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. 2014 Sep 26;5:494. doi: 10.3389/fpls.2014.00494

Figure 6.

Figure 6

Postulated model of regulation of ethylene and auxin biosynthesis, of auxin transport and of ethylene and auxin signal perception at transcriptome level during AR formation in petunia cuttings. Red lettering marks important stimulating factors. Red arrows indicate the evident influence of PAT on IAA accumulation based on the results of Ahkami et al. (2013) and of injury on expression of ACSs, ACOs, ERFs, and IAA-AAH based on the present study. Red dashed arrows indicate hypothetically involved controls of gene expression based on the literature. Green dashed arrows indicate hypothetic links from gene expression to IAA levels based on the literature. For further explanation, see the text.