CHITINASE PRODUCTION BY TALAROMYCES-EMERSONII

被引:21
作者
MCCORMACK, J [1 ]
HACKETT, TJ [1 ]
TUOHY, MG [1 ]
COUGHLAN, MP [1 ]
机构
[1] NATL UNIV IRELAND UNIV COLL GALWAY, DEPT BIOCHEM, GALWAY, IRELAND
关键词
D O I
10.1007/BF01086326
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Talaromyces emersonii, when grown on medium containing chitin, yielded extracellular chitinase and chitobiase activities of 0.45-mu-mol.h-1.ml-1 culture fluid and 1.4-mu-mol.min-1.ml-1, respectively, after 2-4 days of growth under pH-controlled conditions. The enzyme system was optimally active at pH 5.0-5.5, c. 65-degrees-C and the least stable components had half-lives of 20 min at 76-degrees-C, pH 5.0.
引用
收藏
页码:677 / 682
页数:6
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