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. 1985 Oct;164(1):192-200.
doi: 10.1128/jb.164.1.192-200.1985.

Membrane particles from Escherichia coli and Bacillus subtilis, containing penicillin-binding proteins and enriched for chromosomal-origin DNA

E J Bone, J A Todd, D J Ellar, M G Sargent, A W Wyke

Membrane particles from Escherichia coli and Bacillus subtilis, containing penicillin-binding proteins and enriched for chromosomal-origin DNA

E J Bone et al. J Bacteriol. 1985 Oct.

Abstract

Rapid-sedimenting DNA-membrane complexes were obtained from both Bacillus subtilis and Escherichia coli by a method involving gentle lysis followed by restriction enzyme digestion and sucrose gradient fractionation. These complexes were substantially enriched in chromosomal origin DNA, and in B. subtilis, the complexes were enriched in penicillin-binding proteins relative to that of the total membrane. Such complexes may represent procaryotic membrane domains which are topographically and functionally distinct.

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References

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