Blunt Zero Cloning Kit

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Catalogue No: abx098062
Price: US$884.50
(Size: 20 rxns)
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Plasmid map (Blunt Zero).
Blunt Zero Cloning Kit

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Datasheet SDS Download Manual
Blunt Zero Cloning Vector contains a suicide gene. Ligation of PCR fragment disrupts the expression of the gene. Cells that contain non-recombinant vector are killed upon plating. High cloning efficiency. Positive clones up to 100%. Suitable for larger fragment cloning. M13 forward primer and M13 reverse primer for sequencing. T3 promoter and T7 promoter for in vitro transcription.

Kit contents:

Component 20 rxns60 rxns
Blunt Zero Cloning Vector (10 ng/µl) 20 µl3 × 20 µl
Control Template 5 µl 5 µl
Control Primers 5 µl 5 µl
M13 Forward Primer (10 µM) 50 µl150 µl
M13 Reverse Primer (10 µM) 50 µl150 µl
Phage Resistant Chemically Competent Cells (abx098070)10 × 100 µl30 × 100 µl


Target Blunt Zero Cloning Kit
Storage Store Phage Resistant Chemically Competent Cells at -70°C for up to 6 months and all other components at -20°C for up to 9 months.
Availability Shipped within 10-20 working days.
Note This product is for research use only. This product is shipped with dry ice.
Directions for use Preparation
  1. Add 0.5 µl - 4 µl of PCR products and 1 µl of Blunt Zero Cloning Vector (10 ng/µl) into a microcentrifuge tube.
  2. Gently mix, incubate at room temperature for 5 minutes, and place the tube on ice.
The optimal molar ratio of the vector to insert is 1:7 (for example, 1 kb = 20 ng, 2 kb = 40 ng). The total reaction volume should be 3 µl - 5 µl. The incubation time should be optimised by the end user, and the following recommendations may be used as a guide:

  • 0.1-1 kb: 5-10 mins
  • 1-2 kb: 10-15 mins
  • 2-3 kb: 15-20 mins
  • ≥3 kb: 20-30 mins.
Note: If the insert is gel purified, use the maximum incubation time of 20-30 minutes.

Transformation

  1. Add the ligated products to 50 µl of Phage Resistant Chemically Competent Cells and mix gently. Do not mix by pipetting up and down.
  2. Place on ice for 20-30 minutes.
  3. Heat shock the cells at 42°C for 30 seconds, then immediately place the tube on ice for 2 minutes.
  4. Add 250 µl of room temperature SOC or LB Medium, then incubate in a shaking incubator (200 rpm) at 37°C for 1 hour.
  5. Inoculate a pre-warmed culture plate with 200 µl of the transformants.

Identification of positive clones

  1. Transfer 5-10 white or light-blue colonies into 10 µl of Nuclease-free water and vortex.
  2. Use 1 µl of the mixture as the template for 25 µl PCR using M13 forward and M13 reverse primers.

PCR Conditions

Number of Cycles Temperature Time per Cycle
1 cycle 94 °C 10 min
30 cycles 94 °C 30 seconds
55 °C 30 seconds
72 °CDependent on insert size and PCR Enzyme
1 cycle 72 °C5-10 min

Sequencing analysis

Positive clones should be inoculated in Ampicillin or Kanamycin selective LB liquid media, then incubate in a shaking incubator (200 rpm) at 37°C for 6 hours. Isolate plasmid DNA for restriction enzyme digestion and DNA sequencing. Sequencing should be performed using M13 forward, M13 Reverse and T7 promoter.

Components required for PCR of control insert (700 bp)

ComponentVolumeFinal concentration
Control template (5 ng/µl)1 µl 0.1 ng/µl
Control Primers (10 µM)1 µl0.2 µM
2X PCR SuperMix25 µl1X
Nuclease-free waterVariable-
Total volume50 µl-

PCR Conditions

Number of Cycles Temperature Time per Cycle
1 cycle 94 °C 2-5 min
30 cycles 94 °C 30 seconds
50-60 °C 30 seconds
72 °C1 min
1 cycle 72 °C10 min

Notes
  • The PCR Enzyme should be a Pfu DNA Polymerase.
  • Primers must not be phosphorylated.
  • 5-10 min post extension step is required. After amplification, agarose gel electrophoresis is recommended to validate the quality and quantity of the PCR products.
Research Articles on Blunt Zero Cloning Kit


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