FIELD: biotechnology, microbiology, biochemistry. SUBSTANCE: strain Bacillus licheniformis-99 is obtained by multistep genetic selection using ultraviolet irradiation with simultaneous effect by chemical mutagens. The strain is depo- sited in All- Russian collection of microorgansims at Institute of biochemistry and physiology of microorganisms named for G. K. Skryabin RAS at number VKM B-2220 D. For growth of culture and biosynthesis of keratinase starch, hydrolyzed starch, corn, soybean or any other cereal flour or their extracts and yeast cells, peptone, yeast extract, casein, feather flour, urea and ammonium nitrogen can be used as the source of carbon and nitrogen. The strain shows high keratinolytic activity that ensures to prepare high-active keratinase preparations. Invention can be used in aviculture and animal husbandry, in leather and food industry also. EFFECT: strain indicated above, high activity of keratinase. 1 tbl, 2 ex
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