NOVEL OCCURRENCE OF UNCOMMON POLYAMINES IN HIGHER-PLANTS

被引：40

作者：

KUEHN, GD ^{[1
]}

RODRIGUEZGARAY, B ^{[1
]}

BAGGA, S ^{[1
]}

PHILLIPS, GC ^{[1
]}

机构：

[1] NEW MEXICO STATE UNIV,DEPT AGRON & HORT,PLANT GENET ENGN LAB,LAS CRUCES,NM 88003

来源：

PLANT PHYSIOLOGY | 1990年 / 94卷 / 03期

关键词：

D O I：

10.1104/pp.94.3.855

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

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.s.

引用

页码：855 / 857

页数：3

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