氮素缺乏调节碳分配以提高大豆根瘤的固氮能力。
Nitrogen deficiency modulates carbon allocation to promote nodule nitrogen fixation capacity in soybean.
作者信息
Ke Xiaolong, Xiao Han, Peng Yaqi, Xia Xue, Wang Xuelu
机构信息
State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences Henan University Zhengzhou China.
The Academy for Advanced Interdisciplinary Studies Henan University Zhengzhou Henan China.
出版信息
Exploration (Beijing). 2023 Nov 30;4(2):20230104. doi: 10.1002/EXP.20230104. eCollection 2024 Apr.
Previously, the effect of soil mineral N deficiency on nodule nitrogen fixation capacity (NFC) is unclear. In this study, we found that N deficiency would enhance sucrose allocation to nodules and PEP allocation to bacteroid to promote nodule NFC. Our findings provide new insights into the design of leguminous crops with improved adaptation to fluctuating N levels in the soil.
此前，土壤矿质氮缺乏对根瘤固氮能力（NFC）的影响尚不清楚。在本研究中，我们发现氮缺乏会增强蔗糖向根瘤的分配以及磷酸烯醇式丙酮酸（PEP）向类菌体的分配，从而促进根瘤的固氮能力。我们的研究结果为设计更能适应土壤中氮水平波动的豆科作物提供了新的见解。
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