PHYSIOLOGICAL APPROACH TO HETEROLOGOUS HUMAN SERUM-ALBUMIN PRODUCTION BY KLUYVEROMYCES-LACTIS IN CHEMOSTAT CULTURE

被引:16
作者
BLONDEAU, K
BOZE, H
JUNG, G
MOULIN, G
GALZY, P
机构
[1] ECOLE NATL SUPER AGRON MONTIPELLIER,INRA,CHAIR MICROBIOL IND & GENET MICOORGANISMES,F-34060 MONTPELLIER,FRANCE
[2] RHONE POULENC RORER,DEPT BIOTECHNOL,VITRY,FRANCE
关键词
YEAST; KLUYVEROMYCES LACTIS; RECOMBINANT; PHOSPHOGLYCERATE KINASE; GLYCOLYSIS; HETEROLOGOUS PROTEIN; RHSA; CHEMOSTAT CULTURE;
D O I
10.1002/yea.320101006
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Production of recombinant human serum albumin (rHSA) controlled by the constitutive promoter phosphoglycerate kinase was studied in Khuyveromyces lactis. It was governed by both cell concentration and glycolytic flow. The triggering of the fermentation metabolism by unfavourable culture conditions (pH, pO(2), D) caused a decrease in the synthesis of the heterologous protein. The highest productivity (75 mg l(-1) per h) and rHSA concentration (62 mg l(-1)) were obtained in chemostat culture with a dilution rate of 0.12 h(-1) and with 38 g l(-1) dry weight.
引用
收藏
页码:1297 / 1303
页数:7
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