Bacteria are used in industry in a number of ways that generally exploit their natural metabolic capabilities. They are used in manufacture of foods and production of antibiotics, probiotics, drugs, vaccines, starter cultures, insecticides, enzymes, fuels and solvents. In addition, with genetic engineering technology, bacteria can be programmed to make various substances used in food science,agriculture and medicine. Это и многое другое вы найдете в книге Production of ?-galactosidase from Lactobacillus (Pooja Pandey,Saurabh Dave and Hardik Pathak)