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GeneCorner host details

Last data update: 20 September 2021 09:16 CEST

Host name: Escherichia coli K12 DH5αF (LMBP 1596)

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Species:Escherichia coli
Group:K12
Strain designation:DH5αF
Accession number: LMBP 1596
Depositor: Prof. Dr E. Remaut1 2
1 Department for Molecular Biomedical Research, VIB, Ghent, Belgium
2 Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
Containment level: This strain has been assigned the containment level Class 1 following the European Directive 2009/41/EC on the contained use of genetically modified organisms, and its updates (see also the Belgian risk group classification).
Medium: LB-Lennox
Selection marker: /
Temperature: 37°C
Genotype: F+ Δ(argF-lac)169 φ80dlacZ58(M15) ΔphoA8 glnX44(AS) λ- deoR481 rfbC1 gyrA96 recA1 endA1 thiE1 hsdR17
Phenotype: NalR rK- mK+
Properties: Useful strain for Lacα complementation. This strain does not contain the lacIq gene and therefore repression on the lac promoter, present on high-copy plasmids, is incomplete. Consequently, this strain does not require IPTG to induce expression from the lac promoter even though it expresses the Lac repressor. The copy number of most plasmids exceeds the repressor number in the cells. If there are concerns about obtaining maximal levels of expression, add IPTG to a final concentration of 1 mM.
Further information: This strain contains the F factor of NK3 and therefore can be used for infection with M13 or fd phages and derivatives.
Original reference: -
Related reference: Hanahan, J. Mol. Biol. 166 (1983), 557-580 [PMID: 6345791]
Grant et al., Proc. Natl. Acad. Sci. U.S.A. 87 (1990), 4645-4649 [PMID: 2162051]
Woodcock et al., Nucleic Acids Res. 17 (1989), 3469-3478 [PMID: 2657660]
Restricted use: - BCCM MTA

Refer in your Materials and Methods:

Escherichia coli K12 DH5αF (LMBP 1596) is available at BCCM/GeneCorner. It was deposited by Prof. Dr E. Remaut.

Note: Up-to-date, validated data are enclosed with the biological material. Nevertheless, these data are a snapshot at a given moment; further updates are always possible.

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