多核苷酸磷酸化酶在大肠杆菌的生长过程中发挥作用。
Polynucleotide phosphorylase has a role in growth of Escherichia coli.
作者信息
Krishna R V, Apirion D
出版信息
J Bacteriol. 1973 Mar;113(3):1235-9. doi: 10.1128/jb.113.3.1235-1239.1973.
Abstract
Mutants having low levels of polynucleotide phosphorylase activity grow poorly at 45 C. All revertants isolated for their ability to grow better at that temperature also regained higher levels of polynucleotide phosphorylase and the ability to be induced for tryptophanase. Thus, a physiological role is implied for the enzyme polynculeotide phosphorylase.
摘要
多核苷酸磷酸化酶活性水平低的突变体在45℃下生长不良。所有因在该温度下生长得更好的能力而分离出的回复突变体也恢复了较高水平的多核苷酸磷酸化酶以及被诱导产生色氨酸酶的能力。因此，暗示了多核苷酸磷酸化酶这种酶具有生理作用。
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