Characterization of glucose metabolism in high-growth performance Nile tilapia (Oreochromis niloticus)

Chen, Binglin; Xiao, Wei; Li, Dayu; Zou, Zhiying; Zhu, Jinglin; Yu, Jie; Yang, Hong

doi:10.1016/j.aquaculture.2023.740317

Aquaculture

2024

DOI: 10.1016/j.aquaculture.2023.740317

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Characterization of glucose metabolism in high-growth performance Nile tilapia (Oreochromis niloticus)

Binglin Chen,

Wei Xiao,

Dayu Li

et al.

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2024

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Cited by 1 publication

References 81 publications

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Characterizing Growth-Retarded Japanese Eels (Anguilla japonica): Insights into Metabolic and Appetite Regulation

Zeng,

Liu,

Chen

et al. 2024

Metabolites

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During field surveys and culture procedures, large growth disparities in Anguilla japonica have been observed. However, the potential causes are unknown. This study explored differences in digestive ability, metabolic levels, and transcriptomic profiles of appetite-related genes between growth-retarded eel (GRE) and normal-growing eel (NGE) under the same rearing conditions. The results showed that growth hormone (gh) mRNA expression in GREs was considerably lower than NGEs. The levels of total protein (TP), total cholesterol (T-CHO), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), blood ammonia (BA), blood urea nitrogen (BUN), and alkaline phosphatase (ALP) in GREs were significantly lower than in NGEs. Conversely, levels of glucose (GLU), alanine aminotransferase (ALT), and aspartate transaminase (AST) were higher in GREs. The activities of SOD, CAT, and T-AOC levels were also significantly lower in GREs, as were the activities of glucose-related enzymes including hexokinase (HK), pyruvate kinase (PK), phosphoenolpyruvate carboxykinase (PEPCK), and glucose-6-phosphatase (G6PASE). Additionally, orexigenic genes (npy and ghrelin) were dramatically downregulated, whereas anorexigenic genes (crh and pyy) were significantly upregulated in GREs. These findings suggested that variances in growth hormone, metabolic activities, and appetite level could be associated with the different growth rates of A. japonica. The present research not only revealed the characteristics of the growth, metabolism, and appetite of GREs but also offered new perspectives into the substantial growth discrepancies in A. japonica, providing novel ideas for enhancing fish growth.

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Characterizing Growth-Retarded Japanese Eels (Anguilla japonica): Insights into Metabolic and Appetite Regulation

Zeng,

Liu,

Chen

et al. 2024

Metabolites

View full text Add to dashboard Cite

show abstract

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Characterization of glucose metabolism in high-growth performance Nile tilapia (Oreochromis niloticus)

Cited by 1 publication

References 81 publications

Characterizing Growth-Retarded Japanese Eels (Anguilla japonica): Insights into Metabolic and Appetite Regulation

Characterizing Growth-Retarded Japanese Eels (Anguilla japonica): Insights into Metabolic and Appetite Regulation

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