1. Abel, S., and Glund, K., 1986, Localization of RNA-degrading enzyme activity within vacuoles of cultured tomato cells, Physiol. Plant., 66: 79.
2. Baumgartner, B., Tokuyasu, K. T., and Chrispeels, M. J., 1978, Localization of vicilin peptidohydrolase in the cotyledons of mung bean seedlings by immunofluorescence microscopy, J. Cell. Biol., 79: 10.
3. Bhalla, P. L., and Dalling, M. J., Endopeptidases and carboxypeptidase enzymes of vacuoles from mesophyll protoplasts of the primary leaf of wheat seedlings, J. Plant
Physiol., 122: 289.
4. Blumwald, E., Fortin, M. G., Rea, P. A., Verma, D. P. S., and Poole, R. J., 1985
5. Presence of host-plasma membrane type H+-ATPase in the membrane enve-lope enclosing the bacteroids in soybean root nodule, Plant
Physiol., 78:665.