Fig. 9.1 Human Insulin Production

Fig. . Human Insulin Production Human pancreas cell DNA Human insulin Recombinant Bacterium Human insulin-producing gene Introduction of recombinant DNA into a bacterial cell Fermentation Tank Recombinant DNA Plasmid DNA Bacterial DNA Bacterium Plasmid DNA cut with restriction enzymes Human insulin B chain Insulin COOH H N H N COOH A chain S S S S S S B chain A chain C chain COOH H N Pre pro insulin Signal peptide B chain Pro insulin C chain A chain H N COOH S S S S Extraction & purification of human insulin Recombinant bacteria multiplying and producing human insulin in fermentation tank XII Std Biology-Zoology Chapter- XII Std Biology-Zoology Chapter- Applications of Biotechnology In , Rosie, the first transgenic cow produced human protein enriched milk, which contained the human alpha lactalbumin. The protein rich milk ( . gm/litre) was a nutritionally balanced food for new born babies than the normal milk produced by the cows.