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Research Article Open access CC BY 3.0

Different Methods for DNA Extraction from Yeast-Candida famata Isolated from Toddy

T. Santra, S. K. Ghosh, A. Chakravarty

Biotechnology Journal International · pp. 64–73 · Published 9 Nov 2013

10.9734/BBJ/2014/4884

Abstract

Aims: Isolation and biochemical characterization of yeasts from toddy and standardization of best method for DNA extraction from yeast. Study Design: Biochemical characterization of yeast and genomic DNA extraction by manual and kits methods. Place and Duration of Study: Department of Microbiology, Institute of Genetic Engineering, Badu, kol-128, India and  Molecular Mycopathology Lab, P. G. Department of Botany, Ramakrishna Mission Vivekananda Centenary College, Rahara, kol-118, India, from November 2012 –April,2013. Methodology: Toddy was collected in sterilized polythene bags from palm tree (Borassus flabellifer L; Family: Arecacea) in the morning, from Badu, 24-parganas (N) India. Isolation of yeasts was done by the method of Beech and Davenport [15] using MA (Malt extract) medium. Biochemical Identification was performed by using basal medium and procedure [1,2,15]. Genomic DNA extraction was done by manual and kits methods (UniflexTM DNA isolation Kit). Quality of extracted DNA was checked by the absorbance ratio (A260 / A280) ranged from 1.8 to 2.0. Results: By performing morphological, microscopical and biochemical characterization the isolated yeast from toddy was identified as Candida famata consulting with the key of yeast published [1,2]. The UniflexTM DNA isolation Kit method is much more convenient way to get pure and high quality DNA than the manual methods.                       Conclusion:  Isolated yeast from toddy was identified as Candida famata. The genomic DNA of Candida famata was extracted purely by UniflexTM DNA isolation Kit. This method was better and more convenient than manual method.

Toddy Yeast biochemical characterization DNA extraction Kit method

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