Connections in the cambium, receptors in the ring.

Kristine S Bagdassarian, Catherine M Brown, Ewan T Jones, Peter Etchells

Journal: Current opinion in plant biology 2021;57():96-103

PMID: 32866742

Full Text on Elsevier Science View on PubMed

Abstract

In plants, pluripotent cells in meristems divide to provide cells for the formation of postembryonic tissues. The cambium is the meristem from which the vascular tissue is derived and is the main driver for secondary (radial) growth in dicots. Xylem and phloem are specified on opposing sides of the cambium, and tightly regulated cell divisions ensure their spatial separation. Peptide ligands, phytohormones, and their receptors are central to maintaining this patterning and regulating proliferation. Here, we describe recent advances in our understanding of how these signals are integrated to control vascular development and secondary growth.

Address: Department of Biosciences, Durham University, Durham, DH1 3LE, United Kingdom.; Department of Biosciences, Durham University, Durham, DH1 3LE, United Kingdom. Electronic address: [email protected].

DOI: 10.1016/j.pbi.2020.07.001

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MeSH Terms: Cambium, Meristem, Phloem, Plant Growth Regulators, Xylem