ENHANCEMENT OF BETA-GALACTOSIDASE PRODUCTIVITY OF ASPERGILLUS-NIGER NCIM-616

被引：13

作者：

RASOULI, I ^{[1
]}

KULKARNI, PR ^{[1
]}

机构：

[1] UNIV BOMBAY,DEPT CHEM TECHNOL,DIV FOOD & FERMENTAT TECHNOL,BOMBAY 400019,MAHARASHTRA,INDIA

来源：

JOURNAL OF APPLIED BACTERIOLOGY | 1994年 / 77卷 / 04期

关键词：

D O I：

10.1111/j.1365-2672.1994.tb03435.x

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：

A series of mutations was carried out with Aspergillus niger NCIM-616 as the parent strain. A mutant strain NG-4 with 28% increased beta-galactosidase productivity was produced with N-methyl-N-nitro-N-nitrosoguanidine (NTG) at 1500 mu g ml(-1) concentration and exposure time of 60 min. This mutant yielded a third generation u.v.-treated strain, UV-5 with a 117.6% increase in beta-galactosidase productivity with respect to the parent strain.

引用

页码：359 / 361

页数：3

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