Cloning of the wheat Yr15 resistance gene sheds light on the plant tandem kinase-pseudokinase family

Valentina Klymiuk, Elitsur Yaniv, Lin Huang, Dina Raats, Andrii Fatiukha, Shisheng Chen, Lihua Feng, Zeev Frenkel, Tamar Krugman, Gabriel Lidzbarsky, Wei Chang, Marko J. Jääskeläinen, Christian Schudoma, Lars Paulin, Pia Laine, Harbans Bariana, Hanan Sela, Kamran Saleem, Chris Khadgi Sørensen, Mogens S. HovmøllerAssaf Distelfeld, Boulos Chalhoub, Jorge Dubcovsky, Abraham B. Korol, Alan H. Schulman, Tzion Fahima*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Yellow rust, caused by Puccinia striiformis f. sp. tritici (Pst), is a devastating fungal disease threatening much of global wheat production. Race-specific resistance (R)-genes are used to control rust diseases, but the rapid emergence of virulent Pst races has prompted the search for a more durable resistance. Here, we report the cloning of Yr15, a broad-spectrum R-gene derived from wild emmer wheat, which encodes a putative kinase-pseudokinase protein, designated as wheat tandem kinase 1, comprising a unique R-gene structure in wheat. The existence of a similar gene architecture in 92 putative proteins across the plant kingdom, including the barley RPG1 and a candidate for Ug8, suggests that they are members of a distinct family of plant proteins, termed here tandem kinase-pseudokinases (TKPs). The presence of kinase-pseudokinase structure in both plant TKPs and the animal Janus kinases sheds light on the molecular evolution of immune responses across these two kingdoms.

Original languageEnglish
Article number3735
JournalNature Communications
Volume9
Issue number1
DOIs
StatePublished - 1 Dec 2018

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