JOURNAL OF FISH BIOLOGY
·
2021
·Vol. 99
·期 6
·1843-1856
·
IF 2.051
Liping Yang,Shaoyang Zhi,Guokun Yang,Chaobin Qin,Xiao Yan,Mingming Niu,Wenlei Zhang,Mingyu Liu,Mengjuan Zhao,Guoxing Nie
Glucose transporter 4 (GLUT4) is comprehensively investigated in mammals, while the comparative research of GLUT4 in common carp is deficient. To investigate the function of GLUT4, carp glut4 was first isolated. The open reading frame of carp glut4 was 1518 bp in length, encoding 505 amino acids. A high-sequence homology was identified in carp and teleost, and the phylogenetic tree displayed that the carp GLUT4 was clustered with the teleost. A high level of glut4 mRNA was analysed in fat, red muscle and white muscle. After fasting treatment, glut4 mRNA expression was increased significantly in muscle. In the oral glucose tolerance test experiment, glut4 mRNA was also significantly elevated in muscle, gut and fat. Furthermore, intraperitoneal injection of insulin resulted in the upregulation of glut4 gene expression significantly in white muscle, gut and fat. On the contrary, the glut4 mRNA level in the white muscle, gut and fat was markedly downregulated after glucagon injection. These results suggest that GLUT4 might play important roles in food intake and could be regulated by nutrient condition, insulin and glucagon in common carp. Our study is the first to report on GLUT4 in common carp. These data provide a basis for further study on fish GLUT4.
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高影响因子
TOXICON
·
2024
·
IF 2.6
Zunhan Hu,Ying Sun,Shujuan Liu,Yannan Xiang,Mengxin Li,Ying Li,Yuanyuan Li,Xiguang Liu,Mian Fu
Avermectin (AVM) has been utilized extensively in agricultural production since it is a low-toxicity pesticide. However, the pollution caused by its residues to fisheries aquaculture has been neglected. As an abundant polyphenolic substance in plants, ferulic acid (FA) possesses anti-inflammatory and antioxidant effects. The goal of the study is to assess the FA's ability to reduce liver damage in carp brought on by AVM exposure. Four groups of carp were created at random: the control group; the AVM group; the FA group; and the FA + AVM group. On day 30, and the liver tissues of carp were collected and examined for the detection of four items of blood lipid as well as the activity of the antioxidant enzymes catalase (CAT), glutathione (GSH) and malondialdehyde (MDA) in carp liver tissues by biochemical kits, and the transcript levels of indicators of oxidative stress, inflammation and apoptosis by qPCR. The results showed that liver injury, inflammation, oxidative stress, and apoptosis were attenuated in the FA + AVM group compared to the AVM group. In summary, dietary addition of FA could ameliorate the hepatotoxicity caused by AVM in carp by alleviating oxidative stress, inflammation, apoptosis in liver tissues.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2025
·
IF 8.5
Haoxin Li,Yanxi Wang,Wan Aida Wan Mustapha,Xiaoping Zhang,Fankui Zeng,Jia Liu
A fish scale (FS) gelatin-fatty acid conjugate (GFC) with alkyl chain lengths of 8–18 was constructed to increase the aqueous solubility of curcumin. The effect of alkyl chain length on the interaction between GFC and curcumin was characterized by dynamic light scattering (DLS), X -ray photoelectron spectroscopy (XPS), fluorescence spectroscopy (FS), and isothermal titration calorimetry (ITC). The surface hydrophobicity (from 4987 ± 223.79 to 9982 ± 262.78) and curcumin loading capacity (from 8.20 ± 0.54 to 31.18 ± 1.41 μg/mg) of the GFC exhibited significant enhancements through increasing alkyl chain lengths from 8 to 18. This was accompanied by a reduction in particle size (from 661.5 ± 28.9 to 329.7 ± 6.6 nm) and ζ -potential (from −2.7 ± 0.92 to −26.8 ± 0.27). FS and ITC confirmed that GOC shared an optimal binding constant ( K a , 2.40 × 10 8 L·mol −1 and 3.47 × 10 5 M −1 ) and binding site ( n , 1.45 and 2.276) with curcumin among GFCs. Increasing GFC's alkyl chain length also boosted the stability of entrapped curcumin against the thermal environment and ultraviolet radiation. These results could be beneficial for gelatin-based nanocarrier development and application.
