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糖和氨基酸转运反应中的物种差异。

Species differences in the response of sugar and amino acid transport.

作者信息

Garg V K, Agrawal V P

出版信息

Acta Physiol Acad Sci Hung. 1979;53(3):337-43.

PMID:543401
Abstract

Transport of xylose, glycine and leucine at six different concentrations (1.25, 2.5, 5.0, 10.0, 25.0 and 50.0 mM) has been studied in Ophiocephalus punctatus and Heteropneustes fossilis. With the increase in the concentration of the compounds in the filling solution, a corresponding increase is brought about in the transport rate. On a further increase in the concentration of the compounds transport rate is reduced. The transport of these nutrients has also been determined at 15, 30, 60, 90, 120, 180 and 240 min intervals. Absorption is significant even at the 15 min stage. At low concentrations of the sugars and leucine, the process was more active in comparison to higher concentrations. Variations in the transport of nutrients were noted in the two fishes.

摘要

已对斑鳢和胡子鲇体内木糖、甘氨酸和亮氨酸在六种不同浓度(1.25、2.5、5.0、10.0、25.0和50.0毫摩尔)下的转运情况进行了研究。随着填充溶液中化合物浓度的增加,转运速率相应提高。当化合物浓度进一步增加时,转运速率降低。这些营养素的转运情况也已在15、30、60、90、120、180和240分钟的时间间隔内测定。即使在15分钟阶段,吸收也很显著。与较高浓度相比,在糖和亮氨酸浓度较低时,该过程更活跃。在这两种鱼类中,观察到了营养素转运的差异。

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