Document Detail

Regulation of vascular development by CLE peptide-receptor systems.
MedLine Citation:
PMID:  20074136     Owner:  NLM     Status:  MEDLINE    
Cell division and differentiation of stem cells are controlled by non-cell-autonomous signals in higher organisms. The plant vascular meristem is a stem-cell tissue comprising procambial cells that produce xylem cells on one side and phloem cells on the other side. Recent studies have revealed that TDIF (tracheary element differentiation inhibitory factor)/CLE41/CLE44 peptide signal controls the procambial cell fate in a non-cell-autonomous manner. TDIF produced in and secreted from phloem cells is perceived by TDR/PXY, a leucine-rich repeat receptor kinase located in the plasma membrane of procambial cells. This signal suppresses xylem cell differentiation of procambial cells and promotes their proliferation. In addition to TDIF, some other CLE peptides play roles in vascular development. Here, we summarize recent advances in CLE signaling governing vascular development.
Yuki Hirakawa; Yuki Kondo; Hiroo Fukuda
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Journal of integrative plant biology     Volume:  52     ISSN:  1744-7909     ISO Abbreviation:  J Integr Plant Biol     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2010-01-15     Completed Date:  2010-03-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101250502     Medline TA:  J Integr Plant Biol     Country:  China (Republic : 1949- )    
Other Details:
Languages:  eng     Pagination:  8-16     Citation Subset:  IM    
Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo 113-0033, Japan.
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MeSH Terms
Peptides / metabolism*
Phloem / metabolism*
Receptors, Peptide / metabolism*
Signal Transduction
Xylem / metabolism*
Reg. No./Substance:
0/Peptides; 0/Receptors, Peptide

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