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Leaving the boundary behind to make a new branch

Nicolas et al. explore the mechanisms regulating CUP-SHAPED COTYLEDON expression in axillary meristem initiation. https://doi.org/10.1093/plcell/koac269 Antoine Nicolasa,b and Patrick Laufsa a Université Paris-Saclay, INRAE, AgroParisTech, Institut Jean-Pierre Bourgin (IJPB), 78000, Versailles,…

Concentration-dependent transcriptional switching through a collective action of cis-elements (Sci. Adv.)

One of the well-known molecular pathways that regulate plant development is the one formed by the homeobox transcription factor WUSCHEL (WUS) and the secreted peptide CLAVATA 3 (CLV3). In the shoot apical meristem (SAM), WUS expression is constrained to the organizing center where it maintains the stem…