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FOOD CHEMISTRY
·
2025
·
IF 9.8
Chenying Fu,Jingying Weng,Fujing Luo,Mengxiang Liao,Lingzhan Xue,Zebin Guo
The cooking process exerts a notable influence on the flavor characteristics of fish. E-nose, GC-MS, and GC-IMS technologies were utilized to investigate how three thermal processing methods (steaming, frying, and roasting) alter the volatile odors of paddy field carp (PFC). GC-MS and GC-IMS analyses indicated that the volatile compound compositions of steaming and raw samples were relatively similar. Unique compounds such as hexanal, nonanal, and 2, 3-octanedione endowed paddy field carp with grassy, fatty, and fishy odors. Roasting significantly increased both the variety and content of volatile compounds. The content of pyrazines increased significantly after frying. E-tongue showed a substantial increase in umami taste after cooking, with roasting having the highest equivalent umami concentration at 29.95 mg/100 g. Sensory evaluations revealed that frying scored the highest overall (78.08) and was most favored. This study offered insights for further processing, flavor enhancement, and quality improvement of PFC.
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Aquaculture Reports
·
2023
·
IF 3.7
Yi Du,Long Cheng,Jianhua Zhao,Clement R. de Cruz,Hong Xu,Liansheng Wang,Qiyou Xu
This study investigated the effects of Clostridium butyricum (CB) and sodium butyrate (SB) on the growth performance, intestinal immune, and gut microbiota of mirror carp ( Cyprinus carpio ) fed with a high level of soybean meal. Three hundred sixty healthy carp fingerlings (∼3.74 g) were divided into eight dietary treatments with four replicates and ten fish per replicate. Which include basal diet (Control group, C0); C0 supplemented with three levels of CB, 3 × 10 7 cfu/kg (C1), 3 × 10 8 cfu/kg (C2), 3 × 10 9 cfu/kg (C3); three levels of SB, 500 mg/kg (S1), 1000 mg/kg (S2), 2 000 mg/kg (S3); and 3 × 10 8 cfu/kg CB+ 1 000 mg/kg SB (CS), respectively. In 8-week trial, the survival rate of all groups was 100%. Compared with C0, the Weight Gain, Feed Conversion Ratio, Protein Efficiency Ratio were not significantly different in all groups ( P > 0.05). Crude protein and ether extract contents were increased significantly ( P < 0.05) when supplemented with different levels of CB and SB, and ash content increased significantly in the CB groups ( P < 0.05). Serum globulin increased and glucose decreased significantly ( P < 0.05) in the CB and SB groups. The intestinal T-SOD and glutathione activity in the foregut, midgut, and hindgut were increased ( P < 0.05), and villus height of foregut and midgut were higher in the CB and SB ( P < 0.05). Protease activities in the foregut and midgut were significantly increased ( P < 0.05) in the C2, C3, S2, and S3. The lipase activity of the C2 and C3 in foregut, midgut, and hindgut; S2, S3, and CS in the foregut; S3 in midgut were significantly increased ( P < 0.05). The gut microbiota was modulated at the phylum and genera level by CB and SB administration. In summary, our results indicated that CB and SB could promote the whole body CP and EE content, intestine immunity, digestive enzyme activity, and intestinal morphology, and modulated gut flora in carp.
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CHEMOSPHERE
·
2022
·
IF 8.943
Si-Qi Zhang,Ping Li,Shu-Wen He,Shao-Ying Xing,Zhi-Han Cao,Xue-Li Zhao,Cuici Sun,Zhi-Hua Li
This paper evaluates the coexistence risks of triphenyltin (TPT) and norfloxacin (NOR) to aquatic organisms in the aquatic environment. Carp ( Cyprinus carpio ) was used as the test organism, the control and exposure groups (1 μg/L TPT), 1 mg/L (NOR), 1 μg/LTPT+1 mg/LNOR (TPT_NOR)) were set up according to the environmental concentration in the severely polluted area for 42 days. The single/combined toxic effects of TPT and NOR on aquatic organisms were evaluated by analyzing carp brain transcriptome sequencing, gut microbiota structure, and detection of biochemical indicators and RT-qPCR. Our results show that TPT and NOR induce lipid metabolism disorder in carp brain tissue, affecting the metabolism of cytochrome P450 to exogenous substances, and NOR also induces immunosuppression in carp. Long-term exposure to TPT combined with NOR amplifies the monotoxicity of TPT or NOR on lipid metabolism and immunosuppression in carp, induces immune dysfunction in brain tissue and changes in gut microbiota structure. However, TPT_NOR has no obvious neurotoxicity on the brain, but it can inhibit the level of intestinal MDA. This highlights that co-exposure of TPT and NOR amplifies metabolic disorders and immunosuppressive functions in carp.
