pSURF-2, a modified BAC vector for selective YAC cloning and functional analysis

A. C. Boyd, H. Davidson, B. Stevenson, G. McLachlan, H. Davidson-Smith, D. J. Porteous

Research output: Contribution to journalArticlepeer-review

Abstract

A modified bacterial artificial chromosome (BAC) vector, pSURF-2, adapted for the selective subcloning of yeast artificial chromosome (YAC) sequences was constructed. DH10B-U, a pyrF derivative of the highly transformable E. coli strain DH10B was also constructed and used for the detection of Ura+ recombinants carrying DNA linked to YAC right arms. The vector's properties were illustrated in two main ways. (i) An intact 25-kb YAC containing a mouse tyrosinase minigene was cloned into pSURF-2. Appropriately spliced tyrosinase RNA was detected by reverse transcription (RT)-PCR in extracts of cells transiently lipofected with the cloned YAC. (ii) Cells expressing human cystic fibrosis transmembrane conductance regulator (CFTR) from an integrated pSURF-2 recombinant containing a cDNA expression cassette were selected using the hygromycin-resistance (HyTK) marker of the vector and characterized by RT-PCR and immunoprecipitation. The unique I-SceI site and HyTK marker of pSURF-2 are designed to facilitate subsequent functional studies of cloned DNA.
Original languageEnglish
Pages (from-to)164-70, 172, 175
JournalBiotechniques
Volume27
Issue number1
Publication statusPublished - 1999

Keywords / Materials (for Non-textual outputs)

  • Animals Cell Line Chromosomes, Artificial, Yeast/*genetics *Cinnamates Cloning, Molecular Cystic Fibrosis Transmembrane Conductance Regulator/genetics DNA, Bacterial/*genetics DNA, Fungal/genetics Drug Resistance/genetics Electrophoresis, Agar Gel Escherichia coli/*genetics Genetic Markers/genetics Genetic Vectors/*genetics Humans Hygromycin B/analogs & derivatives/pharmacology Integrases/metabolism Mice Monophenol Monooxygenase/genetics Plasmids/genetics Reverse Transcriptase Polymerase Chain Reaction Transfection *Viral Proteins

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