Assertion: l threonine | /r/CapableOf | comprise culturing sarcina lutea
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Source sentences:
text: A method of producing L-threonine which comprises (a) culturing Sarcina lutea at a temperature from 24 to 37 C., and at a pH from 4 to 7 in culture medium containing carbon source, nitrogen source and inorganic salt, (b) introducing L-homoserine into the medium direct after the Sm'cina lutea commences to increase logarithmically, and (c) accumulating L-threonine in the medium.