PhiC31 Integrase Expression Plasmid

Put the integrase into your PhiC31 and PinPoint genome editing projects with this vector that expresses PhiC31 Integrase for one-step single-copy transgenesis

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PhiC31 Integrase Expression Plasmid

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PhiC31 Integrase Expression Plasmid

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10 µg
FC200PA-1
$ 447
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Overview

One-step, non-viral, single copy integration

Designed to transiently deliver PhiC31 Integrase for your PhiC31 and PinPoint genome engineering studies, the PhiC31 Integrase Expression Plasmid is an essential component of these one- and two-step non-viral gene delivery systems. PhiC31 integrase can integrate a plasmid of any size, as a single copy, and requires no cofactors. The integrated transgenes are stably expressed and heritable.

PhiC31 Integrase Expression Plasmid

SBI’s PhiC31 Integrase System consists of the PhiC31 Integrase Expression Plasmid and a PhiC31 Donor Plasmid that has your gene-of-interest cloned in. The system enables:

  • Non-viral transgene delivery
  • Single-copy integration
  • Preferential integration at active sites
  • Delivery of inserts with no size constraints
  • Easy generation of cell lines

When you want non-viral gene delivery, have a large insert, and/or need controlled, single-copy genomic integration, turn to the PhiC31 Integrase System.

How It Works

One-step transgene delivery with the PhiC31 Integrase System

With the PhiC31 Integrase System, you simply clone your gene-of-interest into the attB Donor Plasmid, and then (Step 1) co-transfect with a PhiC31 Integrase Expression Plasmid. (Inside the cell) The PhiC31 Integrase is transiently expressed, and mediates site-specific recombination between the attB site on the donor plasmid and a pseudo attP site in the genome. (Result) Because pseudo attP sites are typically present in transcriptionally active sites of the genome, your gene-of-interest will likely be integrated into an active region of the genome.

One-step transgene delivery with the PhiC31 Integrase System

Supporting Data

Streamlined gene delivery with the PhiC31 Integrase System

The PhiC31 Integrase System efficiently introduces a puromycin resistance marker to HEK293 cells

Figure 1. The PhiC31 Integrase System efficiently introduces a puromycin resistance marker to HEK293 cells. The dual promoter PhiC31 Donor Vector pFC-PGK-MCS-EF1-GFP-Puro (Cat.# FC551A-1) was co-transfected into HEK293 cells with either carrier DNA (top plate) or the PhiC31 Integrase Expression Plasmid (bottom plate) and the cells placed under puromycin selection after three days. After an additional eleven days, the cells were fixed and stained with a solution of 50% methanol plus 1% methylene blue to image colonies. Only the cells co-transfected with integrase formed colonies (bottom panel), demonstrating the high efficiency of the PhiC31 Integrase System for transgene delivery.

The PhiC31 Integrase System efficiently introduces a puromycin resistance marker and GFP to HEK293 cells

Figure 2. The PhiC31 Integrase System efficiently introduces a puromycin resistance marker and GFP to HEK293 cells. The dual promoter PhiC31 Donor Vector pFC-PGK-MCS-EF1-GFP-Puro (Cat.# FC551A-1) was co-transfected into HEK293 cells with the PhiC31 Integrase Expression Plasmid (bottom plate), the cells placed under puromycin selection after two days, and cells imaged after another four and eleven days. Comparison of phase versus fluorescence imaging shows that the majority of cells robustly express the GFP reporter.