Understanding the gravitropic signal transduction pathway through the analysis of new Arabidopsis mutants.

Abstract excerpt

The gravitropic response of plants can be divided into three steps: detection, transduction, and asymmetric growth. Of these the second is that on which we have the smallest knowledge. Even though we have in fact some support for a redistribution of auxin as the agent of the graviresponse (Cholodny-Went hypothesis), we still lack of a precise knowledge about the many steps which precede and follow auxin...

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