A plant lipocalin promotes retinal-mediated oscillatory lateral root initiation
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- Alexandra J. Dickinson
- Department of Biology, Duke University, Durham, NC, USA.
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- Jingyuan Zhang
- Department of Biology, Duke University, Durham, NC, USA.
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- Michael Luciano
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA.
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- Guy Wachsman
- Department of Biology, Duke University, Durham, NC, USA.
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- Evan Sandoval
- Section of Cell and Developmental Biology, University of California San Diego, La Jolla, CA, USA.
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- Martin Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA.
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- José R. Dinneny
- Department of Plant Biology, Carnegie Institute of Science, Stanford, CA, USA.
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- 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
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- Science
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Science 373 (6562), 1532-1536, 2021-09-24
American Association for the Advancement of Science (AAAS)