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Developmental biology

Roots respond to an inner calling

In plant roots, patterning of two types of water-conducting xylem tissue is determined by a signalling system that involves the reciprocal dance of a mobile transcription factor and mobile microRNAs.

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Figure 1: Reciprocal signalling across a tissue boundary.

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Scheres, B. Roots respond to an inner calling. Nature 465, 299–300 (2010). https://doi.org/10.1038/465299a

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