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Pathogen secreted cell wall degrading enzymes (CWDEs) induce plant innate immune responses. The expression of rice transcription factor, APETALA2/Ethylene response factor-152 (OsAP2/ERF152) is enhanced in leaves upon treatment with different… Click to show full abstract
Pathogen secreted cell wall degrading enzymes (CWDEs) induce plant innate immune responses. The expression of rice transcription factor, APETALA2/Ethylene response factor-152 (OsAP2/ERF152) is enhanced in leaves upon treatment with different CWDEs and upon wounding. Ectopic expression of OsAP2/ERF152 in Arabidopsis leads to induction of immune responses like callose deposition and upregulation of both salicylic acid (SA) and jasmonic acid/ethylene (JA/ET) responsive defense genes. Arabidopsis transgenics expressing OsAP2/ERF152 exhibited resistance to infections caused by both bacterial and fungal pathogens, Pseudomonas syringae pv. tomato DC3000 and Rhizoctonia solani AG1-IA, respectively. Ectopic expression of OsAP2/ERF152 results in transient activation of mitogen-activated protein kinases 3/6 (MAPKs; MPK3/6) which could be leading to the induction of a broad range immunity in Arabidopsis.
Journal Title: Phytopathology
Year Published: 2020
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