Brassinosteroid perception in the epidermis controls root meristem size

But a model is just a model. Often evidence in favor of a particular model is indirect and could support multiple models. Describing the components of the signaling cascade that relays brassinolide’s message into a cell’s nucleus, postdoctoral researcher and lead author of the study Grégory Vert, now at the Centre national de la recherche scientifique (CNRS) in Montpellier, France, said, “All the players are old acquaintances and we knew from genetic studies that they were involved in this pathway. But when we revisited the old crew it became clear that we had to revise the original model.”

  • Brassinosteroids (BRs) are essential plant hormones regulating various developmental processes.
  • BRs show structures similar to animal steroidal hormones.
  • Brassinolide is the final product of the BR biosynthetic pathway and the most active BR.
  • BRs are perceived by transmembrane receptor complexes including the receptor BRI1 and co‐receptor BAK1.
  • BRs cannot be transported in a long distant manner.
  • BES1 and BZR1 are the critical downstream transcription factors regulating the expression of thousands of BR response genes.

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Brassinosteroid perception in the epidermis controls root meristem size

brassinosteroid perception in the epidermis controls root meristem size

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brassinosteroid perception in the epidermis controls root meristem sizebrassinosteroid perception in the epidermis controls root meristem sizebrassinosteroid perception in the epidermis controls root meristem sizebrassinosteroid perception in the epidermis controls root meristem sizebrassinosteroid perception in the epidermis controls root meristem size

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