KINETICS OF POTASSIUM-TRANSPORT ACROSS TROUT GILLS

被引：13
作者：
GARDAIRE, E
ISAIA, J
BORNANCIN, M
机构：
来源：
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-PHYSIOLOGY | 1991年 / 99卷 / 04期
关键词：
FRESH-WATER TROUT; RAINBOW-TROUT; SALMO-GAIRDNERI; SEAWATER TELEOSTS; CALCIUM-UPTAKE; SODIUM; CHANNELS; ABSORPTION; EPITHELIUM; METABOLISM;
D O I：
10.1016/0300-9629(91)90139-4
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：
1. Kinetics of potassium transport across trout gills was studied, using an isolated-head preparation. 2. Potassium exchanges were shown to take place across secondary lamellae only. 3. Influx of potassium was saturable and fitted satisfactorily the Lineweaver-Burk linear plot. 4. Results suggest that these exchanges occur through potassium channel. 5. Kinetics of potassium exchanges is discussed in relation to the maintenance of the osmoregulation in fish.
引用
收藏
页码：615 / 620
页数：6
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