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URL: http://www.addgene.org/138651
Proper Citation: RRID:Addgene_138651
Insert Name: None
Organism: E. coli
Bacterial Resistance: None
Defining Citation: PMID:31772280
Vector Backbone Description: Vector Backbone:N/A; Vector Types:; Bacterial Resistance:None
Comments: Genotype: λDE3 Δtig100 Δ(araD–araB)567 ΔlacZ4787(::rrnB-3) lacIP-4000(lacIQ) rph-1 Δ(rhaD–rhaB)568 hsdR514 KTD101(DE3) is a λDE3 derivative of the trigger factor deficient (Δtig) strain KTD101 from Puertas et al 2010 Protein Expression and Purification 74: 122–128, PMID 20600941. Puertas et al 2010 showed that deletion of trigger factor in the parent strain KTD101 increased the level of secreted recombinantly expressed protein. This strain may also improve the level of protein expression in the periplasm and in the outer membrane. This derivative strain KTD101(DE3) now allows expression that is based on the widely-used T7 promoter. The parent strain KTD101 was provided by François Baneyx at the University of Washington. DE3 lysogenization is apparent from positive expression that was obtained for the BBA57 protein upon expression from the T7 promoter plasmid pBBA57-TEV-His12, as was shown in Figure S5C, lane 7, of Robertson et al, Sci Rep. 2019 Nov 26;9(1):17606. doi: 10.1038/s41598-019-53830-x.
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Source: Addgene (RRID:SCR_002037)
Description: Non-profit plasmid repository dedicated to helping scientists around the world share high-quality plasmids. Facilitates archiving and distributing DNA-based research reagents and associated data to scientists worldwide. Repository contains over 65,000 plasmids, including special collections on CRISPR, fluorescent proteins, and ready-to-use viral preparations. There is no cost for scientists to deposit plasmids, which saves time and money associated with shipping plasmids themselves. All plasmids are fully sequenced for validation and sequencing data is openly available. We handle the appropriate Material Transfer Agreements (MTA) with institutions, facilitating open exchange and offering intellectual property and liability protection for depositing scientists. Furthermore, we curate free educational resources for the scientific community including a blog, eBooks, video protocols, and detailed molecular biology resources.
URL: http://www.addgene.org
