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Figure 6 | BMC Plant Biology

Figure 6

From: Brassinosteroid-mediated stress tolerance in Arabidopsis shows interactions with abscisic acid, ethylene and salicylic acid pathways

Figure 6

Proposed model for interaction of BR with SA, ABA and ET in mediating stress tolerance. BR positively regulates SA pathway components NPR1 and WRKY70 to mediate thermotolerance and defense gene expression, respectively. ABA suppresses BR effects on thermotolerance, but BR may enhance ABA responses under certain conditions by increasing ABA levels. BR can enhance salt tolerance through an ET-independent pathway or ET-dependent pathway. The dashed arrows represent BR responses, while solid arrows indicate other hormone pathways.

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