Control of xylanase production without protease activity in Bacillus sp by selection of nitrogen source

被引:42
作者
Subramaniyan, S [1 ]
Sandhia, GS [1 ]
Prema, P [1 ]
机构
[1] CSIR, Reg Res Lab, Biochem Proc & Waste Water Technol Div, Trivandrum 695019, Kerala, India
关键词
Bacillus; nitrogen sources; protease; xylanase;
D O I
10.1023/A:1005663704321
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
Maximum xylanase activity, of 380 IU ml(-1), with negligible protease activity, occurred when Bacillus SSP-34 was grown for 96 h with yeast extract and peptone each at 0.25%. Other concentrations of the combination gave xylanase activities less than 66% of that with the optimum nitrogen source concentration and protease activities in the range of 0.01-0.045 IU ml(-1).
引用
收藏
页码:369 / 371
页数:3
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