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A receptor kinase gene regulating symbiotic nodule development

Author

Listed:
  • Gabriella Endre

    (Institute of Genetics, Biological Research Center of the Hungarian Academy of Sciences)

  • Attila Kereszt

    (Institute of Genetics, Biological Research Center of the Hungarian Academy of Sciences)

  • Zoltán Kevei

    (Institute of Genetics, Biological Research Center of the Hungarian Academy of Sciences)

  • Sorina Mihacea

    (Institute of Genetics, Biological Research Center of the Hungarian Academy of Sciences)

  • Péter Kaló

    (Institute of Genetics, Biological Research Center of the Hungarian Academy of Sciences)

  • György B. Kiss

    (Institute of Genetics, Biological Research Center of the Hungarian Academy of Sciences)

Abstract

Leguminous plants are able to establish a nitrogen-fixing symbiosis with soil bacteria generally known as rhizobia. Metabolites exuded by the plant root activate the production of a rhizobial signal molecule, the Nod factor, which is essential for symbiotic nodule development1,2. This lipo-chitooligosaccharide signal is active at femtomolar concentrations, and its structure is correlated with host specificity of symbiosis3, suggesting the involvement of a cognate perception system in the plant host. Here we describe the cloning of a gene from Medicago sativa that is essential for Nod-factor perception in alfalfa, and by genetic analogy, in the related legumes Medicago truncatula and Pisum sativum. The identified ‘nodulation receptor kinase’, NORK, is predicted to function in the Nod-factor perception/transduction system (the NORK system) that initiates a signal cascade leading to nodulation. The family of ‘NORK extracellular-sequence-like’ (NSL) genes is broadly distributed in the plant kingdom, although their biological function has not been previously ascribed. We suggest that during the evolution of symbiosis an ancestral NSL system was co-opted for transduction of an external ligand, the rhizobial Nod factor, leading to development of the symbiotic root nodule.

Suggested Citation

  • Gabriella Endre & Attila Kereszt & Zoltán Kevei & Sorina Mihacea & Péter Kaló & György B. Kiss, 2002. "A receptor kinase gene regulating symbiotic nodule development," Nature, Nature, vol. 417(6892), pages 962-966, June.
    • Handle: RePEc:nat:nature:v:417:y:2002:i:6892:d:10.1038_nature00842
    DOI: 10.1038/nature00842
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    Cited by:

    1. Mengjie Qiao & Ruibo Sun & Zixuan Wang & Kenneth Dumack & Xingguang Xie & Chuanchao Dai & Ertao Wang & Jizhong Zhou & Bo Sun & Xinhua Peng & Michael Bonkowski & Yan Chen, 2024. "Legume rhizodeposition promotes nitrogen fixation by soil microbiota under crop diversification," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
    2. Mohamed Hemida Abd-Alla & Salem M. Al-Amri & Abdel-Wahab Elsadek El-Enany, 2023. "Enhancing Rhizobium –Legume Symbiosis and Reducing Nitrogen Fertilizer Use Are Potential Options for Mitigating Climate Change," Agriculture, MDPI, vol. 13(11), pages 1-26, November.
    3. Manuel Frank & Lavinia Ioana Fechete & Francesca Tedeschi & Marcin Nadzieja & Malita Malou Malekzadeh Nørgaard & Jesus Montiel & Kasper Røjkjær Andersen & Mikkel H. Schierup & Dugald Reid & Stig Ugger, 2023. "Single-cell analysis identifies genes facilitating rhizobium infection in Lotus japonicus," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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