RLK — Capsicum annuum

Summary

CaRLK (T459_23521) on pepper chromosome 9 encodes a transmembrane receptor protein serine/threonine kinase with a legume lectin domain, belonging to the L-type lectin receptor kinase family. It possesses coreceptor activity, histidine kinase activity, sugar binding, and protein homodimerization activity. The gene is associated with detection of bacteria, defence response by callose deposition, regulation of defence response to fungi, defence against oomycetes, and inhibition of salinity response. It is linked to pollen aperture formation, somatic embryogenesis, receptor-mediated endocytosis, and cytokinin signalling. Associations with bacterial blight disease resistance, leaf rolling, stomatal closure, root hair length, and seed germination have been noted. Studies of related genes in other species link the family to flagellin perception, PAMP-triggered immunity, and bacterial disease resistance.