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Molecular Biology Research Communications، جلد ۱۲، شماره ۱، صفحات ۱-۱۶
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عنوان انگلیسی Comparison of five DNA extraction methods in three medicinal plants: Peganum harmala L., Tamarix ramosissima Ledeb., and Potentilla reptans L.
چکیده انگلیسی مقاله Extracting high-yield, high-quality DNA from plant samples is challenging due to the presence of the cell wall, pigments, and some secondary metabolites. The main CTAB method, two of its modified protocols (beta-mercaptoethanol or ammonium acetate were eliminated), the modified Murray and Thompson method, and the Gene All kit were statistically compared based on the quantity and quality of the total DNA (tDNA) extracted from fresh and dried leaves of three medicinal herbs P. harmala, T. ramosissima, and P. reptans. The suitability of the tDNAs for molecular studies was evaluated by polymerase chain reaction (PCR) of the fragments of the internal transcribed spacer (ITS) in nuclear DNA and the trnL-F region in chloroplast DNA. Some significant differences were found between the tDNAs extracted by five extraction methods. With the exception of P. harmala, where the PCR of both the ITS fragments and the trnL-F region worked successfully in all DNA samples, but only the ITS fragments, not the chloroplast trnL-F region, were amplified in the DNA samples of T. ramosissima and P. reptans. The chloroplast trnL-F region was amplified only in DNA samples extracted from fresh and dried leaves of the three studied herbs using the commercial kit. Gene All kit, the main CTAB method, and its modified protocols were the less time-consuming protocols that yielded DNA suitable for downstream PCR vis-a-vis the modified Murray and Thompson method.
کلیدواژه‌های انگلیسی مقاله Peganum harmala L, Tamarix ramosissima Ledeb, Potentilla reptans L, DNA extraction, CTAB, Murray and Thompson method
نویسندگان مقاله Zahra Salehi |
School of Biology, Damghan University, Damghan, Semnan, Iran

Atefe Amirahmadi |
School of Biology, Damghan University, Damghan, Semnan, Iran

Arezou Rezaei |
School of Biology, Damghan University, Damghan, Semnan, Iran

Parisa Farrokh |
School of Biology, Damghan University, Damghan, Semnan, Iran

Javad Ghasemian |
School of mathematics and computer sciences, Damghan University, Damghan, Semnan, Iran

نشانی اینترنتی https://mbrc.shirazu.ac.ir/article_6972_a3638beeecc79dbc7b078f9ac28ec4e3.pdf
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