Comment on

• PAR-6-PAR-3 mediates Cdc42-induced Rac activation through the Rac GEFs STEF/Tiam1.

  Nishimura T, Yamaguchi T, Kato K, Yoshizawa M, Nabeshima Y, Ohno S, Hoshino M, Kaibuchi K. Nishimura T, et al. Nat Cell Biol. 2005 Mar;7(3):270-7. doi: 10.1038/ncb1227. Epub 2005 Feb 20. Nat Cell Biol. 2005. PMID: 15723051
• Par-3 controls tight junction assembly through the Rac exchange factor Tiam1.

  Chen X, Macara IG. Chen X, et al. Nat Cell Biol. 2005 Mar;7(3):262-9. doi: 10.1038/ncb1226. Epub 2005 Feb 20. Nat Cell Biol. 2005. PMID: 15723052