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Role of Aquaporins in Determining Carbon and Nitrogen Status in Higher Plants
Aquaporins (AQPs) are integral membrane proteins facilitating the transport of water and some small neutral molecules across cell membranes. In past years, much effort has been made to reveal the location of AQPs as well as their function in water transport, photosynthetic processes, and stress resp...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5795985/ https://www.ncbi.nlm.nih.gov/pubmed/29342938 http://dx.doi.org/10.3390/ijms19010035 |
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author | Gao, Limin Lu, Zhifeng Ding, Lei Guo, Junjie Wang, Min Ling, Ning Guo, Shiwei Shen, Qirong |
author_facet | Gao, Limin Lu, Zhifeng Ding, Lei Guo, Junjie Wang, Min Ling, Ning Guo, Shiwei Shen, Qirong |
author_sort | Gao, Limin |
collection | PubMed |
description | Aquaporins (AQPs) are integral membrane proteins facilitating the transport of water and some small neutral molecules across cell membranes. In past years, much effort has been made to reveal the location of AQPs as well as their function in water transport, photosynthetic processes, and stress responses in higher plants. In the present review, we paid attention to the character of AQPs in determining carbon and nitrogen status. The role of AQPs during photosynthesis is characterized as its function in transporting water and CO(2) across the membrane of chloroplast and thylakoid; recalculated results from published studies showed that over-expression of AQPs contributed to 25% and 50% increases in stomatal conductance (g(s)) and mesophyll conductance (g(m)), respectively. The nitrogen status in plants is regulated by AQPs through their effect on water flow as well as urea and NH(4)(+) uptake, and the potential role of AQPs in alleviating ammonium toxicity is discussed. At the same time, root and/or shoot AQP expression is quite dependent on both N supply amounts and forms. Future research directions concerning the function of AQPs in regulating plant carbon and nitrogen status as well as C/N balance are also highlighted. |
format | Online Article Text |
id | pubmed-5795985 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-57959852018-02-09 Role of Aquaporins in Determining Carbon and Nitrogen Status in Higher Plants Gao, Limin Lu, Zhifeng Ding, Lei Guo, Junjie Wang, Min Ling, Ning Guo, Shiwei Shen, Qirong Int J Mol Sci Review Aquaporins (AQPs) are integral membrane proteins facilitating the transport of water and some small neutral molecules across cell membranes. In past years, much effort has been made to reveal the location of AQPs as well as their function in water transport, photosynthetic processes, and stress responses in higher plants. In the present review, we paid attention to the character of AQPs in determining carbon and nitrogen status. The role of AQPs during photosynthesis is characterized as its function in transporting water and CO(2) across the membrane of chloroplast and thylakoid; recalculated results from published studies showed that over-expression of AQPs contributed to 25% and 50% increases in stomatal conductance (g(s)) and mesophyll conductance (g(m)), respectively. The nitrogen status in plants is regulated by AQPs through their effect on water flow as well as urea and NH(4)(+) uptake, and the potential role of AQPs in alleviating ammonium toxicity is discussed. At the same time, root and/or shoot AQP expression is quite dependent on both N supply amounts and forms. Future research directions concerning the function of AQPs in regulating plant carbon and nitrogen status as well as C/N balance are also highlighted. MDPI 2018-01-15 /pmc/articles/PMC5795985/ /pubmed/29342938 http://dx.doi.org/10.3390/ijms19010035 Text en © 2018 by the authors. 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 (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Review Gao, Limin Lu, Zhifeng Ding, Lei Guo, Junjie Wang, Min Ling, Ning Guo, Shiwei Shen, Qirong Role of Aquaporins in Determining Carbon and Nitrogen Status in Higher Plants |
title | Role of Aquaporins in Determining Carbon and Nitrogen Status in Higher Plants |
title_full | Role of Aquaporins in Determining Carbon and Nitrogen Status in Higher Plants |
title_fullStr | Role of Aquaporins in Determining Carbon and Nitrogen Status in Higher Plants |
title_full_unstemmed | Role of Aquaporins in Determining Carbon and Nitrogen Status in Higher Plants |
title_short | Role of Aquaporins in Determining Carbon and Nitrogen Status in Higher Plants |
title_sort | role of aquaporins in determining carbon and nitrogen status in higher plants |
topic | Review |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5795985/ https://www.ncbi.nlm.nih.gov/pubmed/29342938 http://dx.doi.org/10.3390/ijms19010035 |
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