In vitro Cloning of DNA Fragments Using One Polymerase Chain Reaction

K. A. Lukyanov, S. A. Lukyanov

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An improved version of the in vitro DNA cloning method described earlier is proposed. The method allows amplification by polymerase chain reaction (PCR) of individual DNA molecules of an unknown primary structure followed by sequencing. The modifications described here provide for in vitro cloning by means of a 40-45-cycle PCR (the original protocol required two consecutive amplifications). In addition, the in vitro cloning is suggested to be carried out in special 96-well plates in the presence of ethidium bromide; upon UV irradiation, the wells containing amplified DNA fluoresce to make the analysis of all 96 wells unnecessary. The improved protocol makes the preparation of individual in vitro clones more straightforward and less expensive.

Original languageEnglish
Number of pages1
JournalBioorganicheskaia khimiia
Issue number11
Publication statusPublished - 1997
Externally publishedYes


  • 96-well plate
  • Differential screening
  • Ethidium bromide
  • In vitro cloning
  • PCR suppression
  • Subtractive cDNA hybridization


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