A plant lipocalin promotes retinal-mediated oscillatory lateral root initiation

  • Alexandra J. Dickinson
    Department of Biology, Duke University, Durham, NC, USA.
  • Jingyuan Zhang
    Department of Biology, Duke University, Durham, NC, USA.
  • Michael Luciano
    Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA.
  • Guy Wachsman
    Department of Biology, Duke University, Durham, NC, USA.
  • Evan Sandoval
    Section of Cell and Developmental Biology, University of California San Diego, La Jolla, CA, USA.
  • Martin Schnermann
    Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA.
  • José R. Dinneny
    Department of Plant Biology, Carnegie Institute of Science, Stanford, CA, USA.
  • Philip N. Benfey
    Department of Biology, Duke University, Durham, NC, USA.

抄録

<jats:title>Building a wider root network</jats:title> <jats:p> As roots grow through the soil, lateral branches develop to broaden the reach toward water and nutrients. Just where on the main root these lateral roots will develop is organized by an oscillatory root clock. Dickinson <jats:italic>et al</jats:italic> . have now identified an initiating signal in the form of the signaling molecule retinal. Oscillatory expression of a retinal-binding protein, a temperature-sensitive lipocalin, defines sites where retinal signals can initiate growth. —PJH </jats:p>

収録刊行物

  • Science

    Science 373 (6562), 1532-1536, 2021-09-24

    American Association for the Advancement of Science (AAAS)

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