Roles and activities of Aux/IAA proteins in Arabidopsis.
Auxin induces various distinct developmental responses, partly by regulating gene expression. The Aux/IAA genes are a large gene family, many of which are induced by auxin. Work on Arabidopsis Aux/IAA genes has begun to reveal that they can regulate development and auxin-induced gene expression. Furthermore, auxin responses require Aux/IAA protein turnover. Finally, recent evidence suggests that Aux/IAA proteins can mediate light responses. Work in the near future should test whether Aux/IAA proteins are antennae that connect auxin and light signals to endogenous developmental responses.
Reed
J W
JW
Dept Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3280, USA. jreed@email.unc.edu
D017360:Arabidopsis / Q000737:chemistry / Q000235:genetics / Q000502:physiology*; D029681:Arabidopsis Proteins; D004268:DNA-Binding Proteins / Q000235:genetics / Q000378:metabolism; D018506:Gene Expression Regulation, Plant; D007210:Indoleacetic Acids / Q000737:chemistry / Q000235:genetics / Q000378:metabolism / Q000502:physiology*; D008027:Light; D020935:MAP Kinase Signaling System; D005810:Multigene Family; D009154:Mutation; D009687:Nuclear Proteins / Q000235:genetics / Q000502:physiology; D010641:Phenotype; D010940:Plant Proteins / Q000235:genetics / Q000502:physiology*; D014157:Transcription Factors / Q000235:genetics / Q000378:metabolism
C503841:ARF1 protein, Arabidopsis; C110728:AXR3 protein, Arabidopsis; D029681:Arabidopsis Proteins; D004268:DNA-Binding Proteins; D007210:Indoleacetic Acids; D009687:Nuclear Proteins; D010940:Plant Proteins; D014157:Transcription Factors; C030737:indoleacetic acid