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Arabidopsis Class I and Class II TCP Transcription Factors Regulate Jasmonic Acid Metabolism and Leaf Development Antagonistically

Plant physiology (Bethesda), 2012-08, Vol.159 (4), p.1511-1523 [Peer Reviewed Journal]

2012 American Society of Plant Biologists ;2015 INIST-CNRS ;Wageningen University & Research ;ISSN: 0032-0889 ;ISSN: 1532-2548 ;EISSN: 1532-2548 ;DOI: 10.1104/pp.112.200303 ;PMID: 22718775 ;CODEN: PPHYA5

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Title:
Arabidopsis Class I and Class II TCP Transcription Factors Regulate Jasmonic Acid Metabolism and Leaf Development Antagonistically
Author: Danisman, Selahattin ; van der Wal, Froukje ; Dhondt, Stijn ; Waites, Richard ; de Folter, Stefan ; Bimbo, Andrea ; van Dijk, Aalt-Jan ; Muino, Jose M. ; Cutri, Lucas ; Dornelas, Marcelo C. ; Angenent, Gerco C. ; Immink, Richard G.H.
Subjects: Arabidopsis - genetics ; Arabidopsis - growth & development ; Arabidopsis - metabolism ; Arabidopsis - ultrastructure ; Arabidopsis Proteins - genetics ; Arabidopsis Proteins - metabolism ; Arabidopsis thaliana ; Binding sites ; Biological and medical sciences ; Cell growth ; Cell Size - drug effects ; cell-division ; chromatin immunoprecipitation ; Cyclopentanes - metabolism ; Development ; DEVELOPMENT AND HORMONE ACTION ; dna-binding ; Fundamental and applied biological sciences. Psychology ; Gene expression regulation ; Gene Expression Regulation, Plant - drug effects ; gene-expression ; Genes ; Genetic aspects ; genome-wide identification ; Glucocorticoids - pharmacology ; Green Fluorescent Proteins - metabolism ; Jasmonates ; Leaf development ; Leaves ; methyl jasmonate ; Models, Biological ; Mutation - genetics ; Oxylipins - metabolism ; Phenotype ; Physiological aspects ; Plant Leaves - cytology ; Plant Leaves - genetics ; Plant Leaves - growth & development ; Plant Leaves - ultrastructure ; Plant physiology and development ; plant-growth ; Plants ; Promoter Regions, Genetic - genetics ; protein ; Protein Binding - drug effects ; Protein Transport - drug effects ; Seedlings ; target genes ; thaliana ; Transcription factors ; Transcription Factors - genetics ; Transcription Factors - metabolism ; Yeasts
Is Part Of: Plant physiology (Bethesda), 2012-08, Vol.159 (4), p.1511-1523
Description: TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR1 (TCP) transcription factors control developmental processes in plants. The 24 TCP transcription factors encoded in the Arabidopsis (Arabidopsis thaliana) genome are divided into two classes, class I and class II TCPs, which are proposed to act antagonistically. We performed a detailed phenotypic analysis of the class I tcp20 mutant, showing an increase in leaf pavement cell sizes in 10-d-old seedlings. Subsequently, a glucocorticoid receptor induction assay was performed, aiming to identify potential target genes of the TCP20 protein during leaf development. The LIPOXYGENASE2 (LOX2) and class I TCP9 genes were identified as TCP20 targets, and binding of TCP20 to their regulatory sequences could be confirmed by chromatin immunoprecipitation analyses. LOX2 encodes for a jasmonate biosynthesis gene, which is also targeted by class II TCP proteins that are under the control of the microRNA JAGGED AND WAVY (JAW), although in an antagonistic manner. Mutation of TCP9, the second identified TCP20 target, resulted in increased pavement cell sizes during early leaf developmental stages. Analysis of senescence in the single tcp9 and tcp20 mutants and the tcp9tcp20 double mutants showed an earlier onset of this process in comparison with wild-type control plants in the double mutant only. Both the cell size and senescence phenotypes are opposite to the known class II TCP mutant phenotype in JAW plants. Altogether, these results point to an antagonistic function of class I and class II TCP proteins in the control of leaf development via the jasmonate signaling pathway.
Publisher: Rockville, MD: American Society of Plant Biologists
Language: English
Identifier: ISSN: 0032-0889
ISSN: 1532-2548
EISSN: 1532-2548
DOI: 10.1104/pp.112.200303
PMID: 22718775
CODEN: PPHYA5
Source: MEDLINE
ProQuest Central

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Arabidopsis Class I and Class II TCP Transcription Factors Regulate Jasmonic Acid Metabolism and Leaf Development Antagonistically

2012 American Society of Plant Biologists ;2015 INIST-CNRS ;Wageningen University & Research ;ISSN: 0032-0889 ;ISSN: 1532-2548 ;EISSN: 1532-2548 ;DOI: 10.1104/pp.112.200303 ;PMID: 22718775 ;CODEN: PPHYA5

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