Effect of brassinosteroids on growth and proton extrusion in the alga Chlorella vulgaris Beijerinck (Chlorophyceae)

被引：31
|
作者：
Bajguz, A
Czerpak, R
机构：
[1] Institute of Biology, University of Warsaw, Branch in Bialystok, 15-950 Bialystok
来源：
JOURNAL OF PLANT GROWTH REGULATION | 1996年 / 15卷 / 03期
关键词：
alga; brassinosteroids; growth; proton extrusion;
D O I：
10.1007/BF00198931
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Brassinolide, as a plant hormone, promotes growth of a number of plant species. Similar effects are induced by its epimer 24-epibrassinolide. In this paper we discuss the effects of brassinosteroids on the growth and proton extrusion in the green alga Chlorella vulgaris (Chlorophyceae). At concentrations between 10(-15) and 10(-8) M, brassinolide and 24-epibrassinolide induce a significant stimulation of growth and H+ extrusion. The growth was associated with an increase in the capability of algal cells to acidify the medium, where brassinolide is biologically more active than 24-epibrassinolide.
引用
收藏
页码：153 / 156
页数：4
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