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两种蝙蝠的红细胞代谢:普通弯翅蝠(Miniopterus schreibersii)和红果蝠(Pteropus scapulatus)。

Erythrocyte metabolism in two species of bats: common bent-wing bat (Miniopterus schreibersii) and red fruit bat (Pteropus scapulatus).

作者信息

Agar N S, Godwin I R

机构信息

Department of Physiology, University of New England, Armidale N.S.W., Australia.

出版信息

Comp Biochem Physiol B. 1992 Jan-Feb;101(1-2):9-12. doi: 10.1016/0305-0491(92)90150-p.

DOI:10.1016/0305-0491(92)90150-p
PMID:1499281
Abstract
  1. Metabolic intermediates, substrate utilization and enzyme activities were determined in the red blood cells of the common bent-wing bat and the red fruit bat. Standard haematological parameters and oxy-haemoglobin dissociation curves were also determined in both species. 2. The glycolytic rate as measured by lactate production was much higher for all substrates in the bent-wing bats. The activities of the glycolytic enzymes were also much higher in this species. 3. The standard haematological parameters were similar for the two species. The levels of 2,3-diphosphoglycerate (DPG) in the red cells of the fruit bat were nearly twice as high as those in the bent-wing bats. 4. The oxy-haemoglobin dissociation curve for the red fruit bat was located to the right of that for the bent-wing bat and both these curves were located to the right of that normally seen for human blood. 5. Both species of bat show blood characteristics well adapted to carrying the increased oxygen demands of flight.
摘要
  1. 测定了普通弯翅蝠和红果蝠红细胞中的代谢中间产物、底物利用情况及酶活性。还测定了这两个物种的标准血液学参数和氧合血红蛋白解离曲线。2. 弯翅蝠中,所有底物通过乳酸生成所测得的糖酵解速率都高得多。该物种中糖酵解酶的活性也高得多。3. 两个物种的标准血液学参数相似。果蝠红细胞中2,3-二磷酸甘油酸(DPG)的水平几乎是弯翅蝠的两倍。4. 红果蝠的氧合血红蛋白解离曲线位于弯翅蝠的右侧,且这两条曲线都位于人类血液通常所见曲线的右侧。5. 两种蝙蝠都表现出适应飞行中增加的氧气需求的血液特征。

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