Abstract:A clinical method for effective genetic screening of the aldehyde dehydrogenase 2 (ALDH2) gene was developed, using the fingernail as a source of DNA material. A highly effective protease that could solubilize fingernail keratin and inactivate any DNase co-existing in the tissue was obtained by cloning and sequencing the gene for alkaline protease from Bacillus alcalophilus, followed by expression of the gene in Bacillus subtilis. The amino acid sequence of MIB029 protease contained common regions found in fou… Show more
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