CLE peptide signaling in the Arabidopsis root tip
CLAVATA3/EMBRYO SURROUNDING REGION (CLE) signaling pathways operate in both the shoot and root apices, but with distinct regulatory features and functional dynamics.
In the root tip, CLE peptides contribute to the 3D tissue architecture and spatial organization of tissues.
Both positive and negative CLE signals, mediated by different receptors, act in coordination to regulate root development.
Diverse and fine-tuned regulatory mechanisms control CLE signaling activity across multiple developmental contexts in the root.
The evolution of complex CLE signaling networks in the root may be necessitated by the structural and functional intricacies of root systems.
https://www.cell.com/trends/plant-science/fulltext/S1360-1385(25)00304-8
