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Dbh10 βelectrocompetent cells

Manufactured by New England Biolabs

DBH10 β-electrocompetent cells are a type of bacterial cells that have been prepared for efficient transformation via electroporation. These cells are designed to facilitate the introduction of DNA into the bacterial cells using an electrical pulse.

Automatically generated - may contain errors

2 protocols using dbh10 βelectrocompetent cells

1

Cloning SaCas9 sgRNA Plasmid

Check if the same lab product or an alternative is used in the 5 most similar protocols
The pAAV1-FLEX-SaCas9-sgRNA plasmid was digested overnight with BsaI-HFv2 and gel purified (Qiaquick Gel Extraction Kit, QIAGEN). The ordered sgRNA oligos were resuspended to a concentration of 100uM. The oligos were phosphorylated at 37°C for 30min using the following reaction: 1uL of each 100uM oligo, 1uL T4 ligase buffer (NEB), 0.5uL phosphonucleotide kinase (PNK, NEB) and 6.5uL H2O. To anneal the oligos, the entire reaction was placed at 100°C for 5 minutes and allowed to slowly return to room temperature. 50ng of digested pAAV-FLEX-SaCas9-sgRNA and 1uL T4 ligase (NEB) were added directly to the reaction and incubated at room temperature for 2 hours. 2uL of the reaction was electroporated using DBH10 βelectrocompetent cells (NEB). Colonies were grown in LB + AMP and minipreps (QIAGEN) were performed to extract DNA. A restriction digest using BsaI-HFv2 and HindIII-HF was performed to screen for positive colonies. One positive colony was selected and the DNA was extracted using a maxiprep kit (Invitrogen). The insertion of the sgRNA was confirmed via Sanger sequencing (Genewiz) using the following primer: 5′ GACTATCATATGCTTACCGT 3′.
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2

Cloning SaCas9 sgRNA Plasmid

Check if the same lab product or an alternative is used in the 5 most similar protocols
The pAAV1-FLEX-SaCas9-sgRNA plasmid was digested overnight with BsaI-HFv2 and gel purified (Qiaquick Gel Extraction Kit, QIAGEN). The ordered sgRNA oligos were resuspended to a concentration of 100uM. The oligos were phosphorylated at 37°C for 30min using the following reaction: 1uL of each 100uM oligo, 1uL T4 ligase buffer (NEB), 0.5uL phosphonucleotide kinase (PNK, NEB) and 6.5uL H2O. To anneal the oligos, the entire reaction was placed at 100°C for 5 minutes and allowed to slowly return to room temperature. 50ng of digested pAAV-FLEX-SaCas9-sgRNA and 1uL T4 ligase (NEB) were added directly to the reaction and incubated at room temperature for 2 hours. 2uL of the reaction was electroporated using DBH10 βelectrocompetent cells (NEB). Colonies were grown in LB + AMP and minipreps (QIAGEN) were performed to extract DNA. A restriction digest using BsaI-HFv2 and HindIII-HF was performed to screen for positive colonies. One positive colony was selected and the DNA was extracted using a maxiprep kit (Invitrogen). The insertion of the sgRNA was confirmed via Sanger sequencing (Genewiz) using the following primer: 5′ GACTATCATATGCTTACCGT 3′.
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