Abstract
Cadaverine was found to be formed in Pisum sativum seedlings via a specific lysine decarboxylation pathway as revealed by specific inhibitor studies. Lysine decarboxylation activity was recorded in the meristems and non-meristematic tissue of the shoots and the roots. In the shoot elongation zone, the specific activity was double that in the other tissues and cadaverine level was 90-fold higher. The results presented in this study suggest possible regulatory control by polyamines of lysine decarboxylase activity in Pisum sativum seedlings.
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Abbreviations
- LDC:
-
lysine decarboxylase
- α-DFMO:
-
DL-α-difluoromethyl ornithine
- α-DFMA:
-
DL-α-difluoromethyl arginine
- PLP:
-
pyridoxal phosphate
- DTT:
-
dithiothreitol
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Communicated by D. von Wettstein
This paper is Contribution No. 1380-E, 1985 series, from the Agricultural Research Organization, The Volcani Center, Bet Dagan 50250, Israel
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Bakhanashvili, M., Icekson, I. & Apelbaum, A. Cadaverine formation by specific lysine decarboxylation in Pisum sativum seedlings. Plant Cell Reports 4, 297–299 (1985). https://doi.org/10.1007/BF00269882
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DOI: https://doi.org/10.1007/BF00269882