CONTROL OF CELL-PROLIFERATION AND DIFFERENTIATION BY MODULATORS OF ETHYLENE BIOSYNTHESIS AND ACTION IN BRASSICA HYPOCOTYL EXPLANTS

被引：32

作者：

SETHI, U ^{[1
]}

BASU, A ^{[1
]}

GUHAMUKHERJEE, S ^{[1
]}

机构：

[1] JAWAHARLIAL NEHRU UNIV,SCH LIFE SCI,PLANT RES LAB,NEW DELHI 110067,INDIA

来源：

PLANT SCIENCE | 1990年 / 69卷 / 02期

关键词：

amino acids; differentiation; ethylene; polyamines; proliferation;

D O I：

10.1016/0168-9452(90)90121-4

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In Brassica cultures, proliferation could be induced by ethylene precursors, S-adenosylmethionine (SAM) or 1-aminocyclopropane-1-carboxylic acid (ACC) with concomitant increase in the ethylene level, while the inhibitors of ethylene biosynthesis, aminoethoxyvinylglycine (AVG) and cobalt chloride, and the ethylene antagonist silver nitrate induced a higher percentage of shoot differentiation, with reduced ethylene level, compared to the hormone control. Putrescine (Put), spermidine (Spd) and the amino acids L-methionine or L-threonine, which increased proliferation, enhanced ethylene emanation as compared to the differentiating cultures raised on methylglyoxal-bis-(guanylhydrazone) (MGBG), L-leucine or L-isoleucine. © 1990.

引用

页码：225 / 229

页数：5

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