A complex resistance locus in Solanum americanum recognizes a conserved Phytophthora effector
文献类型： 外文期刊
作者： Witek, Kamil 1 ; Lin, Xiao 1 ; Karki, Hari S. 1 ; Jupe, Florian 1 ; Witek, Agnieszka, I 1 ; Steuernagel, Burkhard 2 ;
作者机构： 1.Univ East Anglia, Sainsbury Lab, Norwich Res Pk, Norwich, Norfolk, England
2.John Innes Ctr, Norwich Res Pk, Norwich, Norfolk, England
3.Tech Univ Munich, Phytopathol, Freising Weihenstephan, Germany
4.Univ East Anglia, Sch Environm Sci, Norwich Res Pk, Norwich, Norfolk, England
5.Univ Leeds, Fac Biol Sci, Leeds, W Yorkshire, England
6.Univ Hull, Kingston Upon Hull, N Humberside, England
7.Wageningen Univ & Res, Plant Breeding, Wageningen, Netherlands
8.ARS, USDA, Madison, WI USA
9.Bayer Crop Sci, Chesterfield, MO USA
10.New Zealand Inst Plant & Food Res Ltd, Nelson, New Zealand
11.Acad Sinica, Inst Plant & Microbial Biol, Taipei, Taiwan
12.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing, Peoples R China
期刊名称：NATURE PLANTS （ 影响因子：15.793； 五年影响因子：17.349 ）
ISSN： 2055-026X
年卷期： 2021 年 7 卷 2 期
页码：
收录情况： SCI
摘要： Late blight caused by Phytophthora infestans greatly constrains potato production. Many Resistance (R) genes were cloned from wild Solanum species and/or introduced into potato cultivars by breeding. However, individual R genes have been overcome by P. infestans evolution; durable resistance remains elusive. We positionally cloned a new R gene, Rpi-amr1, from Solanum americanum, that encodes an NRC helper-dependent CC-NLR protein. Rpi-amr1 confers resistance in potato to all 19 P. infestans isolates tested. Using association genomics and long-read RenSeq, we defined eight additional Rpi-amr1 alleles from different S. americanum and related species. Despite only similar to 90% identity between Rpi-amr1 proteins, all confer late blight resistance but differentially recognize Avramr1 orthologues and paralogues. We propose that Rpi-amr1 gene family diversity assists detection of diverse paralogues and alleles of the recognized effector, facilitating durable resistance against P. infestans.
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