Proline-rich protein gene PdPRP regulates secondary wall formation in poplar

Proline-rich protein gene PdPRP regulates secondary wall formation in poplar

Copyright © 2018 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 233(2019) vom: 02. Feb., Seite 58-72
1. Verfasser: Li, Shaofeng (VerfasserIn)
Weitere Verfasser: Zhang, Yaoxiang, Ding, Changjun, Gao, Xu, Wang, Ran, Mo, Wenjuan, Lv, Fuling, Wang, Shaoli, Liu, Liang, Tang, Zhimin, Tian, Hua, Zhang, Jianhui, Zhang, Bingyu, Huang, Qinjun, Lu, Mengzhu, Wuyun, Ta-Na, Hu, Zanmin, Xia, Yongxiu, Su, Xiaohua
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Molecular mechanisms PdPRP Populus deltoids Secondary wall formation Vascular growth Plant Proteins
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520 |a Proline-rich protein (PRP) is a plant cell wall associated protein. Its distinct patterns of regulation and localization studied in a number of plants indicate that it may play important roles in growth and development. However, the mechanism of how these genes control secondary cell wall development in tree species is largely unknown. Here, we report that a Populus deltoides (Marsh.) proline-rich protein gene PdPRP was preferentially expressed in immature/mature phloem and immature xylem in P. deltoides. PdPRP overexpression increased poplar plant height and diameter as well as the radial width of the phloem and xylem regions, facilitated secondary wall deposition, and induced expression of genes related to microfibril angle (MFA) and secondary wall biosynthesis. Downregulation of PdPRP retarded poplar growth, decreased the radial width of the secondary phloem and secondary xylem regions, reduced secondary wall thickening in fibers and vessels, and decreased the expression of genes related to MFA and secondary wall biosynthesis. These results suggest that PdPRP might positively regulate secondary cell wall formation by promoting secondary wall thickening and expansion in poplar. PdPRP-overexpressing poplar had a lower MFA, indicating that PdPRP may be useful for improving wood stiffness and properties in plants. Together, our results demonstrate that PdPRP is a proline-rich protein associated with cell wall development, playing a critical role in regulating secondary cell wall formation in poplar 
650 4 |a Journal Article 
650 4 |a Molecular mechanisms 
650 4 |a PdPRP 
650 4 |a Populus deltoids 
650 4 |a Secondary wall formation 
650 4 |a Vascular growth 
650 7 |a Plant Proteins  |2 NLM 
700 1 |a Zhang, Yaoxiang  |e verfasserin  |4 aut 
700 1 |a Ding, Changjun  |e verfasserin  |4 aut 
700 1 |a Gao, Xu  |e verfasserin  |4 aut 
700 1 |a Wang, Ran  |e verfasserin  |4 aut 
700 1 |a Mo, Wenjuan  |e verfasserin  |4 aut 
700 1 |a Lv, Fuling  |e verfasserin  |4 aut 
700 1 |a Wang, Shaoli  |e verfasserin  |4 aut 
700 1 |a Liu, Liang  |e verfasserin  |4 aut 
700 1 |a Tang, Zhimin  |e verfasserin  |4 aut 
700 1 |a Tian, Hua  |e verfasserin  |4 aut 
700 1 |a Zhang, Jianhui  |e verfasserin  |4 aut 
700 1 |a Zhang, Bingyu  |e verfasserin  |4 aut 
700 1 |a Huang, Qinjun  |e verfasserin  |4 aut 
700 1 |a Lu, Mengzhu  |e verfasserin  |4 aut 
700 1 |a Wuyun, Ta-Na  |e verfasserin  |4 aut 
700 1 |a Hu, Zanmin  |e verfasserin  |4 aut 
700 1 |a Xia, Yongxiu  |e verfasserin  |4 aut 
700 1 |a Su, Xiaohua  |e verfasserin  |4 aut 
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