Jasmonic acid influence on the activity of hyp-1 gene in St. John’s wort (Hypericum perforatum) Journal title: Journal of Biodiversity and Environmental Sciences (JBES) Authors: Elahe Haqqi-Tilaki, Nader Farsad-Akhtar, Nasser Mahna, Rouhollah Motafakkerazad, Hanieh Mohajjel-Sho... Subject(s): Biological Sciences, Environmental Sciences, Biology