EFFECT OF ETHYLENE AND AUXIN ON CELL-WALL EXTENSIBILITY OF THE SEMI-AQUATIC FERN, REGNELLIDIUM-DIPHYLLUM

被引：24

作者：

COOKSON, C ^{[1
]}

OSBORNE, DJ ^{[1
]}

机构：

[1] ARC,WEED RES ORG,DEV BOT,CAMBRIDGE CB3 0DY,ENGLAND

来源：

PLANTA | 1979年 / 146卷 / 03期

关键词：

Aquatic plants; Auxin; Cell elongation; Cell wall extensibility; Ethylene; Regnellidium; Stress-relaxation;

D O I：

10.1007/BF00387802

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Ethylene and auxin both enhance cell elongation growth in the rachis of the frond of Regnellidium diphyllum. Measurements of the stress relaxation modulus of the walls of methanol-killed rachis segments show that both auxin and ethylene cause an increase in cell wall extensibility, that the effects are additive, and that they occur in the presence of hypertonic solutions of mannitol that preclude cell elongation. The results are taken as evidence for the operation of two separate mechanisms for cell wall loosening. © 1979 Springer-Verlag.

引用

页码：303 / 307

页数：5

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