Document Detail

Genetic approach towards the identification of auxin-cytokinin crosstalk components involved in root development.
MedLine Citation:
PMID:  22527389     Owner:  NLM     Status:  MEDLINE    
Phytohormones are important plant growth regulators that control many developmental processes, such as cell division, cell differentiation, organogenesis and morphogenesis. They regulate a multitude of apparently unrelated physiological processes, often with overlapping roles, and they mutually modulate their effects. These features imply important synergistic and antagonistic interactions between the various plant hormones. Auxin and cytokinin are central hormones involved in the regulation of plant growth and development, including processes determining root architecture, such as root pole establishment during early embryogenesis, root meristem maintenance and lateral root organogenesis. Thus, to control root development both pathways put special demands on the mechanisms that balance their activities and mediate their interactions. Here, we summarize recent knowledge on the role of auxin and cytokinin in the regulation of root architecture with special focus on lateral root organogenesis, discuss the latest findings on the molecular mechanisms of their interactions, and present forward genetic screen as a tool to identify novel molecular components of the auxin and cytokinin crosstalk.
Agnieszka Bielach; Jérôme Duclercq; Peter Marhavý; Eva Benková
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Philosophical transactions of the Royal Society of London. Series B, Biological sciences     Volume:  367     ISSN:  1471-2970     ISO Abbreviation:  Philos. Trans. R. Soc. Lond., B, Biol. Sci.     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-04-24     Completed Date:  2012-08-06     Revised Date:  2013-06-25    
Medline Journal Info:
Nlm Unique ID:  7503623     Medline TA:  Philos Trans R Soc Lond B Biol Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  1469-78     Citation Subset:  IM    
Department of Plant Systems Biology, VIB, Technologiepark 927, 9052 Ghent, Belgium.
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MeSH Terms
Arabidopsis / drug effects,  genetics*,  growth & development,  metabolism
Arabidopsis Proteins / genetics,  metabolism
Cytokinins / metabolism*,  pharmacology
Ethyl Methanesulfonate / pharmacology
Gene Expression Regulation, Plant*
Genes, Plant
Indoleacetic Acids / metabolism*,  pharmacology
Membrane Transport Proteins / genetics,  metabolism
Meristem / drug effects,  growth & development,  metabolism
Plant Growth Regulators / metabolism
Plant Roots / drug effects,  growth & development*,  metabolism
Plants, Genetically Modified / drug effects,  genetics,  growth & development,  metabolism
Seedling / drug effects,  growth & development,  metabolism
Signal Transduction
Reg. No./Substance:
0/Arabidopsis Proteins; 0/Cytokinins; 0/Indoleacetic Acids; 0/Membrane Transport Proteins; 0/PIN1 protein, Arabidopsis; 0/Plant Growth Regulators; 62-50-0/Ethyl Methanesulfonate

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