechanisms of inter-organellar lipid transport. New work identifies a protein that specifically transports ceramide, a precursor of sphingolipid synthesis, between intracellular organelles.


No glial death with NO pp17 - 18

Solomon H. Snyder & Sangwon Kim

doi:10.1038/ncb0104-17

Nitric oxide (NO) is one of biology's most multi-faceted molecules. In some cases, NO seems to have contradictory outcomes; for example, it has been reported to be both neurotoxic and neuroprotective. Recent work now address this conundrum, at least in neurons and glia, and describes an elegant molecular cascade whereby NO provides cytoprotection in astrocytes, but not in neurons.


Cell of the month: A human neurosphere attaching to a coated surface p19

Riccardo Cassiani Ingoni

doi:10.1038/ncb0104-19


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Article

Mammalian formin-1 participates in adherens junctions and polymerization of linear actin cables pp21 - 30

Agnieszka Kobielak, H. Amalia Pasolli & Elaine Fuchs

doi:10.1038/ncb1075

See also: News and Views by Zigmond


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Letters

An NDPase links ADAM protease glycosylation with organ morphogenesis in C. elegans pp31 - 37

Kiyoji Nishiwaki, Yukihiko Kubota, Yuko Chigira, Samir Kumar Roy, Maho Suzuki, Mara Schvarzstein, Yoshifumi Jigami, Naoki Hisamoto & Kunihiro Matsumoto

doi:10.1038/ncb1079

See also: News and Views by Podbilewicz


The transmembrane protein XFLRT3 forms a complex with FGF receptors and promotes FGF signalling pp38 - 44

Ralph T. Böttcher, Nicolas Pollet, Hajo Delius & Christof Niehrs

doi:10.1038/ncb1082



Mutant Frizzled 4 associated with vitreoretinopathy traps wild-type Frizzled in the endoplasmic reticulum by oligomerization pp52 - 58

Ajamete Kaykas, Julia Yang-Snyder, Madeleine Héroux, Kavita V. Shah, Michel Bouvier & Randall T. Moon

doi:10.1038/ncb1081



Polycomb CBX7 has a unifying role in cellular lifespan pp67 - 72

Jesús Gil, David Bernard, Dolores Martínez & David Beach

doi:10.1038/ncb1077


Histone H3 lysine 4 methylation patterns in higher eukaryotic genes pp73 - 77

Robert Schneider, Andrew J. Bannister, Fiona A. Myers, Alan W. Thorne, Colyn Crane-Robinson & Tony Kouzarides

doi:10.1038/ncb1076


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