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高影响因子
AQUACULTURE NUTRITION
·
2023
·
IF 3.5
Jianxin Zhang,Mengyuan Huang,Junchang Feng,Yongyan Chen,Meng Li,Xiaolin Meng,Xulu Chang
This study is aimed at exploring the effects of Bacillus coagulans NRS 609 on the growth performance, intestinal health, antioxidant activity, and immune response in common carp (Cyprinus carpio L.) by colonizing the intestinal tract with the beneficial strain. Gavage B. coagulans with GFP-tag at 109 CFU/mL into common carp for 7 days. Results indicated that B. coagulans were maintained in the intestine for at least 14 days. Four groups fed B. coagulans at different levels of inclusion, including 0 (CK), (A), (B), and (C) CFU/g of feed for 8 weeks. Experimental groups showed significantly better growth performance than the control (). The treatment groups had higher digestive enzyme activity, villus height, and muscle thickness than the control (). Supplementation with B. coagulans also altered the composition of the intestinal flora. In addition, an enhancement of the antioxidant enzyme and a reduction of malondialdehyde in the liver were observed with the addition of B. coagulans (). Moreover, the cytokines of IL-1β and IL-12, IL-10, and TGF-β, significant upregulation in experimental groups (). Based on the results, the optimal level of B. coagulans was 107 CFU/g in diets for common carp.
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FISH & SHELLFISH IMMUNOLOGY
·
2023
·
IF 4.7
Lei Diao,Wenjie Liu,Yawei Xu,Bin Zhang,Lingnan Meng,Rui Yin,Huijie Chen
Deoxynivalenol (DON) is one of the most common sources of fungal toxins in fish feed, posing a significant risk to the immune and reproductive systems of fish. Microalgal astaxanthin (MIA), a potent antioxidant derived from microalgae , confers multifarious advantages upon piscine organisms, notably encompassing its anti-inflammatory and antioxidant prowess. Herein, we investigated the potential of MIA in ameliorating the immunotoxicity of DON on carp (Cyprinus carpio L.) based on spleen lymphocytes treated with DON (1.5 ng/ml) and/or MIA (96 μM). Firstly, CCK8 results showed that DON resulted in excessive death of spleen lymphocytes. Secondly, spleen lymphocytes treated with DON had a higher proportion of pyroptosis , and the mRNA and protein levels of pyroptosis (NLRP3, IL-1β and ASC) in spleen lymphocytes were increased. Thirdly, the relative red fluorescence intensity of JC-1 and DCFH-DA showed decreased mitochondrial membrane potential and increased ROS in spleen lymphocytes treated with DON. Mitochondrial ATP, DNA and NADPH/NADP + analysis revealed decreased mitochondrial ATP, DNA and NADPH/NADP + levels in DON-treated lymphocytes, corroborating the association between DON exposure and elevated intracellular ATP, DNA and NADPH/NADP + in lymphocytes. DON exposure resulted in the downregulation of mitophagy-related genes and proteins (PINK1, Parkin and LC3) in lymphocytes. Notably, these effects were counteracted by treatment with MIA. Furthermore, DON led to the elevated secretion of inflammatory factors (TNF-α, IL-4 and IFN-γ), thereby inducing immune dysfunction in spleen lymphocytes. Encouragingly, MIA treatment effectively mitigated the immunotoxic effects induced by DON, demonstrating its potential in ameliorating pyroptosis, mitochondrial dysfunction and mitophagy impairment via regulating the mtROS-NF-κB axis in lymphocytes. This study sheds light on safeguarding farmed fish against agrobiological threats posed by DON, highlighting the valuable applications of MIA in aquaculture.
