PHOTO-SENSITIVE LEAF ROLLING 1 encodes a polygalacturonase that modifies cell wall structure and drought tolerance in rice

PHOTO-SENSITIVE LEAF ROLLING 1 encodes a polygalacturonase that modifies cell wall structure and drought tolerance in rice

© 2020 The Authors New Phytologist © 2020 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 229(2021), 2 vom: 07. Jan., Seite 890-901
1. Verfasser: Zhang, Guangheng (VerfasserIn)
Weitere Verfasser: Hou, Xin, Wang, Li, Xu, Jing, Chen, Jian, Fu, Xue, Shen, Nianwei, Nian, Jinqiang, Jiang, Zhuanzhuan, Hu, Jiang, Zhu, Li, Rao, Yuchun, Shi, Yafei, Ren, Deyong, Dong, Guojun, Gao, Zhenyu, Guo, Longbiao, Qian, Qian, Luan, Sheng
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. cell wall drought tolerance leaf morphogenesis polygalacturonase (PG) rice (Oryza sativa L.) Plant Proteins Polygalacturonase EC 3.2.1.15
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520 |a The biosynthesis and modification of cell wall composition and structure are controlled by hundreds of enzymes and have a direct consequence on plant growth and development. However, the majority of these enzymes has not been functionally characterised. Rice mutants with leaf-rolling phenotypes were screened in a field. Phenotypic analysis under controlled conditions was performed for the selected mutant and the relevant gene was identified by map-based cloning. Cell wall composition was analysed by glycome profiling assay. We identified a photo-sensitive leaf rolling 1 (psl1) mutant with 'napping' (midday depression of photosynthesis) phenotype and reduced growth. The PSL1 gene encodes a cell wall-localised polygalacturonase (PG), a pectin-degrading enzyme. psl1 with a 260-bp deletion in its gene displayed leaf rolling in response to high light intensity and/or low humidity. Biochemical assays revealed PG activity of recombinant PSL1 protein. Significant modifications to cell wall composition in the psl1 mutant compared with the wild-type plants were identified. Such modifications enhanced drought tolerance of the mutant plants by reducing water loss under osmotic stress and drought conditions. Taken together, PSL1 functions as a PG that modifies cell wall biosynthesis, plant development and drought tolerance in rice 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a cell wall 
650 4 |a drought tolerance 
650 4 |a leaf morphogenesis 
650 4 |a polygalacturonase (PG) 
650 4 |a rice (Oryza sativa L.) 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Polygalacturonase  |2 NLM 
650 7 |a EC 3.2.1.15  |2 NLM 
700 1 |a Hou, Xin  |e verfasserin  |4 aut 
700 1 |a Wang, Li  |e verfasserin  |4 aut 
700 1 |a Xu, Jing  |e verfasserin  |4 aut 
700 1 |a Chen, Jian  |e verfasserin  |4 aut 
700 1 |a Fu, Xue  |e verfasserin  |4 aut 
700 1 |a Shen, Nianwei  |e verfasserin  |4 aut 
700 1 |a Nian, Jinqiang  |e verfasserin  |4 aut 
700 1 |a Jiang, Zhuanzhuan  |e verfasserin  |4 aut 
700 1 |a Hu, Jiang  |e verfasserin  |4 aut 
700 1 |a Zhu, Li  |e verfasserin  |4 aut 
700 1 |a Rao, Yuchun  |e verfasserin  |4 aut 
700 1 |a Shi, Yafei  |e verfasserin  |4 aut 
700 1 |a Ren, Deyong  |e verfasserin  |4 aut 
700 1 |a Dong, Guojun  |e verfasserin  |4 aut 
700 1 |a Gao, Zhenyu  |e verfasserin  |4 aut 
700 1 |a Guo, Longbiao  |e verfasserin  |4 aut 
700 1 |a Qian, Qian  |e verfasserin  |4 aut 
700 1 |a Luan, Sheng  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t The New phytologist  |d 1979  |g 229(2021), 2 vom: 07. Jan., Seite 890-901  |w (DE-627)NLM09818248X  |x 1469-8137  |7 nnns 
773 1 8 |g volume:229  |g year:2021  |g number:2  |g day:07  |g month:01  |g pages:890-901 
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