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Novel occurrence of uncommon polyamines in higher plants.

Authors
  • Kuehn, G D
  • Rodriguez-Garay, B
  • Bagga, S
  • Phillips, G C
Type
Published Article
Journal
PLANT PHYSIOLOGY
Publisher
American Society of Plant Biologists
Publication Date
Nov 01, 1990
Volume
94
Issue
3
Pages
855–857
Identifiers
PMID: 16667862
Source
Medline
License
Unknown

Abstract

Diamines and polyamines are ubiquitous components of living cells, and apparently are involved in numerous cellular and physiological processes. Certain "uncommon" polyamines have limited distribution in nature and have been associated primarily with organisms adapted to extreme environments, although the precise function of these polyamines in such organisms is unknown. This article summarizes current knowledge regarding the occurrence in higher plants of the uncommon polyamines related to and including norspermidine and norspermine. A putative biosynthetic pathway to account for the occurrences of these uncommon polyamines in higher plants is presented, with a summary of the supporting evidence indicating the existence of the requisite enzymatic activities in alfalfa, Medicago sativa L.

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