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ENVIRONMENTAL POLLUTION
·
2023
·
IF 8.9
Xiaojing Li,Qian Wu,Dan Chen,Yichen Bai,Yuhong Yang,Shiwen Xu
Cadmium (Cd) is a major contaminant in natural environments and exerts adverse effects on aquatic biota at low concentrations. Gill is as vital respiratory organ and may cause pollutants to enter fish during gas exchange. Baicalein (BAI), as a kind of flavonoids, possess antioxidant properties through inactivating free radicals. To confirm the potential effects and approaches of BAI addition in maintaining the gill stability, 90 common carps ( Cyprinus carpio L.) were selected and randomly divided into water environment exposure group (0.22 mg/L Cd) and/or feed added with 0.10 g/kg BAI for 30 days. The analysis of ion content in serum showed that Cd exposure disturbed ion homeostasis , and BAI could reduce serum Cd concentration. The histopathological results of gills showed that Cd exposure caused gill tissue lesions and structural damage, and BAI feeding effectively alleviated this damage. In addition, BAI could enhance antioxidant activity and activate Nrf2/HO-1 axis, thereby reducing oxidative stress and endoplasmic reticulum (ER) stress. Moreover, BAI lightened cytokine imbalance, inflammatory response, and necroptosis. Overall, the results indicated that BAI feeding could maintain gill homeostasis against Cd poisoning via the ROS/ER stress signaling. This trial revealed the properties of BAI resistance to metal Cd in aquaculture and partially elucidated its mechanism.
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高影响因子
AQUACULTURE NUTRITION
·
2024
·Vol. 2024
·期 1
·5205506
·
IF 3
Dan Liu,Jiali Mi,Xiao Yan,Chaobin Qin,Junli Wang,Guoxing Nie
In the present study, we conducted a 10-week culture experiment to investigate the effects of taurine on the growth performance, antioxidant properties, and muscle quality of the common carp fed an oxidized lipid diet. There were five experimental groups with three replicates each. Based on the fresh fish oil group (FO), equal amounts of oxidized fish oil (with a thiobarbituric acid-reactive substances value of 49.57 ± 2.34 mg/kg) and 0 g/kg (OFO), 4 g/kg (OT4), 8 g/kg (OT8), and 12 g/kg (OT12) taurine were added to the diet, while the same composition ratio was maintained by changing the microcrystalline cellulose content. Compared to the FO group, the feed conversion ratio, weight gain rate, muscle crude lipid, and n-3/n-6 polyunsaturated fatty acids (PUFA) ratio were significantly lower in the group OFO ( P < 0.05). In addition, compared to the FO group, OFO fish showed an increased content of malondialdehyde and protein carbonylation and decreased hardness, brightness, pH, superoxide dismutase, and catalase levels in the muscle ( P < 0.05). Notably, the growth index significantly improved in the OT4 group compared to that in the OFO group ( P < 0.05). In addition, dietary taurine increased the crude lipid content, n-3/n-6 PUFA, antioxidant capacity, hardness, springiness, brightness, pH, and collagen content in the muscle compared with OFO fish ( P < 0.05). Moreover, taurine supplementation significantly reduced myofiber diameter and increased myofiber density ( P < 0.05) and enhanced the expression levels of paired box 7 ( pax7 ), myogenic factor 5 ( myf5 ), myogenic differentiation antigen ( myod ), and myogenic regulatory factor 4 ( mrf4 ) compared with that of the OFO group ( P < 0.05). Considering growth performance and muscle quality, the optimal supplemental levels of taurine in the oxidized lipid diet were 4 g/kg and 6.84–7.70 g/kg, respectively.
