N4-methylcytosine as a minor base in bacterial DNA

J Bacteriol. 1987 Mar;169(3):939-43. doi: 10.1128/jb.169.3.939-943.1987.

Abstract

The DNA base composition, including the minor base content, of 26 strains of bacteria was determined. The studied bacteria are sources of widely used restriction endonucleases. Approximately 35% of the bacterial DNAs contained N4-methylcytosine, about 60% contained 5-methylcytosine, and about 90% had N6-methyladenine.

Publication types

  • Comparative Study
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Bacteria / analysis*
  • Cytosine / analogs & derivatives*
  • Cytosine / analysis
  • DNA Restriction Enzymes
  • DNA, Bacterial* / isolation & purification
  • Species Specificity

Substances

  • DNA, Bacterial
  • N(4)-methylcytosine
  • Cytosine
  • DNA Restriction Enzymes