1995 Volume 59 Issue 8 Pages 1464-1471
Esterase activity of Brevibacterium linens 62 and Brevibacterium sp. R312 was detected. Each strain had esterase activities that hydrolyzed p-nitrophenyl acetate and α-naphthyl acetate. Biosynthesis and optimum pH and temperature of the two esterase activities showed that the latter were caused by different esterases. The influence of the culture medium and the growth substrate on biosynthesis of the esterase systems were studied. Hydrolysis of methylthioacetate and phenethyl acetate by cell extracts of the two strains was done. No enzymatic ester synthesis reaction was observed. However, transfer reactions by cell extracts of the two strains were done.
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