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<p>Lectin receptor-like kinases (LecRKs) constitute a subfamily of receptor-like kinases (RLKs) that are widely distributed across the plant kingdom. To date, they have been identified in more than ten distinct plant species. Based on differences in their extracellular lectin domains, they can be classified into G-, L-, and C-types, with G- and L-types being more common and numerous, while the C-type is relatively scarce. Numerous studies have demonstrated that LecRKs participate extensively in plant responses to biotic/abiotic stresses and developmental regulation. Rice contains 173 LecRKs, comprising 100 G-type, 72 L-type, and 1 C-type members. Although rice LecRKs have been studied for nearly two decades, the functions of the vast majority remain unknown. This review will summarize the functions of identified rice LecRKs from the perspectives of biotic/abiotic stress responses and developmental regulation. A systematic elucidation of their functions will facilitate a deeper understanding of these kinases in rice and provide a theoretical foundation for crop breeding and improvement.</p>

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Functional role of Lectin Receptor-like Kinase in Rice (Oryza sativa L.)

  • 期刊论文

  • 发表日期：

    2026年3月14日

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  • Xiaoqun Peng,
  • Menglong Wang

摘要

Lectin receptor-like kinases (LecRKs) constitute a subfamily of receptor-like kinases (RLKs) that are widely distributed across the plant kingdom. To date, they have been identified in more than ten distinct plant species. Based on differences in their extracellular lectin domains, they can be classified into G-, L-, and C-types, with G- and L-types being more common and numerous, while the C-type is relatively scarce. Numerous studies have demonstrated that LecRKs participate extensively in plant responses to biotic/abiotic stresses and developmental regulation. Rice contains 173 LecRKs, comprising 100 G-type, 72 L-type, and 1 C-type members. Although rice LecRKs have been studied for nearly two decades, the functions of the vast majority remain unknown. This review will summarize the functions of identified rice LecRKs from the perspectives of biotic/abiotic stress responses and developmental regulation. A systematic elucidation of their functions will facilitate a deeper understanding of these kinases in rice and provide a theoretical foundation for crop breeding and improvement.