急性和慢性缺氧对中国对虾运动和能量代谢酶的影响

IF 0.9 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY

Marine and Freshwater Behaviour and Physiology Pub Date : 2018-09-03 DOI:10.1080/10236244.2018.1561150

Jiangtao Li, Xiu-wen Xu, Wentao Li, Xiumei Zhang

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引用次数: 7

摘要

为了研究中国对虾(Fenneropenaeus chinensis)的运动行为及其与生理调节的关系，将动物置于6.0(常氧)、4.5和3.0 mg L-1溶解氧(DO)环境1天(急性)和15天(慢性)，测定其游泳和翻尾能力，以及肝胰脏、足部和腹肌中参与厌氧和有氧代谢的关键酶的活性。结果表明，在缺氧条件下，肝胰脏比足类肌肉和腹肌更有动力。肌肉的生理差异导致运动的差异。在3.0 mg L-1 DO的慢性缺氧条件下，中国对虾对厌氧糖酵解的依赖减少，但这种生理调节减少了野生对虾的存活率，因为尾巴翻转减少了。这些结果提示，在评估虾在缺氧条件下的生存策略时，应同时考虑生理调节和行为变化。

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Effects of acute and chronic hypoxia on the locomotion and enzyme of energy metabolism in Chinese shrimp Fenneropenaeus chinensis

ABSTRACT To characterize the locomotor behaviors and their relation with physiological regulation in Chinese shrimp Fenneropenaeus chinensis, animals were held at approximately 6.0 (normoxia), 4.5, and 3.0 mg L-1 dissolved oxygen (DO) for 1 day (acute) and 15 days (chronic), after which the swimming and tail-flipping abilities, and the activities of key enzymes involved in anaerobic and aerobic metabolism in hepatopancreas and pleopod and abdominal muscles were determined. Results showed that hepatopancreas was preferentially powered compared with pleopod and abdominal muscles during hypoxia. Physiological differences in muscles resulted in locomotion differences. F. chinensis presented reduced reliance on anaerobic glycolysis to conserve energy during chronic hypoxia at 3.0 mg L-1 DO, but this physiological regulation reduce the survival of shrimp in the wild due to a reduction in tail-flipping. These findings suggested that when assessing the survival strategy of shrimp during hypoxia, both physiological regulation and behavioral changes should be considered.

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来源期刊

Marine and Freshwater Behaviour and Physiology 生物-海洋与淡水生物学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Marine and Freshwater Behaviour and Physiology is devoted to the publication of papers covering field and laboratory research into all aspects of the behaviour and physiology of all marine and freshwater animals within the contexts of ecology, evolution and conservation. As the living resources of the world’s oceans, rivers and lakes are attracting increasing attention as food sources for humans and for their role in global ecology, the journal will also publish the results of research in the areas of fisheries biology and technology where the behaviour and physiology described have clear links to the contexts mentioned above. The journal will accept for publication Research Articles, Reviews, Rapid Communications and Technical Notes (see Instructions for authors for details). In addition, Editorials, Opinions and Book Reviews (invited and suggested) will also occasionally be published. Suggestions to the Editor-In-Chief for Special Issues are encouraged and will be considered on an ad hoc basis. With the goal of supporting early career researchers, the journal particularly invites submissions from graduate students and post-doctoral researchers. In addition to recognising the time constraints and logistical limitations their research often faces, and their particular need for a prompt review process, accepted articles by such researchers will be given prominence within the journal (see Instructions for authors for details).