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Fig. 7 | BMC Plant Biology

Fig. 7

From: Salicylic acid-primed defence response in octoploid strawberry ‘Benihoppe’ leaves induces resistance against Podosphaera aphanis through enhanced accumulation of proanthocyanidins and upregulation of pathogenesis-related genes

Fig. 7

Model depicting the potential regulatory mechanisms involved in resistance to P. aphanis in strawberry leaves primed by SA. In SA-pretreated plants, several genes related to resistance to P. aphanis were activated: genes involved in flavonoid biosynthesis, SA biosynthesis, and SA signal transduction. SA induced strawberry the expression of PR genes (PR1, PR2, PR3, and PR5). Among the transcription factors involved in the plant hormone signal transduction pathways, FaTGA, FaWRKY70, and FaMYC2 were highlighted as possible regulators of the network of SA-induced defence. PAs acts in an antifungal manner and accumulate through stimulation of their biosynthesis genes, suggesting a potential role in defence against P. aphains

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