酿酒酵母半乳糖激酶基因座中的不可诱导突变体。
Uninducible mutants in the gal i locus of Saccharomyces cerevisiae.
作者信息
Douglas H C, Hawthorne C D
出版信息
J Bacteriol. 1972 Mar;109(3):1139-43. doi: 10.1128/jb.109.3.1139-1143.1972.
Abstract
Uninducible galactose nonfermenter mutants of Saccharomyces cerevisiae have been isolated and mapped in the gal i locus. They appear to be analogous to the i(s) mutations found in the regulatory genes of the Escherichia coli lactose and galactose systems. The susceptibility to suppression by an ochre suppressor of an i allele in an i(s)i(-) double mutant suggests that the i locus in S. cerevisiae codes for a protein.
摘要
已分离出酿酒酵母的不可诱导型半乳糖非发酵突变体，并将其定位在gal i基因座上。它们似乎类似于在大肠杆菌乳糖和半乳糖系统的调控基因中发现的i(s)突变。在i(s)i(-)双突变体中，i等位基因对赭石型抑制子抑制的敏感性表明，酿酒酵母中的i基因座编码一种蛋白质。
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