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| DOI | 10.1016/j.jtherbio.2024.103837 |
| Hypoxia alters the upper thermal limits and blood physiology in zebrafish, Danio rerio | |
| 发表日期 | 2024 |
| ISSN | 0306-4565 |
| EISSN | 1879-0992 |
| 起始页码 | 121 |
| 卷号 | 121 |
| 英文摘要 | Hypoxic aquatic environments occur more frequently as a result of climate change, thereby exerting challenges on the physiological and metabolic functions of aquatic animals. In this study, a model fish, zebrafish ( Danio rerio ) was used to observe the climate -induced hypoxic effect on the upper thermal limit (critical thermal maximum; CTmax), hemoglobin, and blood glucose levels, and abnormalities of erythrocytes at cellular and nuclear level. The value of CTmax decreased significantly under hypoxia (39.10 +/- 0.96 degrees C) compared to normoxia (43.70 +/- 0.91 degrees C). At CTmax, hemoglobin levels were much lower (9.33 +/- 0.60 g/dL) and blood glucose levels were significantly higher (194.20 +/- 11.33 mg/L) under hypoxia than they were under normoxia and at the beginning of the experiment. Increased frequencies of abnormalities in the erythrocytes at both cellular (fusion, twin, elongated, spindle and tear drop shaped) and nuclear (micronucleus, karyopyknosis, binuclei, nuclear degeneration and notched nuclei) levels were also found under hypoxia compared to normoxia. These results suggest that hypoxic conditions significantly alter the temperature tolerance and subsequent physiology in zebrafish. Our findings will aid in the development of effective management techniques for aquatic environments with minimum oxygen availability. |
| 英文关键词 | Climate change; Oxygen; Temperature; CTmax; Erythrocytes; Zebrafish |
| 语种 | 英语 |
| WOS研究方向 | Life Sciences & Biomedicine - Other Topics ; Zoology |
| WOS类目 | Biology ; Zoology |
| WOS记录号 | WOS:001218516200001 |
| 来源期刊 | JOURNAL OF THERMAL BIOLOGY
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/287851 |
| 作者单位 | Bangladesh Agricultural University (BAU); University of Bisha; Egyptian Knowledge Bank (EKB); Zagazig University |
| 推荐引用方式 GB/T 7714 | . Hypoxia alters the upper thermal limits and blood physiology in zebrafish, Danio rerio[J],2024,121. |
| APA | (2024).Hypoxia alters the upper thermal limits and blood physiology in zebrafish, Danio rerio.JOURNAL OF THERMAL BIOLOGY,121. |
| MLA | "Hypoxia alters the upper thermal limits and blood physiology in zebrafish, Danio rerio".JOURNAL OF THERMAL BIOLOGY 121(2024). |
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