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Plant Physiology 48:419-425 (1971) © 1971 American Society of Plant Biologists Legumin Synthesis in Developing Cotyledons of Vicia faba L. 1a Department of Biology, University of California, San Diego, La Jolla, California, 92037
The synthesis of legumin in developing cotyledons of Vicia faba L. has been examined as a potential system for approaching the problem of differential gene expression. The pattern of legumin synthesis was determined during the growth of the cotyledon by microcomplement fixation which provided a sensitive and specific assay for legumin in the presence of vicilin. Legumin was detected even in young cotyledons. However, when the cotyledons were about 10 millimeters long, and cell division was essentially complete, there was a sharp increase in the rate of legumin accumulation.
2 Permanent address: Division of Plant Industry, CSIRO, Canberra, A.C.T. 2601, Australia. 1 Research was supported by a grant from the National Science Foundation (GB-5173X) and by a grant from the National Institutes of Health (USPHS HD 03015).
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