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Isolation of high-molecular-length DNA from human skin
P V Bennett1, R W Gange, H Hacham
1Biology Department, Brookhaven National Laboratory, Upton, NY 11973-5000, USA.
Biotechniques
|September 1, 1996
Summary
A new agarose plug method efficiently isolates high-molecular-length DNA from challenging mammalian tissues like skin. This technique yields intact DNA suitable for various molecular analyses and is adaptable for field or clinical use.
Area of Science:
- Molecular Biology
- Genomics
- Biochemistry
Context:
- Isolating high-molecular-weight DNA is crucial for genomic studies.
- Mammalian tissues, especially skin, present challenges for DNA extraction.
- Existing methods may result in DNA fragmentation.
Purpose:
- To develop a robust method for isolating intact, high-molecular-length DNA from mammalian tissues.
- To overcome limitations of current DNA isolation techniques for difficult tissues.
Summary:
- A novel agarose plug method effectively isolates high-molecular-length DNA from mammalian tissues, including skin.
- The method provides high yields of DNA with minimal single-strand breaks.
- Isolated DNA is readily digested by restriction enzymes and other nucleases.
Impact:
- Facilitates advanced genomic research and diagnostics.
- Enables reliable DNA analysis from challenging biological samples.
- Offers a simple, adaptable technique for diverse research and clinical settings.