Direct cloning of genomic DNA by recombinogenic targeting method using a yeast-bacterial shuttle vector, pClasper

Jaya Bhargava, Cooduvalli S. Shashikant, Janet L. Carr, Hsin Juan, Kevin L. Bentley, Frank H. Ruddle

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We have developed a method to clone genomic DNA selectively into a yeast-bacterial shuttle vector, pClasper, by recombinogenic targeting in yeast. A gene-specific pClasper targeting vector was constructed with small recombinogenic ends (500 bp) derived from flanking sequences of the genomic region to be cloned. Linearized, recombinogenic pClasper targeting vector and native genomic DNA were cotransformed into yeast. The gene of interest is selectively cloned by recombination between the recombinogenic ends in the targeting vector and homologous regions in the genomic DNA. Here we demonstrate direct cloning of a stably integrated Hoxc8-LacZ-Ura3 reporter gene construct from a mouse embryo fibroblast cell line and single-copy genes from total human genomic DNA. The frequency of capture of the recombinant insert was 0.05-3% of transformants. In contrast to previous reports, we were able to clone genomic DNA directly with a vector containing yeast autonomous replicating sequences. This approach provides a powerful method with which to clone and modify genes precisely for functional analysis.

Original languageEnglish (US)
Pages (from-to)285-288
Number of pages4
JournalGenomics
Volume62
Issue number2
DOIs
StatePublished - Dec 1 1999

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Genetic Vectors
Organism Cloning
Yeasts
DNA
Clone Cells
Genes
Reporter Genes
Genetic Recombination
Embryonic Structures
Fibroblasts
Cell Line

All Science Journal Classification (ASJC) codes

  • Genetics

Cite this

Bhargava, Jaya ; Shashikant, Cooduvalli S. ; Carr, Janet L. ; Juan, Hsin ; Bentley, Kevin L. ; Ruddle, Frank H. / Direct cloning of genomic DNA by recombinogenic targeting method using a yeast-bacterial shuttle vector, pClasper. In: Genomics. 1999 ; Vol. 62, No. 2. pp. 285-288.
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Direct cloning of genomic DNA by recombinogenic targeting method using a yeast-bacterial shuttle vector, pClasper. / Bhargava, Jaya; Shashikant, Cooduvalli S.; Carr, Janet L.; Juan, Hsin; Bentley, Kevin L.; Ruddle, Frank H.

In: Genomics, Vol. 62, No. 2, 01.12.1999, p. 285-288.

Research output: Contribution to journalArticle

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