ATR2C ala2 from Arabidopsis-infecting downy mildew requires 4 TIR-NLR immune receptors for full recognition

© 2024 The Authors. New Phytologist © 2024 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 243(2024), 1 vom: 21. Juli, Seite 330-344
1. Verfasser: Kim, Dae Sung (VerfasserIn)
Weitere Verfasser: Li, Yufei, Ahn, Hee-Kyung, Woods-Tör, Alison, Cevik, Volkan, Furzer, Oliver J, Ma, Wenbo, Tör, Mahmut, Jones, Jonathan D G
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Arabidopsis Hyaloperonospora arabidopsidis ATR2 RPP2 RxLR effector TNL plant immunity Arabidopsis Proteins NLR Proteins
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520 |a Arabidopsis Col-0 RPP2A and RPP2B confer recognition of Arabidopsis downy mildew (Hyaloperonospora arabidopsidis [Hpa]) isolate Cala2, but the identity of the recognized ATR2Cala2 effector was unknown. To reveal ATR2Cala2, an F2 population was generated from a cross between Hpa-Cala2 and Hpa-Noks1. We identified ATR2Cala2 as a non-canonical RxLR-type effector that carries a signal peptide, a dEER motif, and WY domains but no RxLR motif. Recognition of ATR2Cala2 and its effector function were verified by biolistic bombardment, ectopic expression and Hpa infection. ATR2Cala2 is recognized in accession Col-0 but not in Ler-0 in which RPP2A and RPP2B are absent. In ATR2Emoy2 and ATR2Noks1 alleles, a frameshift results in an early stop codon. RPP2A and RPP2B are essential for the recognition of ATR2Cala2. Stable and transient expression of ATR2Cala2 under 35S promoter in Arabidopsis and Nicotiana benthamiana enhances disease susceptibility. Two additional Col-0 TIR-NLR (TNL) genes (RPP2C and RPP2D) adjacent to RPP2A and RPP2B are quantitatively required for full resistance to Hpa-Cala2. We compared RPP2 haplotypes in multiple Arabidopsis accessions and showed that all four genes are present in all ATR2Cala2-recognizing accessions 
650 4 |a Journal Article 
650 4 |a Arabidopsis 
650 4 |a Hyaloperonospora arabidopsidis 
650 4 |a ATR2 
650 4 |a RPP2 
650 4 |a RxLR effector 
650 4 |a TNL 
650 4 |a plant immunity 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a NLR Proteins  |2 NLM 
700 1 |a Li, Yufei  |e verfasserin  |4 aut 
700 1 |a Ahn, Hee-Kyung  |e verfasserin  |4 aut 
700 1 |a Woods-Tör, Alison  |e verfasserin  |4 aut 
700 1 |a Cevik, Volkan  |e verfasserin  |4 aut 
700 1 |a Furzer, Oliver J  |e verfasserin  |4 aut 
700 1 |a Ma, Wenbo  |e verfasserin  |4 aut 
700 1 |a Tör, Mahmut  |e verfasserin  |4 aut 
700 1 |a Jones, Jonathan D G  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t The New phytologist  |d 1979  |g 243(2024), 1 vom: 21. Juli, Seite 330-344  |w (DE-627)NLM09818248X  |x 1469-8137  |7 nnns 
773 1 8 |g volume:243  |g year:2024  |g number:1  |g day:21  |g month:07  |g pages:330-344 
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