Intergeneric protoplast fusion in Saccharomycopsis fibuligera and Saccharomyces cerevisiae

被引:6
作者
Choi, SH [1 ]
Sung, C [1 ]
Oh, MJ [1 ]
Kim, CJ [1 ]
机构
[1] CHUNGNAM NATL UNIV,DEPT FOOD SCI & TECHNOL,TAEJON 305764,SOUTH KOREA
来源
JOURNAL OF FERMENTATION AND BIOENGINEERING | 1997年 / 84卷 / 02期
关键词
protoplast fusion; Saccharomycopsis fibuligera; ethanol; DIASTATICUS; STRAINS; YEASTS;
D O I
10.1016/S0922-338X(97)82547-0
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
The amylolytic yeast Saccharomycopsis fibuligera K-33 and Saccharomyces cerevisiae were used to breed a hybrid by protoplast fusion. S. fibuligera K-33 produced glucoamylase and alpha-amylase. The intergeneric protoplast fusion frequency was 1.95 x 10(-4). Fusant 10-1, which enhanced alpha-amylase production, produced 3.1% (v/v) ethanol in a 10% soluble starch medium at 3 d. The amylase activity of the fusant was 2.5 times higher than that of the parental strain K-33 at 2 d.
引用
收藏
页码:158 / 161
页数:4
相关论文
共 18 条
  • [1] BARNETT TA, 1983, YEASTS, P280
  • [2] CHAPLIN MF, 1986, CARBOHYDRATE ANAL PR, P3
  • [3] CHUNG K S, 1987, Korean Journal of Applied Microbiology and Bioengineering, V15, P145
  • [4] INTERSPECIFIC PROTOPLAST FUSION OF THE BAKERS-YEAST SACCHAROMYCES-CEREVISIAE AND SACCHAROMYCES-DIASTATICUS
    DEFIGUEROA, LI
    DERICHARD, MF
    DEVANBROOCK, MR
    [J]. BIOTECHNOLOGY LETTERS, 1984, 6 (04) : 269 - 274
  • [5] DEMOT R, 1987, CRIT REV BIOTECHNOL, V5, P259
  • [6] FERENCZY L, 1980, ADV PROTOPLAST RES, P105
  • [7] CONSTRUCTION OF YEAST STRAINS FOR THE PRODUCTION OF LOW-CARBOHYDRATE BEER
    HANSEN, M
    ROCKEN, W
    EMEIS, CC
    [J]. JOURNAL OF THE INSTITUTE OF BREWING, 1990, 96 (03) : 125 - 129
  • [8] JAUDEROVA B, 1990, J BASIC MICROB, V30, P499
  • [9] KATO K, 1976, J FERMENT TECHNOL, V54, P831
  • [10] KREGERVANRIJ NJW, 1987, YEASTS, P404