猪痢疾蛇形螺旋体诱导蔗糖酶活性的产生。
Production of an inducible sucrase activity by Serpulina hyodysenteriae.
作者信息
Jensen N S, Stanton T B
机构信息
Physiopathology Research Unit, U.S. Department of Agriculture, Ames, Iowa 50010.
出版信息
Appl Environ Microbiol. 1994 Sep;60(9):3429-32. doi: 10.1128/aem.60.9.3429-3432.1994.
Abstract
Strains of Serpulina hyodysenteriae and Serpulina innocens produced a cell-associated sucrase activity when grown in a medium containing sucrose. S. hyodysenteriae B204 sucrase activity cleaved sucrose and, to a lesser extent, raffinose and had a pH optimum of 5.7 to 6.2. This is the first report of an inducible enzyme produced by either S. hyodysenteriae or S. innocens.
摘要
当生长在含有蔗糖的培养基中时，猪痢疾蛇形螺旋体菌株和无害蛇形螺旋体菌株产生了一种与细胞相关的蔗糖酶活性。猪痢疾蛇形螺旋体B204的蔗糖酶活性可分解蔗糖，在较小程度上也能分解棉子糖，最适pH为5.7至6.2。这是关于猪痢疾蛇形螺旋体或无害蛇形螺旋体产生诱导酶的首次报道。
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