- Overexpression of GDP-mannose pyrophosphorylase in Saccharomyces cerevisiae corrects defects in dolichol-linked saccharide formation and protein glycosylation. Janik, A., Sosnowska, M., Kruszewska, J., Krotkiewski, H., Lehle, L., Palamarczyk, G. Biochim. Biophys. Acta (2003)