1. Anthon, G., and Emerich, D., 1990, Developmental regulation of enzymes of sucrose and hexose metabolism in effective and ineffective soybean nodules, Plant Physiol. 92:346–351.
2. Ardourel, M., Demont, N., Debelle, F., Maillet, F., deBilly, F., Prome, J.-C., Denarie, J., and Truchet, G., 1994, Rhizobium meliloti lipooligosaccharide nodulation factors: Different structural requirements for bacterial entry into target root hair cells and induction of plant symbiotic developmental responses, Plant Cell 6:1357–1374.
3. Atkins, C. A., 1981, Metabolism of purine nucleotides to form ureides in nitrogen-fixing nodules of cowpea (Vigna unguicilata L. Walp), FEBS Lett. 125:89–93.
4. Atkins, C. A., 1991, Ammonia assimilation and export of nitrogen from the legume nodule, in Biology and Biochemistry of Nitrogen Fixation (M. Dilworth and A. Glenn, eds.), pp. 293–319, Elsevier, Amsterdam.
5. Atkins, C. A., Sanford, P. J., Storer, P. J., and Pate, J. S., 1988, Inhibition of nodule functioning in cowpea by a xanthine oxido reductase inhibitor, allopurinol, Plant Physiol. 88:1229–1234.