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. 2013 Oct 21;2(4):650–675. doi: 10.3390/plants2040650

Figure 1.

Figure 1

Scheme of auxin-induced Ca2+ signals. (Left) Canonical SCFTIR1/AFB-mediated auxin signaling; (Right) ABP1-mediated auxin signaling. The curved arrow represents a hypothetical model in which Ca2+ acts as a connecting signal between ABP1 and SCFTIR1/AFB signaling cascades.