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 language | English |
|---|---|
| Pages (from-to) | 164-70, 172, 175 |
| Journal | Biotechniques |
| Volume | 27 |
| Issue number | 1 |
| Publication status | Published - 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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