Abstract

In 1973, recombinant DNA technology was born and the age of the “new biotechnology” came upon us. Today we are seeing the amazing results of recombinant DNA technology, hybridoma technology, enzyme engineering and protein engineering. These techniques are exerting major effects on basic research and on health care, diagnostics and agriculture and soon will bring about changes in other industries such as petroleum, mining, foods and chemicals. Entire pathways of primary and secondary metabolism have been cloned and expressed in foreign microorganisms. The development of recombinant DNA technology is having its major impact on the production of rare polypeptides such as mammalian enzymes, hormones, antibodies and biological response modifiers. In addition to natural polypeptides, analogs are being produced by recombinant DNA technology and this has added an extra dimension of excitement to the field. The future is thus insured for the expanded use of microorganisms in the biotechnological world and the continued improvement in microbial processes to reduce the cost of drugs, enzymes and specialty chemicals.

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