J Integr Plant Biol.

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A cytokinin–NIN module drives spontaneous root nodule formation in alfalfa

Yazhen Guo1†, Hongwei Guo1, 2†, Shujing Cheng3, Peiyong Xin3, Ronghui Yu1, 2, Zhibin Fan1, 2, Jinfang Chu2, 3 and Jian Feng1, 2, 4*   

  1. 1. State Key Laboratory of Seed Innovation, Institute of Genetics and Developmental Biology, the Chinese Academy of Sciences, Beijing, 100101 China;
    2. These authors contributed equally to this work.;
    3. University of Chinese Academy of Sciences, Beijing, 100049 China;
    4. State Key Laboratory of Seed Innovation, National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, the Chinese Academy of Sciences, Beijing, 100101 China;
    5. CAS‑JIC Centre of Excellence for Plant and Microbial Science (CEPAMS), Institute of Genetics and Developmental Biology, the Chinese Academy of Sciences, Beijing, 100101 China
    †These authors contributed equally to this work.
    *Correspondence: Jian Feng (jfeng@genetics.ac.cn)
  • Received:2026-04-07 Revised:2026-09-15 Accepted:2026-09-15 Online:2026-09-29
  • Supported by:
    We thank Fengqin Dong for support with nodule sectioning and microscopy. This work was supported by the National Key R&D Program of China (2022YFF1003201) and the National Natural Science Foundation of China (32370261).
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