A CLE-WOX signalling module regulates root meristem maintenance and vascular tissue development in rice

CLAVATA3 (CLV3)/ENDOSPERM SURROUNDING REGION (ESR)-related (CLE) proteins belong to a small peptide family conserved in plants. Recent studies in Arabidopsis and rice have revealed a key role for CLEs in mediating cell-cell communication and stem cell maintenance during plant development, but how CL...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 64(2013), 17 vom: 01. Dez., Seite 5359-69
1. Verfasser: Chu, Huangwei (VerfasserIn)
Weitere Verfasser: Liang, Wanqi, Li, Juan, Hong, Fan, Wu, Yunfei, Wang, Likai, Wang, Juan, Wu, Ping, Liu, Chunming, Zhang, Qifa, Xu, Jian, Zhang, Dabing
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't FCP2 QHB rice root meristem signalling vascular tissue identity. Arabidopsis Proteins Homeodomain Proteins mehr... Peptides Plant Proteins WUSCHEL protein, Arabidopsis
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520 |a CLAVATA3 (CLV3)/ENDOSPERM SURROUNDING REGION (ESR)-related (CLE) proteins belong to a small peptide family conserved in plants. Recent studies in Arabidopsis and rice have revealed a key role for CLEs in mediating cell-cell communication and stem cell maintenance during plant development, but how CLE signalling controls root development in the rice remains largely unknown. Here it is shown that exogenous application of a synthetic dodeca-amino acid peptide corresponding to the CLE motif of the rice FON2-LIKE CLE PROTEIN2 (FCP2p) protein or overexpression of FCP2 terminates root apical meristem (RAM) activity and impairs late metaxylem formation. FCP2p treatment suppresses the expression of the rice QUIESCENT-CENTER-SPECIFIC HOMEOBOX (QHB) gene, a putative orthologue of Arabidopsis WUSCHEL (WUS)-RELATED HOMEOBOX 5 (WOX5) gene, in both quiescent centre and late metaxylem cells; whereas inducible overexpression of QHB reduces the sensitivity of rice to FCP2p treatment. These results together suggest that in rice RAM maintenance and late metaxylem development are probably controlled by the mutual regulation between FCP2 and QHB. Moreover, a cross-species peptide treatment experiment in Arabidopsis implies that FCP2 has both evolutionarily conserved and species-specific roles in root development 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a FCP2 
650 4 |a QHB 
650 4 |a rice 
650 4 |a root meristem 
650 4 |a signalling 
650 4 |a vascular tissue identity. 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Homeodomain Proteins  |2 NLM 
650 7 |a Peptides  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a WUSCHEL protein, Arabidopsis  |2 NLM 
700 1 |a Liang, Wanqi  |e verfasserin  |4 aut 
700 1 |a Li, Juan  |e verfasserin  |4 aut 
700 1 |a Hong, Fan  |e verfasserin  |4 aut 
700 1 |a Wu, Yunfei  |e verfasserin  |4 aut 
700 1 |a Wang, Likai  |e verfasserin  |4 aut 
700 1 |a Wang, Juan  |e verfasserin  |4 aut 
700 1 |a Wu, Ping  |e verfasserin  |4 aut 
700 1 |a Liu, Chunming  |e verfasserin  |4 aut 
700 1 |a Zhang, Qifa  |e verfasserin  |4 aut 
700 1 |a Xu, Jian  |e verfasserin  |4 aut 
700 1 |a Zhang, Dabing  |e verfasserin  |4 aut 
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