Abstract

A detailed depiction of the 'integrin adhesome', consisting of a complex network of 156 components linked together and modified by 690 interactions is presented. Different views of the network reveal several functional 'subnets' that are involved in switching on or off many of the molecular interactions within the network, consequently affecting cell adhesion, migration and cytoskeletal organization. Examination of the adhesome network motifs reveals a relatively small number of key motifs, dominated by three-component complexes in which a scaffolding molecule recruits both a signalling molecule and its downstream target. We discuss the role of the different network modules in regulating the structural and signalling functions of cell–matrix adhesions.

1. Ronen Zaidel-Bar, Shalev Itzkovitz and Benjamin Geiger are at the Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, 76100, Israel. e-mail: benny.geiger@weizmann.ac.il
2. Avi Ma'ayan and Ravi Iyengar are at the Department of Pharmacology & Biological Chemistry, Mount Sinai School of Medicine, New York, NY 10029, USA.

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