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논문 기본 정보

자료유형
학술저널
저자정보
Hong, Sung-Soo (Department of Anthropology, Pennsylvania State University , Departments of Molecular Biology and Research Center for Cell Differentiation, College of Natural Sciences, Seoul National Un) Lee, Chung-Choo (Departments of Biology and Research Center for Cell Differentiation, College of Natural Sciences, Seoul National University)
저널정보
한국통합생물학회 Korean journal of biological sciences Korean journal of biological sciences 제3권 제1호
발행연도
1999.1
수록면
73 - 78 (6page)

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Although there are several methods for the preparation of mitochondrial DNA (mtDNA) from mammalian tissues, most are relatively long ultracentrifugation or manipulations by a small-scale method. We escribed a rapid method for large-scale extraction of mtDNA from human placental and horse liver tissues. The method is based on the preparation and homogenization of tissues, urification of crude mitochondria by differential centrifugations and isolation of mtDNA by alkaline Iysis. It was improved from Pre-existing methods by replacing some steps with simpler ones and discarding many others. This method gives a high yield of pure mtDNA(approximately 1-5mg from one placenta; ca. 400-600 g wet weight), depending on its sources (fresh tissue gave better results than frozen one). The resulting mtDNA indicated that this method can yield mtDNA in sufficient purity and quantity to identify the direct restriction analysis on agarose gel, random-primed labeling as a probe, and end labeling. Therefore, the method is ideal for obtaining good mtDNA samples to conduct routine restriction fragment length polymorphism (RFLP) analyses of natural populations for genetic studies.

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