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Tandem kinase proteins across the plant kingdom
Published on March 5th 2025
Plant pathogens pose a continuous threat to global food production. Recent discoveries in plant immunity research have unveiled a unique protein family characterized by an unusual resistance protein structure that combines two kinase domains.
A recent review by Reveguk and colleagues in Nature Genetics demonstrates the widespread occurrence of these tandem kinase proteins across the plant kingdom, and an examination of 104 plant species’ genomes has uncovered 2,682 of them, with the great majority (95.6%) being part of the receptor-like kinase–Pelle family, which is crucial for cell surface responses in plant immunity. 90% of tandem kinase proteins comprise dual kinase domains with over 50% being pseudokinases. Over 56% of these proteins harbour 127 different integrated domains, and over 47% include a transmembrane domain.
Tandem kinase proteins and/or integrated domains probably serve as decoys, engaging with pathogen effectors to trigger plant immunity.
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Recent citations
A new publication from the University of Ljubljana uses MCA-AVLQSGFR-Lys(Dnp)-Lys-NH2, the FRET substrate for the severe acute respiratory syndrome coronavirus main protease (SARS-CoV Mpro), to determine the inhibitory potential of plant polyphenols
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