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SHC332

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MISSION® 3X LacO Inducible Non-Target shRNA Control Plasmid DNA

Does not target any known genes

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Synonym(s):
MISSION® Control Vectors
MDL number:
NACRES:
NA.51

product line

MISSION®

concentration

500 ng/μL in TE buffer; DNA (10μg of plasmid DNA)

shipped in

dry ice

storage temp.

−20°C

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SHC005SHC016SHC202
concentration

500 ng/μL in TE buffer; DNA (10μg of plasmid DNA)

concentration

500 ng/μL in TE buffer; DNA (10μg of plasmid DNA)

concentration

500 ng/μL in TE buffer; DNA (10μg of plasmid DNA)

concentration

500 ng/μL in TE buffer; DNA (10μg of plasmid DNA)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

shipped in

dry ice

shipped in

dry ice

shipped in

dry ice

shipped in

dry ice

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

General description

Sigma® is proud to offer IPTG-inducible vectors as the latest development from our continued partnership in TRC.

The pLKO vector has been redesigned to contain a LacI (repressor) and a modified human U6 shRNA promoter with LacO (operator) sequences. In the absence of IPTG (isopropyl-Β-D-thio-galactoside), an analogue of lactose, LacI binds to LacO preventing expression of the shRNA. When IPTG is present, the allosteric LacI repressor changes conformation, releasing itself from lacO modified human U6 promoter, and subsequently allows expression of the shRNA.

We are proud to offer two different IPTG inducible vectors for your research. The preferred inducible vector, pLKO_IPTG_3xLacO, contains three lac operon sequences (two in the U6 promoter and one 3′ of the promoter) affording both tight regulation and great gene silencing. Whereas, the pLKO_IPTG_1xLacO vector contains a single lac operon sequence in the U6 promoter, which allows for an advantage to shRNA expression, but looser control of the promoter when not induced.

The MISSION® 3X LacO Inducible Non-Target shRNA Control is a lentivirus plasmid vector. The vector contains an shRNA insert that does not target any known genes, making it useful as a negative control in experiments using the MISSION inducible shRNA library clones. This allows one to examine the effect of transfection of a short-hairpin on gene expression and interpret the knockdown effect seen with shRNA clones. Ampicillin and puromycin antibiotic resistance genes provide selection in bacterial or mammalian cells respectively. In addition, self-inactivating replication incompetent viral particles can be produced in packaging cells (HEK293T) by co-transfection with compatible packaging plasmids. The 1X LacO Inducible Non-Target shRNA Control is provided as 10 μg of plasmid DNA in Tris-EDTA (TE) buffer at a concentration of 500 ng/μl.

Application

To see more application data, protocols, vector maps visit sigma.com/shrna.

Legal Information

Use of this product is subject to one or more license agreements. For details, please see http://sigmaaldrich.com/missionlicense.
MISSION is a registered trademark of Merck KGaA, Darmstadt, Germany
Sigma is a registered trademark of Sigma-Aldrich Co. LLC

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Articles

When shRNA is delivered using lentiviral vectors, the sequence encoding the shRNA is integrated into the genome and the knockdown effect is passed on to daughter cells, continuing gene silencing.

Related Content

Explore the benefits of IPTG-inducible vectors through performance data. These vectors offer regulated expression, which is important when studying essential and lethal genes.

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