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Lee, Sichul
식물 노화·수명 연구단
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Concurrent activation of OsAMT1;2 and OsGOGAT1 in rice leads to enhanced nitrogen use efficiency under nitrogen limitation

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Title
Concurrent activation of OsAMT1;2 and OsGOGAT1 in rice leads to enhanced nitrogen use efficiency under nitrogen limitation
Author(s)
Sichul Lee; Anne Marmagne; Joonheum Park; Chardon Fabien; Yehyun Yim; Sun-ji Kim; Tae-Heon Kim; Pyung Ok Lim; Celine Masclaux-Daubresse; Hong Gil Nam
Subject
activation tagging mutant, ; Ammonium transporter 1, ; 2, ; Glutamate synthetase 1, ; grain quality and yield, ; nitrogen use efficiency, ; Oryza sativa
Publication Date
2020-07
Journal
PLANT JOURNAL, v.103, no.1, pp.7 - 20
Publisher
WILEY
Abstract
© 2020 The Authors. The Plant Journal published by Society for Experimental Biology and John Wiley & Sons Ltd. Nitrogen (N) is a major factor for plant development and productivity. However, the application of nitrogenous fertilizers generates environmental and economic problems. To cope with the increasing global food demand, the development of rice varieties with high nitrogen use efficiency (NUE) is indispensable for reducing environmental issues and achieving sustainable agriculture. Here, we report that the concomitant activation of the rice (Oryza sativa) Ammonium transporter 1;2 (OsAMT1;2) and Glutamate synthetase 1 (OsGOGAT1) genes leads to increased tolerance to nitrogen limitation and to better ammonium uptake and N remobilization at the whole plant level. We show that the double activation of OsAMT1;2 and OsGOGAT1 increases plant performance in agriculture, providing better N grain filling without yield penalty under paddy field conditions, as well as better grain yield and N content when plants are grown under N limiting in field conditions. Combining OsAMT1;2 and OsGOGAT1 activation provides a good breeding strategy for improving plant growth, nitrogen use efficiency and grain productivity, especially under nitrogen limitation, through the increment of both nitrogen uptake and assimilation
URI
https://pr.ibs.re.kr/handle/8788114/7789
DOI
10.1111/tpj.14794
ISSN
0960-7412
Appears in Collections:
Center for Plant Aging Research (식물 노화·수명 연구단) > 1. Journal Papers (저널논문)
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