title: CLE peptides in vascular development.
abstract: The plant vascular system consists of two conductive tissues, phloem and xylem. The vascular meristem, namely the (pro-)cambium, is a stem-cell tissue that gives rise to both xylem and phloem. Recent studies have revealed that CLAVATA3/Embryo Surrounding Region-related (CLE) peptides function in establishing the vascular system through interaction with phytohormones. In particular, TDIF/CLE41/CLE44, phloem-derived CLE peptides, promote the proliferation of vascular cambium cells and prevent them from differentiating into xylem by regulating WOX4 expression through the TDR/PXY receptor. In this review article, we outline recent advances on how CLE peptides function in vascular development in concert with phytohormones through mediating cell-cell communication. The perspective of CLE peptide signaling in vascular development is also discussed.
authors.affiliation: Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an 710062, China.
authors.forename: Yi
authors.initials: Y
authors.lastname: Qiang
authors.forename: Jinbin
authors.initials: J
authors.lastname: Wu
authors.forename: Huibin
authors.initials: H
authors.lastname: Han
authors.forename: Guodong
authors.initials: G
authors.lastname: Wang
mesh_terms: D017360:Arabidopsis / Q000166:cytology / Q000254:growth & development / Q000378:metabolism; D029681:Arabidopsis Proteins / Q000378:metabolism; D058506:Cambium / Q000378:metabolism; D018506:Gene Expression Regulation, Plant; D018519:Meristem / Q000166:cytology / Q000254:growth & development / Q000378:metabolism; D010455:Peptides / Q000378:metabolism*; D052585:Phloem / Q000166:cytology / Q000254:growth & development* / Q000378:metabolism*; D052584:Xylem / Q000166:cytology / Q000254:growth & development* / Q000378:metabolism*
chemical_list: D029681:Arabidopsis Proteins; D010455:Peptides