The effect of differential methylation by Escherichia coli of plasmid DNA and phage T7 and [lambda] DNA on the cleavage by restriction endonuclease MboI from Moraxella bovis

Dreiseikelmann B, Eichenlaub R, Wackernagel W (1979)
Biochimica et Biophysica Acta, Nucleic Acids and Protein Synthesis 562(3): 418-428.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Abstract / Bemerkung
The nucleotide sequence recognized and cleaved by the restriction endonuclease MboI is 5 ' GATC and is identical to the central tetranucleotide of the restriction sites of BamHI and BglII. Experiments on the restriction of DNA from Escherichia coli dam and dam + confirm the notion that GATC sequences are adenosyl-methylated by the dam function of E. coli and thereby are made refractory to cleavage by MboI. On the basis of this observation the degree of dam methylation of various DNAs was examined by cleavage with MboI and other restriction endonucleases. In plasmid DNA essentially all of the GATC sequences are methylated by the dam function. The DNA of phage [lambda] is only partially methylated. Extended methylation is observed in the DNA of a substitution mutant of [lambda], [lambda] gal 8bio 256, and in the [lambda] derived plasmid, [lambda]dv93, which is completely methylated. In contrast, phage T7 DNA is not methylated by dam. A suppression of dam methylation of T7 DNA appears to act only in cis since plasmid DNA replicated in a T7-infected cell is completely methylated. The results are discussed with respect to the participation of the dam methylase in different replication systems.
Erscheinungsjahr
Zeitschriftentitel
Biochimica et Biophysica Acta, Nucleic Acids and Protein Synthesis
Band
562
Zeitschriftennummer
3
Seite
418-428
ISSN
PUB-ID

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Dreiseikelmann B, Eichenlaub R, Wackernagel W. The effect of differential methylation by Escherichia coli of plasmid DNA and phage T7 and [lambda] DNA on the cleavage by restriction endonuclease MboI from Moraxella bovis. Biochimica et Biophysica Acta, Nucleic Acids and Protein Synthesis. 1979;562(3):418-428.
Dreiseikelmann, B., Eichenlaub, R., & Wackernagel, W. (1979). The effect of differential methylation by Escherichia coli of plasmid DNA and phage T7 and [lambda] DNA on the cleavage by restriction endonuclease MboI from Moraxella bovis. Biochimica et Biophysica Acta, Nucleic Acids and Protein Synthesis, 562(3), 418-428. doi:10.1016/0005-2787(79)90105-9
Dreiseikelmann, B., Eichenlaub, R., and Wackernagel, W. (1979). The effect of differential methylation by Escherichia coli of plasmid DNA and phage T7 and [lambda] DNA on the cleavage by restriction endonuclease MboI from Moraxella bovis. Biochimica et Biophysica Acta, Nucleic Acids and Protein Synthesis 562, 418-428.
Dreiseikelmann, B., Eichenlaub, R., & Wackernagel, W., 1979. The effect of differential methylation by Escherichia coli of plasmid DNA and phage T7 and [lambda] DNA on the cleavage by restriction endonuclease MboI from Moraxella bovis. Biochimica et Biophysica Acta, Nucleic Acids and Protein Synthesis, 562(3), p 418-428.
B. Dreiseikelmann, R. Eichenlaub, and W. Wackernagel, “The effect of differential methylation by Escherichia coli of plasmid DNA and phage T7 and [lambda] DNA on the cleavage by restriction endonuclease MboI from Moraxella bovis”, Biochimica et Biophysica Acta, Nucleic Acids and Protein Synthesis, vol. 562, 1979, pp. 418-428.
Dreiseikelmann, B., Eichenlaub, R., Wackernagel, W.: The effect of differential methylation by Escherichia coli of plasmid DNA and phage T7 and [lambda] DNA on the cleavage by restriction endonuclease MboI from Moraxella bovis. Biochimica et Biophysica Acta, Nucleic Acids and Protein Synthesis. 562, 418-428 (1979).
Dreiseikelmann, Brigitte, Eichenlaub, Rudolf, and Wackernagel, Wilfried. “The effect of differential methylation by Escherichia coli of plasmid DNA and phage T7 and [lambda] DNA on the cleavage by restriction endonuclease MboI from Moraxella bovis”. Biochimica et Biophysica Acta, Nucleic Acids and Protein Synthesis 562.3 (1979): 418-428.
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