پژوهشگر

همکاران پژوهشگر

چکیده پژوهش

There are some bacteria and fungi which are capable to produce gibberellins or gibberellin-like substance. Moreover, the supportive role of these fungi and bacteria has been also demonstrated. The Stevia (Stevia rebaudiana L.) metabolites especially steviol glycosides are produced from a shared biosynthetic pathway with gibberellins. The steviol glycosides are natural sweeteners, which are highly sweeter than sucrose while do not absorb by the human body. So, these natural compounds can be used as a sucrose alternative in the human diet and also can use safely for diabetic patients. In this research, the Stevia will inoculate with many of the fungi and bacteria producing gibberellins and gibberellin-like substance. Thereafter, the Stevia secondary metabolites (mainly steviol glycosides) will be analyzed in order to find on the microbial main effects on the steviol glycosides biosynthesis in the leaves. The main objective of this research is the metabolites biosynthesis induction by fungi and bacteria in the Stevia, propelling the increase the natural sweeteners in the Stevia leaves.

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