1. Caputto, R., Leloir, L. F., Cardini, C. E., and Paladini, A. C. (1950),J. Biol. Chem. 184, 333–350.
2. Maxwell, E. S. (1957),J. Biol. Chem. 229, 139–151.
3. Preiss, J. (1991), in Mifflin, B., ed.,Oxford Surveys of Plant Molecular and Cell Biology, Vol. VII, Oxford University Press, Oxford, UK, pp. 59–114.
4. Smith, A. M., Betty, M., and Bedfold, I. D. (1989),Plant Physiol. 89 1279–1284.
5. Neufeld, E. and Hassid, W. Z. (1963) inAdvances in Carbohydrate Chemistry and Biochemistry, Vol. 18, Academic, New York, pp. 309–356.