CERK1, more than a co-receptor in plant-microbe interactions.

Chao Yang, Ertao Wang, Jun Liu

Journal: The New phytologist 2022;234(5):1606-1613

PMID: 35297054

Abstract

CERK1 (Chitin Elicitor Receptor Kinase 1), a lysin motif-containing pattern recognition receptor (PRR), perceives chitooligosaccharides (COs) to mount immune and symbiotic responses. However, CERK1, for a relatively long time, has been regarded as a co-receptor in plant immunity, mainly due to its lack of high binding affinity to known elicitors. Recent studies demonstrated several novel carbohydrates as ligands of CERK1 in different plant species and recognized CERK1 as a key receptor in plant immunity and symbiosis. This review summarizes recent knowledge acquired on the role of CERK1 in plant-microbe interactions.

Address: State Key Laboratory of Agrobiotechnology and MOA Key Laboratory for Monitoring and Green Management of Crop Pests, China Agricultural University, Beijing, 100193, China.; National Key Laboratory of Plant Molecular Genetics, Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032, China.

DOI: 10.1111/nph.18074

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MeSH Terms: Arabidopsis, Arabidopsis Proteins, Chitin, Plant Immunity, Protein Serine-Threonine Kinases