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噬菌体φX174脱氧核糖核酸小片段的基因检测

Genetic assay for small fragments of bacteriophage phi X174 deoxyribonucleic acid.

作者信息

Hutchison C A, Edgell M H

出版信息

J Virol. 1971 Aug;8(2):181-9. doi: 10.1128/JVI.8.2.181-189.1971.

Abstract

The double-stranded replicative form deoxyribonucleic acid (RF-DNA) of bacteriophage phiX174 was fragmented by pancreatic deoxyribonuclease, and the complementary strand fragments were then annealed to intact viral single strands. When such complexes infected Escherichia coli spheroplasts, some of the progeny virus bore genetic markers derived from the RF-DNA fragments. In this way, genetic markers have been salvaged from DNA fragments less than 50 nucleotides in length. This method is potentially useful as a specific assay to aid in the purification of genetically defined DNA fragments and also as a mechanism for the incorporation of small chemically synthesized DNA sequences into viral genomes.

摘要

噬菌体φX174的双链复制型脱氧核糖核酸(RF-DNA)被胰脱氧核糖核酸酶切割成片段,然后将互补链片段与完整的病毒单链退火。当这类复合物感染大肠杆菌原生质球时,一些子代病毒带有源自RF-DNA片段的遗传标记。通过这种方式,已从长度小于50个核苷酸的DNA片段中挽救了遗传标记。该方法作为一种特异性测定方法,潜在地有助于纯化基因定义的DNA片段,也可作为将小的化学合成DNA序列掺入病毒基因组的一种机制。

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本文引用的文献

1
Genetic Map of Bacteriophage phiX174.噬菌体φX174的遗传图谱
J Virol. 1971 May;7(5):549-58. doi: 10.1128/JVI.7.5.549-558.1971.

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