A Simple and Rapid Procedure for Isolation of Total DNA Suitable for Fingerprint Analysis from shape Amaranthus

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A simple, efficient and reliable method is described for isolation of total DNA from young leaves of Amaranthus species. This procedure yields a high amount (600–800 μg DNA/g fresh leaf tissue) of good quality DNA free from contaminating proteins, polysaccharides, and coloured pigments. The DNA is suitable for digestion with several restriction endonucleases, preparation of Southern blots, and PCR amplification. The DNA has been successfully used for generating DNA fingerprint profiles and RAPD banding patterns in two species of Amaranthus. The procedure is suitable for processing of a large number of samples simultaneously.

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