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IJEB Vol.45(11) [November 2007] >


Title: A non-invasive technique for rapid extraction of DNA from fish scales
Authors: Kumar, Ravindra
Singh, Poonam Jayant
Nagpure, N S
Kushwaha, Basdeo
Srivastava, S K
Lakra, W S
Keywords: DNA extraction
Fishes
Non-invasive
Scales
Issue Date: Nov-2007
Publisher: CSIR
Abstract: DNA markers are being increasingly used in studies related to population genetics and conservation biology of endangered species. DNA isolation for such studies requires a source of biological material that is easy to collect, non-bulky and reliable. Further, the sampling strategies based on non-invasive procedures are desirable, especially for the endangered fish species. In view of above, a rapid DNA extraction method from fish scales has been developed with the use of a modified lysis buffer that require about 2 hr duration. This methodology is non-invasive, less expensive and reproducible with high efficiency of DNA recovery. The DNA extracted by this technique, have been found suitable for performing restriction enzyme digestion and PCR amplification. Therefore, the present DNA extraction procedure can be used as an alternative technique in population genetic studies pertaining to endangered fish species. The technique was also found equally effective for DNA isolation from fresh, dried and ethanol preserved scales.
Page(s): 992-997
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Source:IJEB Vol.45(11) [November 2007]

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