Zero Blunt® PCR Cloning Kit without Chemically Competent E. coli
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Enhanced Zero Blunt® Cloning kits—now with 5 minute, room temperature ligationsClose
The Zero Blunt® PCR Cloning Kit offers an easy method for high-efficiency (>80%) cloning of blunt-end PCR products amplified with proof-reading, thermostable DNA polymerases. The Zero Blunt® PCR Cloning Kit uses the multipurpose cloning vector pCR™-Blunt and ExpressLink™ T4 DNA Ligase to generate a ligation product in a five-minute, room-temperature ligation step.
Features of the Zero Blunt® Cloning® Kit with pCR™-Blunt vector: • Fast & convenient—5-minute, room-temperature ligation • Efficient—ccdB gene for positive selection results in >80% clones with correct insert • Flexible—choice of kanamycin or Zeocin™ resistance for flexible antibiotic selection
The pCR™-Blunt vector provides: • EcoR I sites flanking the PCR product insertion site for excision of inserts • T7 promoter/primer site for in vitro RNA transcription and sequencing • M13 forward and reverse primer sites for sequencing or PCR screening
How Zero Blunt® PCR Cloning Works The Zero Blunt® PCR Cloning Kit is designed to clone blunt PCR fragments (or any blunt DNA fragment) with a low background of non-recombinants. The pCR™-Blunt vector contains the lethal E. coliccdB gene fused to the C-terminus of LacZα (Bernard et al., 1994). Ligation of a blunt PCR fragment disrupts expression of the lacZα-ccdB gene fusion permitting growth of only positive recombinants upon transformation. Cells that contain non-recombinant vector are killed when the transformation mixture is plated.
Kit Configurations The Zero Blunt® PCR Cloning Kit is offered in a variety of configurations: with One Shot® TOPO10 Chemically Competent E. coli (K2700-20 and K2700-40) and without competent cells (K2750-20 and K2750-40) in 20- and 40- reaction kit sizes.
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