METHOD FOR CULTIVATING MICROORAGNISM CAPABLE OF PRODUCING THREONINE AND CULTIVATION MATERIAL USED THEREFOR

摘要

PURPOSE:To obtain threonine with high productivity, by cultivating a microorganism capable of producing the threonine under irradiation with light containing rays of light within a wavelength region of a specific wavelength and above. CONSTITUTION:A microorgamism of producing threonine, preferably of the genuses Corynebacterium, Escherichia and Brevibacterium is cultivated under irradiation with light containing substantially rays of light with a wavelength region of at least 280nm and above, preferably 600-800nm preferably at 5,000- 1muw/cm2 intensity to afford the aimed threonine.