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Review
. 2007 Oct;10(5):490-4.
doi: 10.1016/j.pbi.2007.07.005. Epub 2007 Aug 20.

ROP/RAC GTPase signaling

Zhenbiao Yang  1 , Ying Fu
Affiliations
Review

ROP/RAC GTPase signaling

Zhenbiao Yang et al. Curr Opin Plant Biol. 2007 Oct.

Abstract

ROP/RAC GTPases are versatile signaling molecules in plants. Recent studies of ROP/RAC regulators and effectors have generated new insights into the molecular basis of their functional versatility. Significant progress has also been made in our understanding of the mechanism for the localization of ROP/RAC signaling to specific domains of the plasma membrane.

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Figures

Figure 1
Figure 1
ROP/RAC signaling coordinates multiple downstream pathways. (A) ROP2 promotes lobe outgrowth of pavement cells by coordinately regulating several downstream pathways required for localized exocytosis. (B) OsRac1 activates defense responses coordinately by activating lignin biosynthesis and other pathways.
See this image and copyright information in PMC

References

    1. Gu Y, Wang Z, Yang Z. ROP/RAC GTPase: an old new master regulator for plant signaling. Curr Opin Plant Biol. 2004;7:527–536. - PubMed
    1. Yang Z. Small GTPases: versatile signaling switches in plants. Plant Cell. 2002;14(Suppl):S375–S388. - PMC - PubMed
    1. Brembu T, Winge P, Bones AM, Yang Z. A RHOse by any other name: a comparative analysis of animal and plant Rho GTPases. Cell Res. 2006;16:435–445. - PubMed
    1. Nibau C, Wu HM, Cheung AY. RAC/ROP GTPases: ‘hubs’ for signal integration and diversification in plants. Trends Plant Sci. 2006;11:309–315. - PubMed
    1. Shichrur K, Yalovsky S. Turning ON the switch — RhoGEFs in plants. Trends Plant Sci. 2006;11:57–59. - PubMed

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