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Title: Evolutionary trade-offs at the Arabidopsis WRR4A resistance locus underpin alternate Albugo candida race recognition specificities
Authors: Castel, Baptiste 
Fairhead, Sebastian
Furzer, Oliver J.
Redkar, Amey
Wang, Shanshan
Cevik, Volkan
Holub, Eric B.
Jones, Jonathan D. G.
Keywords: Arabidopsis thaliana
crop protection
effector recognition
natural variation
resistance gene
Issue Date: 3-Aug-2021
Publisher: John Wiley and Sons Inc
Citation: Castel, Baptiste, Fairhead, Sebastian, Furzer, Oliver J., Redkar, Amey, Wang, Shanshan, Cevik, Volkan, Holub, Eric B., Jones, Jonathan D. G. (2021-08-03). Evolutionary trade-offs at the Arabidopsis WRR4A resistance locus underpin alternate Albugo candida race recognition specificities. Plant Journal 107 (5) : 1490-1502. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: The oomycete Albugo candida causes white rust of Brassicaceae, including vegetable and oilseed crops, and wild relatives such as Arabidopsis thaliana. Novel White Rust Resistance (WRR) genes from Arabidopsis enable new insights into plant/parasite co-evolution. WRR4A from Arabidopsis accession Columbia (Col-0) provides resistance to many but not all white rust races, and encodes a nucleotide-binding, leucine-rich repeat immune receptor. Col-0 WRR4A resistance is broken by AcEx1, an isolate of A. candida. We identified an allele of WRR4A in Arabidopsis accession Øystese-0 (Oy-0) and other accessions that confers full resistance to AcEx1. WRR4AOy-0 carries a C-terminal extension required for recognition of AcEx1, but reduces recognition of several effectors recognized by the WRR4ACol-0 allele. WRR4AOy-0 confers full resistance to AcEx1 when expressed in the oilseed crop Camelina sativa. © 2021 The Authors. The Plant Journal published by Society for Experimental Biology and John Wiley & Sons Ltd.
Source Title: Plant Journal
ISSN: 0960-7412
DOI: 10.1111/tpj.15396
Rights: Attribution 4.0 International
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