A simple and efficient protocol for high quality of DNA from Vitis quandrangularis L.
AbstractVitis quadrangularis L., popularly known as Hadsankal in Saurashtra region, exhibits quadrangular and flat stems structure. The
present study was aimed to establish efficient protocol for DNA extraction and to evaluate taxonomic status of morphological
variants using molecular characterization method RAPD. Three protocols were tested and the final protocol was modified and
optimized for high quality DNA. Third protocol was CTAB and SDS based method, developed by adding higher concentration of
CTAB and NaCl with an aim to remove polysaccharides, and extra PVP as a phenols and polyphenols remover. It resulted into
high quality DNA with average purity of 1.8 and yield 200g per gm stem tissue that appropriate for molecular characterization.
For molecular marker analysis total 20 decamer primers of OPA series were tested and among them four primers successfully
revealed 42.10 % polymorphism. Thus, the results adequately discriminate the morphological variants.
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