Isolated microspore culture in eggplant and inducing heart-shaped embryos
سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 73
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شناسه ملی سند علمی:
JR_IJGPB-11-2_004
تاریخ نمایه سازی: 4 آذر 1402
چکیده مقاله:
In many crops, androgenesis is one of the most common methods for in vitro haploid induction. The most effective technique in this system is the isolated-microspore culture, in which haploid cells are reprogrammed to follow the sporophytic pathway. But this pathway has been stopped at the globular shape stage of embryogenesis in eggplant, and efforts are still being made to overcome this problem. In this study, the effects of different concentrations of gum arabic, sucrose, and plant growth regulators (۶-Benzylaminopurine, BAP, and ۱-Naphthaleneacetic acid, NAA) were evaluated on isolated microspore cultures from two cultivars of eggplant. In cultivar Ricarda, the highest number of microspore-derived calli (۷۱۱.۴ per Petri dish) was produced when ۲۰۰۰ mg/l gum arabic, ۲% sucrose, ۰.۵ mg/l BAP, and ۰.۵ mg/l NAA were used together. By combining ۲۶۰۰ mg/l gum arabic, ۲% sucrose, and ۰.۵ mg/l BAP and NAA, the cultivar Chantale produced the most calli (۲۳۰.۳۳ per Petri dish; ۵.۲۷-fold higher than the control (۴۳.۷۳ per Petri dish). In addition, the results showed that heart-shaped embryos could be produced in eggplant. The culture of microspores of cultivar Ricarda in NLN medium supplemented with ۲۶۰۰ mg/l of gum arabic, ۲% sucrose, ۰.۵ mg/l BAP, and ۰.۵ mg/l NAA led to the developmental progression of some of the globular structures. In fact, the globular embryos were induced to develop into heart-shaped embryos, which is a promising step forward in the process of eggplant microspore embryogenesis.
کلیدواژه ها:
نویسندگان
مژگان هاشمی
Department of Plant Genetics and Breeding, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
احمد معینی
Department of Plant Genetics and Breeding, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
محمد صادق ثابت
Department of Plant Genetics and Breeding, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
علی مختصی بیدگلی
Department of Agronomy, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
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