离子注入改良维生素C二步发酵混合菌研究(Ⅰ)2-酮基-L-古龙酸高产菌系IPPM-1028的选育  

Improvement of Mingle Strains in the Fermentation of 2 Keto L Gulonic Acid——Precursor of Vc by Ion Implantation

作　　者：许安[1] 姚建铭[1] 余增亮[1] 

机构地区：[1]中国科学院等离子体物理研究所

出　　处：《工业微生物》1998年第4期21-24,共4页Industrial Microbiology

基　　金：国家"九五"攻关项目

摘　　要：利用离子注入技术选育出２－酮基－Ｌ－古龙酸高产菌系ＩＰＰＭ－１０２８，其转化率较出发菌Ｍ－２９８０提高１８．８％。经传代实验证明，其遗传性状较为稳定，４代平均转化率可达９５．０％。Strain IPPM 1028 high yielding 2 Keto L Gulonic acid was screened by the technology of ion implantation.The convertion rate was increased by 18.8% compared with that of strain M 2980.Its genetic quality was proved stable by experiments.The average convertion rate of four generations was 95.0%.

关 键 词：离子注入 选育 高产菌系 维生素C 

分 类 号：TQ924[轻工技术与工程—发酵工程] TQ920.1