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. 2021 Oct 25;31(20):R1392-R1395.
doi: 10.1016/j.cub.2021.09.007.

Plant signaling: Interplay of brassinosteroids and auxin in root meristems

Wei Xuan  1 , Tom Beeckman  2
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Plant signaling: Interplay of brassinosteroids and auxin in root meristems

Wei Xuan et al. Curr Biol. .
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Abstract

The plant hormones brassinosteroids (BRs) and auxin interact to regulate root meristem size. A new study reveals dual and opposing roles for BRs in auxin biosynthesis and signaling output in the Arabidopsis root epidermis, demonstrating that epidermis-derived BR signaling is required for root meristem maintenance through its effect on auxin signaling.

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