Hoven's carp Leptobarbus hoevenii strategized metabolism needs to cope with changing environment

文献类型： 外文期刊

第一作者： Mohamad, Suhaini

作者： Mohamad, Suhaini;Rahmah, Sharifah;Zainuddin, Rabiatul Adawiyyah;Thallib, Yusnita A.;Razali, Ros Suhaida;Jalilah, Mohamad;Abd Ghaffar, Mazlan;Liew, Hon Jung;Rahmah, Sharifah;Liew, Hon Jung;Abd Ghaffar, Mazlan;Abd Ghaffar, Mazlan;Lim, Leong-Seng;Chang, Yu Mei;Liang, Li Qun;Liew, Hon Jung;Das, Simon Kumar;Das, Simon Kumar;Chen, Young-Mao;Chen, Young-Mao

作者机构：

关键词： Climate change; Osmorespiration; Physiology; Energy; Teleost

期刊名称：HELIYON （ 影响因子：4.0； 五年影响因子：4.1 ）

ISSN：

年卷期： 2024 年 10 卷 4 期

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收录情况： SCI

摘要： Current water warming and freshwater acidification undoubtedly affect the life of aquatic animals especially ammonotelic teleost by altering their physiological responses. The effect of temperature (28 degrees C vs 32 degrees C) and pH (7 vs. 5) on the metabolic compromising strategies of Hoven's carp (Leptobarbus hoevenii) was investigated in this study. Fishes were conditioned to (i) 28 degrees C + pH 7 (N-28 degrees C); (ii) 32 degrees C + pH 7 (N-32 degrees C); (iii) 28 degrees C + pH 5 (L-28 degrees C) and (iv) 32 degrees C + pH 5 (L-32 degrees C) for 20 days followed by osmorespiration assay. Results showed that feeding performance of Hoven's carp was significantly depressed when exposed to low pH conditions (L-28 degrees C and L-32 degrees C). However, by exposed Hoven's carp to L-32 degrees C induced high metabolic oxygen intake and ammonia excretion to about 2x-folds higher compared to the control group. As for energy mobilization, Hoven's carp mobilized liver and muscle protein under L-28 degrees C condition. Whereas under high temperature in both pH, Hoven's carp had the tendency to reserve energy in both of liver and muscle. The findings of this study revealed that Hoven's carp is sensitive to lower water pH and high temperature, thereby they remodeled their physiological needs to cope with the environmental changes condition.

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