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DNA Extraction from Formalin Fixed Coilia macrognathos Fin Tissues

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DOI: 10.4236/as.2014.512119    2,943 Downloads   3,407 Views Citations


Approximately 200 mg of fin tissue from each specimen was cut into pieces and treated with a gradient of ethanol (65%, 70%, 75%, 80%, 85%, 90%, 95% and 100%) and then DNA was extracted from formalin fish fin tissues. Agarose gel visualization of the DNA confirmed DNA extracted. MtDNA cyt b gene banding pattern of samples with agarose gel was clearly visible and could be used to be sequenced. In terms of DNA purity, the 260/280 ratio of 87.5% samples ranged between 1.8 and 2.0, indicating that DNA of the majority of the samples was pure. The developed DNA extraction procedure from formalin fish fin tissues by pretreatment with a gradient of ethanol system will be a useful tool to study the genetic structure and phylogenesis of endangered fish, by specimens preserved formalin-fixed in museum and herbarium.

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Yuan, X. , Li, H. , Wang, C. and Hong, B. (2014) DNA Extraction from Formalin Fixed Coilia macrognathos Fin Tissues. Agricultural Sciences, 5, 1097-1099. doi: 10.4236/as.2014.512119.

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