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Hormonal Tug-of-war Helps Plant Roots Navigate Their Journey Through the Soil

News   Sep 14, 2017 | Original story from John Innes Centre

 
Hormonal Tug-of-war Helps Plant Roots Navigate Their Journey Through the Soil

Image Caption: The balanced cross-talk between auxin and cytokinin positions the auxin minimum (indicated by *). This minimum determines the size of a root's meristem by triggering cells to transit from division to elongation. When cytokinin effects either dominate (left panel) or are reduced (right panel), the auxin minimum is repositioned (*), causing the meristem to either shrink (left panel) or extend (right panel). The hormonal tug-of-war underlying this repositioning takes place through modifications in auxin transport and degradation. Credit: PNAS doi: 10.1073/pnas.1705833114

 
 
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