# β-d-glucosyl-hydroxymethyluracil: A novel modified base present in the DNA of the parasitic protozoan T. brucei

@article{GommersAmpt1993dglucosylhydroxymethyluracilAN,
title={$\beta$-d-glucosyl-hydroxymethyluracil: A novel modified base present in the DNA of the parasitic protozoan T. brucei},
author={J. Gommers-Ampt and F. Leeuwen and Antonius L. J. de Beer and J. Vliegenthart and M. Dizdaroglu and J. Kowalak and P. Crain and P. Borst},
journal={Cell},
year={1993},
volume={75},
pages={1129-1136}
}
We have previously shown that the DNA of the unicellular eukaryote T. brucei contains about 0.1% of a novel modified base, called J. The presence of J correlates with a DNA modification associated with the silencing of telomeric expression sites for the variant surface antigens of trypanosomes. Here we show that J is 5-((beta-D-glucopyranosyloxy)-methyl)-uracil (shortened to beta-D-glucosyl-hydroxymethyluracil), a base not previously found in DNA. We discuss putative pathways for the… Expand
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