IMMUNOCYTOCHEMICAL LOCALIZATION OF INDOLE-3-ACETIC-ACID IN PRIMARY ROOTS OF ZEA-MAYS

被引：26

作者：

SHI, L

MILLER, I

MOORE, R

机构：

[1] UNIV AKRON,DEPT BIOL,AKRON,OH 44325

[2] WRIGHT STATE UNIV,DEPT BIOL SCI,DAYTON,OH 45435

来源：

PLANT CELL AND ENVIRONMENT | 1993年 / 16卷 / 08期

关键词：

ZEA-MAYS; CORN; INDOLE-3-ACETIC ACID (IAA); COLLOIDAL GOLD IMMUNOCYTOCHEMISTRY;

D O I：

10.1111/j.1365-3040.1993.tb00520.x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Colloidal gold-labelled antibody was used to localize indole-3-acetic acid in caps of primary roots of Z. mays cv. Kys. Gold particles accumulated on the nucleus, vacuoles, mitochondria, and some dictyosomes and dictyosome-derived vesicles. This is the first localization of indole-3-acetic acid in dictyosomes and dictyosome-derived vesicles and indicates that dictyosomes and vesicles constitute a pathway for indole-3-acetic acid movement in and secretion from root cap cells. Our findings provide cytochemical evidence to support the hypothesis that indole-3-acetic acid plays an important role in root gravitropism.

引用

页码：967 / 973

页数：7