银大麻哈鱼（Oncorhynchus kisutch）幼鱼向稚鱼转变过程中三磷酸核苷、血红蛋白和血细胞比容的血液水平变化。

Changes in blood levels of nucleoside triphosphates, hemoglobin and hematocrits during parr-smolt transformation of coho salmon (Oncorhynchus kisutch).

作者信息

Zaugg W S, McLain L R

出版信息

Comp Biochem Physiol A Comp Physiol. 1986;84(3):487-93. doi: 10.1016/0300-9629(86)90354-3.

DOI:10.1016/0300-9629(86)90354-3

Abstract

Increases and subsequent decreases in gill Na+-K+ ATPase activity during parr-smolt transformation in coho salmon were accompanied by changes in blood nucleoside triphosphate (NTP) levels, hemoglobin concentrations and hematocrits. An advanced photoperiod schedule accelerated the parr-smolt transformation and the rate of changes in Na+-K+ ATPase activity, NTP and hematocrit levels. Ratios of NTP:hematocrits and of NTP:hemoglobin increased during smoltification. Hematological changes suggest preparation for increased oxygen demand during migration and greater energy requirements by erythrocytes during smoltification and sea-water adaptation.

摘要

银大麻哈鱼从幼鲑向稚鲑转变过程中，鳃部钠钾ATP酶活性先升高后降低，同时伴随着血液中三磷酸核苷（NTP）水平、血红蛋白浓度和血细胞比容的变化。提前的光照周期加速了幼鲑向稚鲑的转变以及钠钾ATP酶活性、NTP和血细胞比容水平的变化速率。在稚鲑化过程中，NTP与血细胞比容以及NTP与血红蛋白的比值升高。血液学变化表明，在洄游期间为满足增加的氧气需求以及在稚鲑化和海水适应过程中红细胞对更多能量的需求做准备。

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