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Volume 52 Issue 1
Jan.  2025
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Article Navigation >  Journal of Genetics and Genomics  > 2025  >  52(1): 4-13

Crop root system architecture in drought response

doi: 10.1016/j.jgg.2024.05.001
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    a. College of Agronomy, Gansu Agricultural University, Lanzhou, Gansu 730070, China;

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    b. State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, Gansu 730070, China;

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    c. Crop Research Institute, Gansu Academy of Agricultural Sciences, Lanzhou, Gansu 730070, China;

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    d. Key Laboratory of Crop Gene Resources and Germplasm Innovation in Northwest Cold and Arid Regions, Ministry of Agriculture and Rural Affairs, Lanzhou, Gansu 730070, China;

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    e. National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, Hubei 430070, China;

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    f. Hubei Hongshan Laboratory, Wuhan, Hubei 430070, China

Funds:

We apologize to colleagues whose work could not be included due to space limitations. This work was supported by the Key Technologies Research and Development Program, China (2022YFE0100500), the National Natural Science Foundation of China (31971954, 31960405, 32061143031), Hainan Yazhou Bay Seed Lab and China National Seed Group (B23YQ1510), Gansu Province Industrial Support Plan (2022CYZC-46), and Postdoctoral Fellowship Program of CPSF (GZC20230909).

  • Received Date: 2024-04-02
  • Accepted Date: 2024-05-01
  • Rev Recd Date: 2024-04-26
    • Available Online: 2025-07-11
  • Publish Date: 2024-05-08
    Abstract
  • Drought is a natural disaster that profoundly impacts on global agricultural production, significantly reduces crop yields, and thereby poses a severe threat to worldwide food security. Addressing the challenge of effectively improving crop drought resistance (DR) to mitigate yield loss under drought conditions is a global issue. An optimal root system architecture (RSA) plays a pivotal role in enhancing the capacity of crops to efficiently uptake water and nutrients, which consequently strengthens their resilience against environmental stresses. In this review, we discuss the compositions and roles of crop RSA and summarize the most recent developments in augmenting drought tolerance in crops by manipulating RSA-related genes. Based on the current research, we propose the potential optimal RSA configuration that could be helpful in enhancing crop DR. Lastly, we discuss the existing challenges and future directions for breeding crops with enhanced DR capabilities through genetic improvements targeting RSA.
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