CO2 enhances low-nitrogen adaption by promoting amino acid metabolism in Brassica napus

文献类型： 外文期刊

第一作者： Zhang, Zhenhua

作者： Zhang, Zhenhua;Wu, Zhimin

作者机构：

关键词： Environment adaptation; Elevated CO 2; Low nitrogen; Nitrogen metabolism; Carbon metabolism

期刊名称：PLANT PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：6.5； 五年影响因子：6.4 ）

ISSN： 0981-9428

年卷期： 2023 年 201 卷

页码：

收录情况： SCI

摘要： Increasing concentrations of atmospheric CO2 are driving climate change and negatively impacting the carbonnitrogen (C/N) balance in crops, which in turn alters fertilizer use efficiency. In this study, Brassica napus was cultivated under different CO2 and NO3  -N concentrations to study the impact of C/N ratio on plant growth. Elevated CO2 enhanced biomass and nitrogen assimilation efficiency under low NO3  -N conditions, indicating an adaptation by Brassica napus. Transcriptome and metabolome analyses revealed that elevated CO2 promoted amino acid catabolism under low NO3  -N conditions. This study provides new insights into how Brassica napus adapts to environmental change.

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