The role of Gibberellic acid on some physiological responses of transgenic tobacco (Nicotiana tabacum L.) plant carrying Ri T-DNA
محل انتشار: مجله سلول و تحقیقات مولکولی، دوره: 3، شماره: 2
سال انتشار: 1390
نوع سند: مقاله ژورنالی
زبان: فارسی
مشاهده: 332
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شناسه ملی سند علمی:
JR_JCMR-3-2_005
تاریخ نمایه سازی: 7 بهمن 1395
چکیده مقاله:
Transgenic and non transgenic Nicotiana tabacum L (cultivar Wisconsin) containing Ri T-DNA were treated with 0, 0.2 and 0.4 mgL-1 GA3 in Murashig and Skoog medium. Some physiological parameters including shoot length, leaf area, number of auxiliary bud, fresh and dry weight, number and length of trichomes were measured. Shoot length, fresh weight and dry weight were increased but number of trichome did not change by GA3 treatment. Chlorophyll, carotenoid and anthocyanin pigments of leaf were decreased. Auxin and gibberellic acid content of leaf and root were also measured. Exogenous GA3 increased root auxin in the transgenic plants while it did not change in shoot. GA3 treatment increased gibberellin content in both of root and shoot
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نویسندگان
Jalil Abbaspour
Department of Biology, Faculty of Science, University of Isfahan, Isfahan, Iran
Ali Akbar Ehsanpour
Department of Biology, Faculty of Science, University of Isfahan, Isfahan, Iran
Fariba Amini
Department of Biology, Faculty of Science, Arak University, Arak, 38156-8-8349, Iran