CONTINUOUS PRODUCTION OF GLUCOAMYLASE BY IMMOBILIZED GROWING CELLS OF AUREOBASIDIUM-PULLULANS

被引:10
作者
FEDERICI, RG [1 ]
FEDERICI, F [1 ]
PETRUCCIOLI, M [1 ]
机构
[1] UNIV BASILICATA,IST MICROBIOL & TECNOL AGRARIE & FORESTALI,I-85100 POTENZA,ITALY
关键词
D O I
10.1007/BF01088190
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
Yeast-like cells of Aureobasidium pullulans were immobilized in Ca-alginate gel beads and employed for continuous production of glucoamylase in a fluidized-bed reactor (250 ml working volume). After an activation time of 48 h, to allow the "in situ" germination of the fungal blastospores, the reactor was operated continuously for over 150 h. A steady state enzyme concentration of 1.2-1.3 U ml-1 of glucoamylase activity and an enzyme volumetric productivity of ca. 130 U ml-1 h-1 were obtained at a medium flow rate of 26 ml h-1. Enzyme activity and volumetric productivity were influenced by fermentation conditions such as inoculum size and airflow rate. © 1990 Kluwer Academic Publishers.
引用
收藏
页码:661 / 666
页数:6
相关论文
共 11 条
[1]  
Anderson J. G., 1983, FILAMENTOUS FUNGI, V4, P145
[2]   GLUCOAMYLASE PRODUCTION BY AUREOBASIDIUM-PULLULANS [J].
FEDERICI, F .
MYCOLOGIA, 1984, 76 (04) :643-649
[3]  
FEDERICI F, 1987, Annali di Microbiologia ed Enzimologia, V37, P17
[4]  
FEDERICI F, 1990, IN PRESS APPL MICROB
[5]  
KUMAKURA M, 1986, Biotechnology and Applied Biochemistry, V8, P195
[6]   GLUCOAMYLASE AND ALPHA-AMYLASE PRODUCTION BY IMMOBILIZED ASPERGILLUS-NIGER [J].
LI, GX ;
LINKO, YY ;
LINKO, P .
BIOTECHNOLOGY LETTERS, 1984, 6 (10) :645-650
[7]   IMMOBILIZED CELLS - A REVIEW OF RECENT LITERATURE [J].
SCOTT, CD .
ENZYME AND MICROBIAL TECHNOLOGY, 1987, 9 (02) :66-73
[8]  
SMITH BW, 1949, J BIOL CHEM, V179, P53
[9]   PRODUCTION OF ALKALINE PROTEASE BY IMMOBILIZED MYCELIUM OF CONIDIOBOLUS [J].
SUTAR, II ;
VARTAK, HG ;
SRINIVASAN, MC ;
SIVARAMAN, H .
ENZYME AND MICROBIAL TECHNOLOGY, 1986, 8 (10) :632-634
[10]  
[No title captured]