FERMENTATION OF LACTOSE TO ETHANOL WITH RECOMBINANT YEAST IN AN IMMOBILIZED YEAST MEMBRANE BIOREACTOR

被引:14
|
作者
JEONG, YS
VIETH, WR
MATSUURA, T
机构
[1] RUTGERS STATE UNIV,DEPT CHEM & BIOCHEM ENGN,PISCATAWAY,NJ 08855
[2] NATL RES COUNCIL CANADA,INST ENVIRONM CHEM,OTTAWA K1A 0R6,ONTARIO,CANADA
关键词
SACCHAROMYCES; LACTOSE FERMENTATION; GLUCOSE FERMENTATION; REVERSE OSMOSIS MEMBRANE;
D O I
10.1002/bit.260370614
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 novel concept of membrane bioreactor in which living cells are sandwiched between ultrafiltration (UF) and reverse osmosis (RO) membranes was applied for lactose fermentation to ethanol by genetically engineered yeast cells. The productivity of the Lactophile 13B strains was higher than that of the Lactophile 13D strains. In both cases performance data similar to those for glucose fermentation to ethanol by Saccharomyces cerevisiae were obtained. However, the operational stability of recombinant yeast cells was improved in the new bioreactor in comparison to the stability of these cells in a shake flask.
引用
收藏
页码:587 / 590
页数:4
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