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Pakistan Journal of Biological Sciences
  Year: 2013 | Volume: 16 | Issue: 23 | Page No.: 1823-1825
DOI: 10.3923/pjbs.2013.1823.1825
 
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Standardization of DNA Extraction from Methanol Acetic Acid Fixed Cytogenetic Cells of Cattle and Buffalo

Rosaiah Kotikalapudi, Rajesh K. Patel and Sanghamitra Katragadda

Abstract:
The aim of the study is to standardize the simple method for extracting DNA from cells fixed in fixative (3:1 ratio of methanol and acetic acid glacial) mostly used for chromosomal studies in cattle and buffaloes. These fixed cells were stored for more than 6 months at refrigerated temperature. The fixed cells were washed 2-3 times by the ice cold 1x Phosphate Buffer Saline (PBS) with pH 7.4, so that effect of fixative may be eliminated. The genomic DNA was extracted by adding cell lysis and nucleus lysis buffers. The quality and quantity of DNA were estimated. The readings of nano drop and agarose gel electrophoresis indicate good quality DNA isolated with a rapid and simple protocol routinely using in our laboratory. The method enables us to study the DNA of a cattle and buffaloes after completing cytogenetic investigation or in cases where DNA samples are otherwise not available. This protocol may be useful for molecular analysis of DNA from fixed cells palettes.
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How to cite this article:

Rosaiah Kotikalapudi, Rajesh K. Patel and Sanghamitra Katragadda, 2013. Standardization of DNA Extraction from Methanol Acetic Acid Fixed Cytogenetic Cells of Cattle and Buffalo. Pakistan Journal of Biological Sciences, 16: 1823-1825.

DOI: 10.3923/pjbs.2013.1823.1825

URL: https://scialert.net/abstract/?doi=pjbs.2013.1823.1825

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