MOLECULAR-CLONING AND CHARACTERIZATION OF AN EXTRACELLULAR PROTEASE GENE FROM AEROMONAS-HYDROPHILA

被引:47
作者
RIVERO, O [1 ]
ANGUITA, J [1 ]
PANIAGUA, C [1 ]
NAHARRO, G [1 ]
机构
[1] UNIV LEON, FAC VET, UNIDAD MICROBIOL, DEPT PATOL ANIM SANIDAD ANIMAL, E-24071 LEON, SPAIN
关键词
D O I
10.1128/jb.172.7.3905-3908.1990
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
A structural gene which codes for an extracellular protease in Aeromonas hydrophila SO2/2 and D13 was cloned in Escherichia coli C600-1 by using pBR322 as a vector. The gene codes for a temperature-stable protease with a molecular mass of approximately 38,000 daltons. The protein was secreted to the periplasm of E. coli C600-1 and purified by osmotic shock. Cloned protease (P3) was identical in molecular mass and properties to the one purified from A. hydrophila SO2/2 culture supernatant as an extracellular product.
引用
收藏
页码:3905 / 3908
页数:4
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