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Aquaculture Reports
·
2022
·
IF 3.385
Yuru Zhang,Kedi Gao,Yanhua Ren,Junmei Zhang,Ronghua Lu,Xianglin Cao,Liping Yang,Xinxin Xu,Guoxing Nie
This study explored the protective effect of broken tea on growth, antioxidant capacity, nutritional composition and lipid metabolism in fish fed a high-fat (HF) diet. A total of 450 Cyprinus carpio (18.79 ± 3.16 g) were divided into five groups and fed for 8 weeks: the control diet group (C), HF diet group (HF), and the HF diet plus 1 %, 2 % and 3 % broken Xinyang Maojian tea (BT Maojian ) groups (HF+1%BT, HF+2 %BT and HF+3 %BT). We found that the weight gain rate (WGR) of carp was increased significantly in the HF+ 3 %BT group compared with the control group ( P < 0.05). The elevated hepatic malondialdehyde (MDA), alanine aminotransaminase (ALT), aspartate aminotransferase (AST), and triglyceride (TG) in the HF group were attenuated by BT Maojian treatment ( P < 0.05). Moreover, the low total antioxidant capacity (T-AOC) and superoxide dismutase (T-SOD) content in serum and hepatopancreas in the HF group were significantly increased by the addition of BT Maojian ( P < 0.05). The total essential amino acid content in muscle was significantly increased in the HF+ 2%BT group compared with the HF group ( P < 0.05). Additionally, the highest linoleic acid content in muscle was found in the HF+ 3%BT group. The excessive hepatopancreas fat accumulation caused by the HF diet was alleviated in the 2 % and 3 % BT Maojian supplementation groups. The mRNA level of most key lipid metabolism genes in the hepatopancreas, intestinal tract, muscle and adipose tissue tended to be increased in the HF group and decreased in the BT Maojian treatment groups. Taken together, these results indicated that the addition of 2 % or 3 % BT Maojian likely positively affected growth performance, enhanced flesh quality, and alleviated harmful symptoms, including low antioxidant capacity and excessive hepatic fat accumulation in carp fed a HF diet. Thus, BT Maojian can be used as a green feed additive in C. carpio feed.
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高影响因子
AQUACULTURE
·
2022
·
IF 5.135
Xulu Chang,Meiru Kang,Lili Yun,Yihao Shen,Junchang Feng,Guokun Yang,Jianxin Zhang,Xiaolin Meng
Host-derived probiotics are widely used in aquaculture because they are able to adapt to the host intestinal environment more easily than other probiotics. However, decreased numbers and activity of live probiotics that occur during processing, storage, transportation, and consumption hinders the increased use of probiotics. In this study, the ability of sodium gluconate to promote the growth of Bacillus velezensis R7–1003, isolated from the intestinal tract of the common carp , was evaluated in vivo. The actions of dietary supplementation with B. velezensis R7–1003 and/or sodium gluconate were investigated in the common carp with respect to growth, the morphology of the intestine, digestive and immune functions, and antioxidant capacity, as well as intestinal microbiota. The results revealed that the addition of 0.3 and 0.6% sodium gluconate to the diet increased B. velezensis R7–1003 growth in the intestinal tract of the common carp. Furthermore, 0.6% sodium gluconate exhibited better results than 0.3%. A diet with host–derived B. velezensis R7–1003 supplementation improved the growth performance of the fish. It also increased the length of the intestinal villi and tight junction gene expression levels, including claudin-2, occludin , and ZO-1 . Host–derived B. velezensis R7–1003 supplementation enhanced the activities of protease, α-amylase, lipase , alkaline phosphatase , acid phosphatase , lysozyme , catalase , glutathione peroxidase , decreased the level of MDA, increased the level of the anti-inflammatory cytokine TGF-β, and decreased the level of the pro-inflammatory cytokine TNF-α. Furthermore, B. velezensis R7–1003 increased the levels of several probiotics, including Lactobacillus and Lactococcus , and bacteria that produce short-chain fatty acids, including Faecalibacterium , Bacteroides , and Clostridium . The ratio of Firmicutes/Bacteroidetes was reduced in the intestine of the common carp. Importantly, this study indicated that the combination of B. velezensis R7–1003 and sodium gluconate provided additional beneficial effects to the common carp. Thus, this study demonstrated that sodium gluconate promoted B. velezensis R7–1003 growth, which increased the growth performance and intestinal health of the common carp. The results indicated that further study is warranted concerning the use of B. velezensis R7–1003 combined with sodium gluconate as a diet supplement in other economically viable fish.
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