Abstract
The activity of phosphoenolpyruvate carboxylase (E.C. 4.1.1.31) strongly increased during the maturation of soybean (Glycine max L. Weber) root-nodules. By using a specific immune serum it was shown that this increase was the consequence of an elevated population of enzyme molecules whose appearance preceded the emergence of nitrogen fixing capacity. Whether or not the phenomenon could be ascribed to the formation of a specific isoenzyme is not known. The location of the enzyme was also investigated. Immunocyto-fluorescence experiments established that phosphoenolpyruvate carboxylase was present in the cytoplasmic compartment of both infected and uninfected cells of nodules.
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Abbreviations
- PEPCase:
-
phosphoenolpyruvate carboxylase
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Vidal, J., Nguyen, J., Perrot-Rechenmann, C. et al. Phosphoenolpyruvate carboxylase in soybean root nodules: An immunochemical study. Planta 169, 198–201 (1986). https://doi.org/10.1007/BF00392314
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DOI: https://doi.org/10.1007/BF00392314