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On September 14, 2021, the internationally renowned academic journal Molecular Plant published the title "Decreasing Nitrogen Assimilation under Drought Stress by Suppressing DST-Mediated Activation of Nitrate Reductase 1.
Nitrogen use efficiency (NUE) and drought resistance are two main traits that are increasingly being paid attention to by breeders, because these two traits not only affect crop yields, but are also closely related to environmental protection and sustainable agricultural development
The study found that the salt-and-drought-tolerant rice mutant dst exhibited low-nitrogen sensitivity and reduced nitrogen use efficiency phenotypes in both the laboratory seedling stage and field production, indicating that DST is necessary for rice nitrogen absorption or utilization
Through the analysis of the expression levels of three possible nitrate reductase encoding genes OsNR1.
The study under osmotic stress OsNR1.
In summary, this study not only identified two new genes involved in nitrogen utilization in rice, but also revealed the regulatory modules of nitrogen assimilation and reprogramming under drought stress
Researcher Chao Daiyin of the Center for Excellence in Molecular Plant Science, Chinese Academy of Sciences is the corresponding author of the paper, assistant researcher Han Meiling is the first author, and researcher Lin Hongxuan participated in the research
Link to the paper: https://doi.
