The biochemical genetics of glycolysis in microbes.

The biochemical genetics of glycolysis in microbes.
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微生物糖酵解的生化遗传学。

DOI:
10.1007/978-1-4684-3980-9_13
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发表时间:
1981
期刊:
Basic life sciences
影响因子:
--
通讯作者:
Fraenkel,DG
Fraenkel,DG
中科院分区:
--
文献类型:
--
作者:
Fraenkel,DG

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大多数糖酵解反应的突变体在大肠杆菌和酿酒酵母中都有描述。葡萄糖和丙酮酸之间的途径有三个不可逆反应和七个可逆反应(图1),大多数中间产物是生物合成所需的。因此,人们可以预期,在不可逆步骤中的突变体在葡萄糖上的生长受到损害,但不受损害,并且在可逆步骤中的突变体甚至需要补充以进行促生长。初步估计,发现了这种模式,但存在偏差(表I)。例如,在丙糖-P和磷酸烯醇-丙酮酸之间阻断的E1共突变体确实需要补充(例如,通过甘油)在乳酸盐上生长(1,2),但磷酸葡萄糖异构酶突变体在没有葡萄糖补充的情况下生长(3)-可能是因为葡萄糖-6-P及其产物对该生物体的生长不是必需的。醛缩酶突变体也不需要补充剂来促进促生长,其原因尚不清楚;它可能与其他醛缩酶有关(见参考文献4)。(双)丙酮酸激酶突变体在葡萄糖上生长是因为磷酸烯醇丙酮酸被磷酸转移酶(PTS)反应所利用,引发葡萄糖代谢,而这种突变体不能在非PTS糖上生长(5)。
Mutants for most reactions of glycolysis have been described both inEscherichia coliand inSacchavomyces cevevisiaeThe pathway between glucose and pyruvate has three irreversible and seven reversible reactions (Figure 1), and most of the intermediates are needed in biosynthesis. Thus, one might expect mutants in an irreversible step to be impaired in growth on glucose but unimpaired gluconeogenically, and mutants in a reversible step to require supplementation even for gluconeogenic growth. To a first approximation this pattern is found but there are deviations (Table I). For example,E, colimutants blocked between triose-P and phosphoenol-pyruvate do require supplementation (e.g., by glycerol) for growth on lactate (1,2) but phosphoglucose isomerase mutants grow without supplementation by glucose (3) — probably because glucose-6-P and its products are not essential for growth of this organism. Aldolase mutants also do not require supplementation for gluconeogenic growth, and the explanation is unknown; it might relate to other aldolases (see ref. 4). The growth on glucose of a (double) pyruvate kinase mutant occurs because phosphoenolpyruvate is used by the phosphotransferase (PTS) reaction intiating glucose metabolism and such a mutant fails to grown on non-PTS sugars (5).
大肠杆菌新的磷酸葡萄糖异构酶突变体
DOI: 10.1128/jb.122.3.1172-1174.1975
发表时间: 1975
影响因子: 3.2
作者:
R. Vinopal;J. Hillman;H. Schulman;W. Reznikoff;D. Fraenkel
通讯作者: D. Fraenkel
大肠杆菌葡萄糖酸 6-磷酸脱氢酶 (gnd) 专用转导噬菌体的分离
DOI: 10.1128/jb.117.2.468-476.1974
发表时间: 1974
影响因子: 3.2
作者:
R. E. Wolf;D. Fraenkel
通讯作者: D. Fraenkel
大肠杆菌磷酸果糖激酶 2 的改变会损害糖异生生长并促进糖的生长。
DOI: 10.1111/j.1432-1033.1982.tb06790.x
发表时间: 1982
期刊: European journal of biochemistry
影响因子: --
作者:
Daldal,F;Babul,J;Guixé,V;Fraenkel,DG
通讯作者: Fraenkel,DG
大肠杆菌中甘油醛3-磷酸脱氢酶的突变分析。
DOI: 10.1042/bj1790099
发表时间: 1979
期刊: The Biochemical journal
影响因子: --
作者:
J. Hillman
通讯作者: J. Hillman
变构和非变构大肠杆菌磷酸果糖激酶:对生长的影响。
DOI: 10.1016/0006-291x(78)91430-4
发表时间: 1978
影响因子: 3.1
作者:
J. Robinson;D. Fraenkel
通讯作者: D. Fraenkel