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Plasma membrane H+-ATPase overexpression increases rice yield via simultaneous enhancement of nutrient uptake and photosynthesis

Agriculture

Plasma membrane H+-ATPase overexpression increases rice yield via simultaneous enhancement of nutrient uptake and photosynthesis

M. Zhang, Y. Wang, et al.

Explore how the overexpression of *Oryza sativa* plasma membrane H+-ATPase 1 (OSA1) in rice plants not only boosts ammonium absorption but also enhances photosynthesis, leading to remarkable increases in grain yield and nitrogen use efficiency. This groundbreaking research conducted by Maoxing Zhang and colleagues suggests a path towards improving global crop yields and promoting sustainable agriculture.

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Playback language: English
Abstract
Overexpression of *Oryza sativa* plasma membrane (PM) H+-ATPase 1 (OSA1) in rice plants enhances ammonium absorption and assimilation in roots and improves light-induced stomatal opening, leading to a higher photosynthesis rate in leaves. This results in a 33% increase in grain yield and a 46% increase in nitrogen use efficiency. The highly conserved nature of PM H+-ATPase suggests this manipulation could broadly improve crop yields and sustainable agriculture.
Publisher
Nature Communications
Published On
Feb 02, 2021
Authors
Maoxing Zhang, Yin Wang, Xi Chen, Feiyun Xu, Ming Ding, Wenxiu Ye, Yuya Kawai, Yosuke Toda, Yuki Hayashi, Takamasa Suzuki, Houqing Zeng, Liang Xiao, Xin Xiao, Jin Xu, Shiwei Guo, Feng Yan, Qirong Shen, Guohua Xu, Toshinori Kinoshita, Yiyong Zhu
Tags
Oryza sativa
H+-ATPase
ammonium absorption
photosynthesis
grain yield
nitrogen use efficiency
sustainable agriculture

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