ALLOSTERIC AND NON-ALLOSTERIC ESCHERICHIA-COLI PHOSPHOFRUCTOKINASES - EFFECTS ON GROWTH

被引:21
作者
ROBINSON, JP [1 ]
FRAENKEL, DG [1 ]
机构
[1] HARVARD UNIV,DEPT MICROBIOL & MOLEC GENET,BOSTON,MA 02115
基金
美国国家科学基金会;
关键词
D O I
10.1016/0006-291X(78)91430-4
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
In wild type Escherichia coli K-12 ca. 90% of phosphofructokinase is known to be the allosteric enzyme Pfk-1, and the rest is Pfk-2, a non-allosteric enzyme. An isogenic strain series has now been constructed with varying combinations and amounts of Pfk-1 and Pfk-2 (e.g., no Pfk-1, high level of Pfk-2; normal level Pfk-1, high level Pfk-2, etc.). In minimal medium with glucose, glucose-6-P, and glycerol, aerobically and anaerobically, provided there is adequate total amount of enzyme, what allosteric type it is does not make much difference to growth rate or yield of this organism. © 1978.
引用
收藏
页码:858 / 863
页数:6
相关论文
共 20 条
[1]   ARE AEROBIC AND ANAEROBIC PHOSPHOFRUCTOKINASES OF ESCHERICHIA-COLI DIFFERENT [J].
BABUL, J ;
ROBINSON, JP ;
FRAENKEL, DG .
EUROPEAN JOURNAL OF BIOCHEMISTRY, 1977, 74 (03) :533-537
[2]  
BABUL J, UNPUBLISHED
[3]   KINETICS OF ALLOSTERIC INTERACTIONS OF PHOSPHOFRUCTOKINASE FROM ESCHERICHIA COLI [J].
BLANGY, D ;
BUC, H ;
MONOD, J .
JOURNAL OF MOLECULAR BIOLOGY, 1968, 31 (01) :13-&
[4]  
COHEN G N, 1956, Ann Inst Pasteur (Paris), V91, P693
[5]  
FRAENKEL DG, 1973, J BIOL CHEM, V248, P4865
[6]  
KARADSHEH NS, 1977, J BIOL CHEM, V252, P7418
[7]   2 ESCHERICHIA-COLI FRUCTOSE-6-PHOSPHATE KINASES - PREPARATIVE PURIFICATION, OLIGOMERIC STRUCTURE AND IMMUNOLOGICAL STUDIES [J].
KOTLARZ, D ;
BUC, H .
BIOCHIMICA ET BIOPHYSICA ACTA, 1977, 484 (01) :35-48
[8]   REGULATION OF AMOUNT AND OF ACTIVITY OF PHOSPHOFRUCTOKINASES AND PYRUVATE KINASES IN ESCHERICHIA-COLI [J].
KOTLARZ, D ;
GARREAU, H ;
BUC, H .
BIOCHIMICA ET BIOPHYSICA ACTA, 1975, 381 (02) :257-268
[9]  
LOWRY OH, 1971, J BIOL CHEM, V246, P6511
[10]   SUPPRESSOR OF PHOSPHOFRUCTOKINASE MUTATIONS OF ESCHERICHIA-COLI [J].
MORRISSEY, AT ;
FRAENKEL, DG .
JOURNAL OF BACTERIOLOGY, 1972, 112 (01) :183-+