SULFATE UPTAKE IN CHLAMYDOMONAS-REINHARDTII

被引：0
|
作者：
PEREZCASTINEIRA, JR
PRIETO, JL
VEGA, JM
机构：
来源：
PHYTON-ANNALES REI BOTANICAE | 1992年 / 32卷 / 03期
关键词：
EUKARYOTIC MICROALGAE; S-DEPRIVED CELLS; SULFUR METABOLISM;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Sulfate uptake by the green alga Chlamydomonas reinhardtii is a light-dependent saturable process with maximal rate at 0.3 mM sulfate. Kinetically, the transport appears to be multifasic with at least two Km values about 10 and 40 muM. It can be efficiently inhibited by sulfite and chromate. Sulfate uptake was significantly enhanced in S-starved cells, the initial uptake rate being doubled after 30 min under S-deprived conditions.
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页码：91 / 94
页数：4
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