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The SlWRKY6-SlPROPEP-SlPep module confers tomato resistance to Phytophthora infestans

Scientia Horticulturae. 2023-08; 
Ruirui Yang , Jie Liu , Zhicheng Wang , Lei Zhao , Tingting Xue , Jun Meng , Yushi Luan
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Peptide Synthesis A 23-amino acid peptide corresponding to the predicted SlPep active peptide sequence was synthesized by genscript Biotechnology Co., Ltd. (Nanjing, China). Get A Quote

摘要

Tomato constitutes a primary agricultural industry, but its production is severely impaired by Phytophthora infestans (P. infestans). Although identifying numerous resistance genes, the molecular mechanisms underlying tomato resistance to P. infestans remain elusive. Here, we identified SlPep, a plant elicitor peptide that confers resistance to P. infestans in tomato. SlPep originates from the C terminus of the precursor protein, SlPROPEP, in tomato. The expression of SlPROPEP was transcriptionally induced upon P. infestans infection. And, transiently overexpressing of SlPROPEP enhanced tomato resistance by elevating the levels of reactive oxygen species and pathogenesis-related genes, whereas silencing of SlPR... More

关键词

TomatoSlPROPEPSlWRKY6SlPepP. infestansDisease resistance