Tissue Culture and Production of Volatile Secondary Metabolites from Callus of Stevia rebaudiana at Different Combination of Plant Growth Regulators
محل انتشار: مجله فرآیند و کارکرد گیاهی، دوره: 7، شماره: 28
سال انتشار: 1397
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 137
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شناسه ملی سند علمی:
JR_JISPP-7-28_007
تاریخ نمایه سازی: 13 دی 1400
چکیده مقاله:
Stevia rebaudiana Bert (Asteraceae) is herbaceous plant with sweet leaves, which are the source of sweetener products. The present study focuses on effects of different combination of plant growth regulators on callus induction, callus cell growth and regeneration and volatile constituents from callus of stevia in tissue culture condition. The results of present study showed callus formation promoted in all of media contained phytohormones of different auxin/cytokinin based combinations. However, NAA/BA combinations are significantly more effective to callus initiation and the highest amount of callus was obtained in medium supplemented with ۱.۵:۲ mg/L of NAA/BA. It was revealed that shoot induction in callus was happen at hormonal treatments as IBA/BA and IBA/KIN (۰.۵:۱.۵ mgl-۱). High rooting obtained in media supplemented with NAA/KIN (۱.۵:۰.۵ mgl-۱). The results of GC-MS analyses of volatile constituents of calli showed that the callus oil obtained in media supplemented with NAA/Kin (۱.۵:۰.۵ mgl-۱). The NAA/Kin treatment with ۱:۰.۵ mgl-۱ concentration was dominated with squalene (۴۰.۵۰%) as main compound. The callus formed in media contained NAA/BA was enriched with Tricosane (۳۸.۵۷%). In addition, phytol (۱۱.۶۹%, ۶.۹۲%) was regarded as major constituent of the oil obtained from cultures supplemented with IBA/Kin and IBA/BA, respectively. It was concluded that there was a considerable differences in the essential oil profile of callus induced from different hormonal combinations. It is thought that various hormonal treatments may be tending to changes in metabolic pathways.
کلیدواژه ها:
نویسندگان
Seyed Mehdi Razavi
University of Mohaghegh Ardabili
Farahrouz Zahri
University of Mohaghegh Ardabili
Mesomeh Abedini
University of Mohaghegh Ardabili
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