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大肠杆菌K-12中serC基因(磷酸羟基丙酮酸转氨酶基因)与serS基因(丝氨酰转运核糖核酸合成酶基因)的紧密连锁。

Close linkage of the genes serC (for phosphohydroxy pyruvate transaminase) and serS (for seryl-transfer ribonucleic acid synthetase) in Escherichia coli K-12.

作者信息

Clarke S J, Low B, Konigsberg W H

出版信息

J Bacteriol. 1973 Mar;113(3):1091-5. doi: 10.1128/jb.113.3.1091-1095.1973.

DOI:10.1128/jb.113.3.1091-1095.1973
PMID:4570768
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC251668/
Abstract

Escherichia coli strain K28, isolated after nitrosoguanidine mutagenesis, was found to be auxotrophic for serine. It was also temperature sensitive for growth as a result of producing an altered seryl-transfer ribonucleic acid (tRNA) synthetase (EC 6.1.1.11, l-serine: tRNA ligase [AMP]). The auxotrophy was caused by a mutation in the structural gene for phosphohydroxy-pyruvate transaminase (serC), which was distinct from, but closely linked to, the structural gene for seryl-tRNA synthetase (serS). We conclude that the relevant genes are in the order gal-serS-serC-aroA.

摘要

在经亚硝基胍诱变后分离得到的大肠杆菌K28菌株,被发现对丝氨酸营养缺陷。由于产生了一种改变的丝氨酰 - 转移核糖核酸(tRNA)合成酶(EC 6.1.1.11,L - 丝氨酸:tRNA连接酶[AMP]),它对生长也是温度敏感的。这种营养缺陷是由磷酸羟基丙酮酸转氨酶(serC)的结构基因突变引起的,该基因与丝氨酰 - tRNA合成酶(serS)的结构基因不同,但紧密连锁。我们得出结论,相关基因的顺序为gal - serS - serC - aroA。

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Close linkage of the genes serC (for phosphohydroxy pyruvate transaminase) and serS (for seryl-transfer ribonucleic acid synthetase) in Escherichia coli K-12.大肠杆菌K-12中serC基因(磷酸羟基丙酮酸转氨酶基因)与serS基因(丝氨酰转运核糖核酸合成酶基因)的紧密连锁。
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Protein measurement with the Folin phenol reagent.使用福林酚试剂进行蛋白质测定。
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Isolation and partial characterization of temperature-sensitive Escherichia coli mutants with altered leucyl- and seryl-transfer ribonucleic acid synthetases.具有改变的亮氨酰和丝氨酰转移核糖核酸合成酶的温度敏感型大肠杆菌突变体的分离及部分特性研究
J Bacteriol. 1971 Nov;108(2):742-50. doi: 10.1128/jb.108.2.742-750.1971.
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Current linkage map of Escherichia coli.大肠杆菌当前的连锁图谱。
Bacteriol Rev. 1970 Jun;34(2):155-75. doi: 10.1128/br.34.2.155-175.1970.