Comparison and improvement of DNA extraction methods in Buxus hyrcana
Publish place: Journal of plant molecular breeding، Vol: 7، Issue: 2
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JPMB-7-2_003
تاریخ نمایه سازی: 17 خرداد 1401
Abstract:
Buxus hyrcana is one of the endangered and evergreen species of the Hyrcanian forests in Iran. The genetic diversity assessment is an essential step towards the conservation of this species. High-quality DNA is required for molecular markers analysis; therefore, we compared different DNA extraction methods on leaf samples of B. hyrcana. The quantity and quality of the extracted DNAs were evaluated by spectrophotometry and gel electrophoresis. Also, ISSR (Inter simple sequence repeats) markers were applied on the extracted DNAs to compare their quality for PCR amplification. Results showed that quantity, quality, and PCR efficiency and reproducibility were different for DNA extracted using different methods. The quality of the DNA at the absorbance A۲۶۰/A۲۸۰ ratio ranged from ۱.۰۲ to ۱.۹۷. The highest concentration of DNA measured by spectrophotometry belonged to the Cota-Sanchez extraction protocol (۶۹۵.۳ ng/ml) and the lowest value was obtained with Edward۴ method (۲۰۴.۷ ng/ml). The modified Onate method (Onate۲) was extracted the highest DNA concentration by comparison of brightness against the DNA ladder. Among the different extraction methods, the good quality and quantity were obtained in extracted DNA for Doyle and Doyle, Cota-Sánchez and modified Onate protocols; the latter method (Onate۲) created both good quality and quantity of extracted DNA and operated effectively in terms of cost and time. Onate۲ had the best amplification results with ISSR primers.
Authors
Khadijeh Esmaeilnezhad
Faculty of Agriculture and Natural Resources, Higher Education Complex of Shirvan, Iran
Mohammad Zare Mehrjerdi
Faculty of Agriculture and Natural Resources, Higher Education Complex of Shirvan, Iran
Mahmoud Ghorbanzadeh Naghab
Faculty of Agriculture and Natural Resources, Higher Education Complex of Shirvan, Iran
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