Rho and Rac Take Center Stage

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Rho and Rac Take Center Stage Keith Burridge, Krister Wennerberg  Cell  Volume 116, Issue 2, Pages 167-179 (January 2004) DOI: 10.1016/S0092-8674(04)00003-0

Figure 1 The Rho Family of Proteins A dendrogram representing the relationships between the 20 Rho family members. The Rho domains of the family members were aligned and a dendrogram was calculated by the Bonsai application (http://calliope.gs.washington.edu/software/). The five subfamilies, Rho-like, Rnd, Cdc42-like, Rac-like, and RhoBTB, are highlighted by circles. Cell 2004 116, 167-179DOI: (10.1016/S0092-8674(04)00003-0)

Figure 2 Signaling from Rho to the Cytoskeleton The pathways from Rho to the formation of stress fibers are described in the text. Direct activating signals are presented by solid arrows. Inhibitory signals are depicted as red bars. Double-lined arrows and bars represent the net result of a signaling pathway. Abbreviations used: LIMK, LIM kinase; MLC-P, phosphorylated myosin II regulatory light chain; MLC phosphatase, myosin light chain phosphatase. Cell 2004 116, 167-179DOI: (10.1016/S0092-8674(04)00003-0)

Figure 3 Signaling from Rac to the Cytoskeleton The pathways leading from Rac activation to the formation of lamellipodia and membrane ruffles, and the loss of stress fibers, are described in the text. Direct activating signals are presented by solid arrows. Inhibitory signals are depicted as red bars. Double-lined arrows and bars represent the net result of a signaling pathway. Abbreviations used: PAK, p21-activated kinase; LIMK, LIM kinase; MLCK, myosin light chain kinase. Cell 2004 116, 167-179DOI: (10.1016/S0092-8674(04)00003-0)

Figure 4 Regulation of Rac and Rho by Soluble Factors Depiction of signaling pathways from serum components leading to regulation of Rho and Rac, as decribed in the text. Abbreviations: GF, growth factor such as PDGF, EGF, or insulin; RTK, receptor tyrosine kinase; PLC, phospholipase C; PKC, protein kinase C; PI 3-K, phosphatidylinositol 3-kinase. Cell 2004 116, 167-179DOI: (10.1016/S0092-8674(04)00003-0)

Figure 5 Crosstalk between Rho GTPases Activating signals are shown as black arrows, inactivating as red. Direct signals are drawn as solid lines, whereas signals with unknown signaling intermediates are drawn as dashed lines. Abbreviations used: O2•−, Superoxide anion; LMW-PTP, low molecular weight protein tyrosine phosphatase. Cell 2004 116, 167-179DOI: (10.1016/S0092-8674(04)00003-0)

Figure 6 Crosstalk between the Rho Family and Other Ras Superfamily GTPases Signals between Rho GTPases and other small GTPases are depicted, as well as signaling intermediates where these are known. Activating signals are shown as black arrows, inhibitory signals as red bars, direct signals as solid lines, and indirect as dashed lines. Abbreviations used: RalGDS, Ral guanine nucleotide dissociation stimulator; RalBP1, Ral-binding protein 1. Cell 2004 116, 167-179DOI: (10.1016/S0092-8674(04)00003-0)