title: Hormone crosstalk: directing the flow.
abstract: Asymmetric distribution of the hormone auxin organizes plant cell fate and drives specification of new organs. Such asymmetries are regulated by polarized auxin transporters called PINs. But what controls PIN polarity? A new study shows that another hormone, cytokinin, degrades PINs on specific membranes to direct auxin flux.
authors.affiliation: Centre for Plant Integrative Biology, University of Nottingham, LE12 5RD, UK. Electronic address: Anthony.Bishopp@nottingham.ac.uk.
authors.forename: Anthony
authors.initials: A
authors.lastname: Bishopp
authors.affiliation: Centre for Plant Integrative Biology, University of Nottingham, LE12 5RD, UK.
authors.forename: Malcolm J
authors.initials: MJ
authors.lastname: Bennett
mesh_terms: D017360:Arabidopsis / Q000378:metabolism*; D029681:Arabidopsis Proteins / Q000378:metabolism*; D003583:Cytokinins / Q000378:metabolism*; D007210:Indoleacetic Acids / Q000378:metabolism*; D026901:Membrane Transport Proteins / Q000378:metabolism*; D018517:Plant Roots / Q000254:growth & development*
chemical_list: D029681:Arabidopsis Proteins; D003583:Cytokinins; D007210:Indoleacetic Acids; D026901:Membrane Transport Proteins; C116363:PIN1 protein, Arabidopsis