Quantitative evaluation of Escherichia coli host strains for tolerance to cytosine methylation in plasmid and phage recombinants

D. M. Woodcock; P. J. Crowther; J. Doherty; S. Jefferson; E. Decruz; M. Noyer-Weidner; S. S. Smith; M. Z. Michael; M. W. Graham

doi:10.1093/nar/17.9.3469

Quantitative evaluation of Escherichia coli host strains for tolerance to cytosine methylation in plasmid and phage recombinants

D. M. Woodcock, P. J. Crowther, J. Doherty, S. Jefferson, E. Decruz, M. Noyer-Weidner, S. S. Smith, M. Z. Michael, M. W. Graham

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Abstract

Many strains of E.coli K12 restrict DNA containing cytosine methylation such as that present in plant and animal genomes. Such restriction can severely inhibit the efficiency of cloning genomic DNAs. We have quantitatively evaluated a total of 39 E.coli strains for their tolerance to cytosine methylation in phage and plasmid cloning systems. Quantitative estimations of relative tolerance to methylation for these strains are presented, together with the evaluation of the most promising strains in practical recombinant cloning situations. Host strains are recommended for different recombinant cloning requirements. These data also provide a rational basis for future construction of 'ideal' hosts combining optimal methylation tolerance with additional advantageous mutations.

Original language	English
Pages (from-to)	3469-3478
Number of pages	10
Journal	Nucleic Acids Research
Volume	17
Issue number	9
DOIs	https://doi.org/10.1093/nar/17.9.3469
Publication status	Published - 11 May 1989
Externally published	Yes

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abstract = "Many strains of E.coli K12 restrict DNA containing cytosine methylation such as that present in plant and animal genomes. Such restriction can severely inhibit the efficiency of cloning genomic DNAs. We have quantitatively evaluated a total of 39 E.coli strains for their tolerance to cytosine methylation in phage and plasmid cloning systems. Quantitative estimations of relative tolerance to methylation for these strains are presented, together with the evaluation of the most promising strains in practical recombinant cloning situations. Host strains are recommended for different recombinant cloning requirements. These data also provide a rational basis for future construction of 'ideal' hosts combining optimal methylation tolerance with additional advantageous mutations.",

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T1 - Quantitative evaluation of Escherichia coli host strains for tolerance to cytosine methylation in plasmid and phage recombinants

AU - Woodcock, D. M.

AU - Crowther, P. J.

AU - Doherty, J.

AU - Jefferson, S.

AU - Decruz, E.

AU - Noyer-Weidner, M.

AU - Smith, S. S.

AU - Michael, M. Z.

AU - Graham, M. W.

PY - 1989/5/11

Y1 - 1989/5/11

N2 - Many strains of E.coli K12 restrict DNA containing cytosine methylation such as that present in plant and animal genomes. Such restriction can severely inhibit the efficiency of cloning genomic DNAs. We have quantitatively evaluated a total of 39 E.coli strains for their tolerance to cytosine methylation in phage and plasmid cloning systems. Quantitative estimations of relative tolerance to methylation for these strains are presented, together with the evaluation of the most promising strains in practical recombinant cloning situations. Host strains are recommended for different recombinant cloning requirements. These data also provide a rational basis for future construction of 'ideal' hosts combining optimal methylation tolerance with additional advantageous mutations.

AB - Many strains of E.coli K12 restrict DNA containing cytosine methylation such as that present in plant and animal genomes. Such restriction can severely inhibit the efficiency of cloning genomic DNAs. We have quantitatively evaluated a total of 39 E.coli strains for their tolerance to cytosine methylation in phage and plasmid cloning systems. Quantitative estimations of relative tolerance to methylation for these strains are presented, together with the evaluation of the most promising strains in practical recombinant cloning situations. Host strains are recommended for different recombinant cloning requirements. These data also provide a rational basis for future construction of 'ideal' hosts combining optimal methylation tolerance with additional advantageous mutations.

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EP - 3478

JO - Nucleic Acids Research

JF - Nucleic Acids Research

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ER -

Quantitative evaluation of Escherichia coli host strains for tolerance to cytosine methylation in plasmid and phage recombinants

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