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Mutation of OsLPR3 Enhances Tolerance to Phosphate Starvation in Rice

Low Phosphate Root (LPR) encodes a protein localized to the endoplasmic reticulum (ER) and cell wall. This gene plays a key role in responding to phosphate (Pi) deprivation, especially in remodeling the root system architecture (RSA). An identification and expression analysis of the OsLPR family in...

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Autores principales: Ai, Hao, Liu, Xiuli, Hu, Zhi, Cao, Yue, Kong, Nannan, Gao, Feiyan, Hu, Siwen, Shen, Xing, Huang, Xianzhong, Xu, Guohua, Sun, Shubin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9917114/
https://www.ncbi.nlm.nih.gov/pubmed/36768758
http://dx.doi.org/10.3390/ijms24032437
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author Ai, Hao
Liu, Xiuli
Hu, Zhi
Cao, Yue
Kong, Nannan
Gao, Feiyan
Hu, Siwen
Shen, Xing
Huang, Xianzhong
Xu, Guohua
Sun, Shubin
author_facet Ai, Hao
Liu, Xiuli
Hu, Zhi
Cao, Yue
Kong, Nannan
Gao, Feiyan
Hu, Siwen
Shen, Xing
Huang, Xianzhong
Xu, Guohua
Sun, Shubin
author_sort Ai, Hao
collection PubMed
description Low Phosphate Root (LPR) encodes a protein localized to the endoplasmic reticulum (ER) and cell wall. This gene plays a key role in responding to phosphate (Pi) deprivation, especially in remodeling the root system architecture (RSA). An identification and expression analysis of the OsLPR family in rice (Oryza sativa) has been previously reported, and OsLPR5, functioning in Pi uptake and translocation, is required for the normal growth and development of rice. However, the role of OsLPR3, one of the five members of this family in rice, in response to Pi deficiency and/or in the regulation of plant growth and development is unknown. Therefore, in this study, the roles of OsLPR3 in these processes were investigated, and some functions were found to differ between OsLPR3 and OsLPR5. OsLPR3 was found to be induced in the leaf blades, leaf sheaths, and roots under Pi deprivation. OsLPR3 overexpression strongly inhibited the growth and development of the rice but did not affect the Pi homeostasis of the plant. However, oslpr3 mutants improved RSA and Pi utilization, and they exhibited a higher tolerance to low Pi stress in rice. The agronomic traits of the oslpr3 mutants, such as 1000-grain weight and seed length, were stimulated under Pi-sufficient conditions, indicating that OsLPR3 plays roles different from those of OsLPR5 during plant growth and development, as well as in the maintenance of the Pi status of rice.
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spelling pubmed-99171142023-02-11 Mutation of OsLPR3 Enhances Tolerance to Phosphate Starvation in Rice Ai, Hao Liu, Xiuli Hu, Zhi Cao, Yue Kong, Nannan Gao, Feiyan Hu, Siwen Shen, Xing Huang, Xianzhong Xu, Guohua Sun, Shubin Int J Mol Sci Article Low Phosphate Root (LPR) encodes a protein localized to the endoplasmic reticulum (ER) and cell wall. This gene plays a key role in responding to phosphate (Pi) deprivation, especially in remodeling the root system architecture (RSA). An identification and expression analysis of the OsLPR family in rice (Oryza sativa) has been previously reported, and OsLPR5, functioning in Pi uptake and translocation, is required for the normal growth and development of rice. However, the role of OsLPR3, one of the five members of this family in rice, in response to Pi deficiency and/or in the regulation of plant growth and development is unknown. Therefore, in this study, the roles of OsLPR3 in these processes were investigated, and some functions were found to differ between OsLPR3 and OsLPR5. OsLPR3 was found to be induced in the leaf blades, leaf sheaths, and roots under Pi deprivation. OsLPR3 overexpression strongly inhibited the growth and development of the rice but did not affect the Pi homeostasis of the plant. However, oslpr3 mutants improved RSA and Pi utilization, and they exhibited a higher tolerance to low Pi stress in rice. The agronomic traits of the oslpr3 mutants, such as 1000-grain weight and seed length, were stimulated under Pi-sufficient conditions, indicating that OsLPR3 plays roles different from those of OsLPR5 during plant growth and development, as well as in the maintenance of the Pi status of rice. MDPI 2023-01-26 /pmc/articles/PMC9917114/ /pubmed/36768758 http://dx.doi.org/10.3390/ijms24032437 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Ai, Hao
Liu, Xiuli
Hu, Zhi
Cao, Yue
Kong, Nannan
Gao, Feiyan
Hu, Siwen
Shen, Xing
Huang, Xianzhong
Xu, Guohua
Sun, Shubin
Mutation of OsLPR3 Enhances Tolerance to Phosphate Starvation in Rice
title Mutation of OsLPR3 Enhances Tolerance to Phosphate Starvation in Rice
title_full Mutation of OsLPR3 Enhances Tolerance to Phosphate Starvation in Rice
title_fullStr Mutation of OsLPR3 Enhances Tolerance to Phosphate Starvation in Rice
title_full_unstemmed Mutation of OsLPR3 Enhances Tolerance to Phosphate Starvation in Rice
title_short Mutation of OsLPR3 Enhances Tolerance to Phosphate Starvation in Rice
title_sort mutation of oslpr3 enhances tolerance to phosphate starvation in rice
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9917114/
https://www.ncbi.nlm.nih.gov/pubmed/36768758
http://dx.doi.org/10.3390/ijms24032437
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