Acute effects of antimony exposure on adult zebrafish (Danio rerio): From an oxidative stress and intestinal microbiota perspective

Wang, Chun; Yuan, Zixi; Li, Jinjin; Liu, Ying; Li, Ruixuan; Li, Shuangshuang

doi:10.1016/j.fsi.2022.02.050

Cited by 30 publications

(2 citation statements)

References 52 publications

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“…SOD, CAT, GSH-Px, T-AOC, and MDA are important indicators of antioxidant function. SOD and CAT are able to scavenge free radicals to reduce the damage caused by oxidative stress to the intestinal mucosa, which plays an important role in intestinal defense and repair ( 19 ); GSH-Px mirrors the body’s ability to scavenge free radicals, which protects the animal from damage caused by lipid peroxides ( 20 ); T-AOC is a comprehensive indicator of antioxidant function, reflecting the ability to compensate for external stimuli and the state of free radical metabolism ( 19 ); and MDA content represents the degree of lipid peroxidation and indirectly the degree of cellular damage ( 21 ). The present study showed that the SOD, CAT, GSH-Px, and T-AOC activities in wild M. albus were significantly higher, while the MDA level was significantly lower compared with the cultured ones, indicating that the antioxidant capacity of wild M. albus is stronger than that of cultured M. albus .…”

Section: Discussionmentioning

confidence: 99%

Comparative studies on the intestinal health of wild and cultured ricefield eel (Monopterus albus)

Yang,

Yuan,

Rahman

et al. 2024

Front. Immunol.

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Fish intestinal health under intensive aquaculture mode plays an important role in growth, development, and immune function. The present study was aimed to systematically investigate the differences of intestinal health between wild and cultured Monopterus albus by biochemical parameters, histomorphology, and molecular biology. A total of 15 healthy M. albus per group, with an average body weight of 45 g, were sampled to analyze intestinal health parameters. Compared with wild fish, the cultured M. albus in the foregut had lower trypsin, lipase, SOD, CAT, T-AOC, and GSH-Px activities (P < 0.05) and higher amylase activity and MDA content (P < 0.05). The villus circumference and goblet cells in the cultured group were significantly lower than those in the wild group (P < 0.05). In addition, the cultured fish showed lower relative expression levels of occludin, zo-1, zo-2, claudin-12, claudin-15, mucin5, mucin15, lysozyme, complement 3, il-10, tgf-β1, tgf-β2, and tgf-β3 (P < 0.05) and higher il-1β, il-6, il-8, tnf-a, and ifnγ mRNA expressions than those of wild fish (P < 0.05). In terms of gut microbiota, the cultured group at the phylum level displayed higher percentages of Chlamydiae and Spirochaetes and lower percentages of Firmicutes, Bacteroidetes, Actinobacteria, Cyanobacteria, and Verrucomicrobia compared to the wild group (P < 0.05). At the genus level, higher abundances of Pseudomonadaceae_Pseudomonas and Spironema and lower abundances of Lactococcus and Cetobacterium were observed in the cultured group than in the wild group (P < 0.05). To our knowledge, this is the first investigation of the intestinal health status between wild and cultured M. albus in terms of biochemistry, histology, and molecular biology levels. Overall, the present study showed significant differences in intestinal health between wild and cultured M. albus and the main manifestations that wild M. albus had higher intestinal digestion, antioxidant capacity, and intestinal barrier functions than cultured M. albus. These results would provide theoretical basis for the subsequent upgrading of healthy aquaculture technology and nutrient regulation of intestinal health of cultured M. albus.

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Section: Discussionmentioning

confidence: 99%

Comparative studies on the intestinal health of wild and cultured ricefield eel (Monopterus albus)

Yang,

Yuan,

Rahman

et al. 2024

Front. Immunol.

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show abstract

“…T-AOC serves as a comprehensive indicator of antioxidant capacity, illustrating the organism’s ability to counteract external stressors and the status of free radical metabolism. MDA content indicates the extent of lipid peroxidation and indirectly reflects cellular damage severity ( Wang et al, 2022 ). In this study, the MDA content in the liver of the TF group was significantly higher than that of the other bait groups, which implies that insect bait can reduce lipid peroxidation and oxidative stress.…”

Section: Discussionmentioning

confidence: 99%

Effects of four types of natural bait on water quality, feeding, growth, and antioxidant enzyme activity of Monopterus albus in a recirculating aquaculture system

Yuan,

Wu,

Yang

et al. 2024

Front. Physiol.

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Monopterus albus is one of China’s renowned and superior aquaculture species, with its seedlings mainly sourced from wild capture. One of the bottlenecks in M. albus aquaculture is the high mortality rate and low feeding initiation rate from stocking wild fry to the initiation of feeding. In production, trash fish is commonly used to wean M. albus juveniles onto feeding. In this study, we introduced three other natural feeds, earthworms (EW), yellow mealworms (YMW), and fly maggots (FM), with frozen trash fish (TF) serving as the control group, to evaluate the effects of these four natural feeds on the survival rate, feeding initiation, antioxidant enzymes activity, and body composition of M. albus juveniles under recirculating water aquaculture conditions. The experiment comprised four treatments, each with three replicates. Each replicate consisted of stocking 150 M. albus juveniles weighing 10.02 ± 0.89 g in size, raised for 5 weeks. The survival rate of the YMW group was 73.33%–85.33%, which was significantly higher than that of the other three bait groups (p < 0.05). The four bait groups showed no significant differences in final body weight and specific growth rate (SGR) (p > 0.05). The EW group showed the highest final body weight, with an average SGR of 2.73, whereas the YMW group had an average SGR of 1.87. The average daily feeding amount was significantly higher in EW and YMW groups than in the other two groups (p < 0.05). The percentage of feeding amount to fish weight in the EW group reached 7.3% in the fifth week. After 5 weeks of cultivation, NO2−-N content was significantly higher in the waters of the TF and EW groups than in the waters of the FM and YMW groups (p < 0.05), there was no significant difference in TAN content among the treatment groups (p > 0.05). Liver malondialdehyde content was significantly higher in the TF group than in the other bait groups (p < 0.05). GSH-Px activity was significantly higher in the EW group than in the FM group and YMW group. No significant differences in SOD and CAT activity and T-AOC were observed among the bait groups (p > 0.05). The increase in crude protein content was significantly higher in the TF group than in the FM group, but the increase in crude ash content was significantly lower in the TFgroup. In conclusion, Tenebrio molitor could potentially serve as one of the alternative feeds during the initial stages of M. albus juveniles stocking.

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Immune and intestinal microbiota responses to heat stress in Chinese mitten crab (Eriocheir sinensis)

Zhao

Luo

et al. 2023

Aquaculture

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Acute effects of antimony exposure on adult zebrafish (Danio rerio): From an oxidative stress and intestinal microbiota perspective

Cited by 30 publications

References 52 publications

Comparative studies on the intestinal health of wild and cultured ricefield eel (Monopterus albus)

Comparative studies on the intestinal health of wild and cultured ricefield eel (Monopterus albus)

Effects of four types of natural bait on water quality, feeding, growth, and antioxidant enzyme activity of Monopterus albus in a recirculating aquaculture system

Immune and intestinal microbiota responses to heat stress in Chinese mitten crab (Eriocheir sinensis)

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