Effects of hypoxic stress on the digestion, energy metabolism, oxidative stress regulation, and immune function of the pearl oyster (Pinctada fucata martensii)

Chen, Jiayi; Huang, Jing; Peng, Jiaqi; Yang, Chuangye; Liao, Yongshan; Li, Junhui; Deng, Yuewen; Du, Xin

doi:10.1016/j.aqrep.2022.101246

Cited by 10 publications

(3 citation statements)

References 39 publications

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“…Other enzymes, such as esterase, esterase lipase, or alkaline phosphatase, might be used to break down lipids (Broekaert et al, 2013). Under oxygen tension, a decrease in lipase activity has been observed in previous studies; conversely, protease activity increased as a compensatory adaptation to hypoxia (Chen et al, 2022;Fuertes-Perez et al, 2022).…”

Section: Discussionmentioning

confidence: 71%

The exploration of dominant spoilage bacteria in blue mussels (Mytilus edulis) stored under different modified atmospheres by MALDI-TOF MS in combination with 16S rRNA sequencing

Ratnawati,

Kuuliala,

Verschuere

et al. 2024

Food Microbiology

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Section: Discussionmentioning

confidence: 71%

The exploration of dominant spoilage bacteria in blue mussels (Mytilus edulis) stored under different modified atmospheres by MALDI-TOF MS in combination with 16S rRNA sequencing

Ratnawati,

Kuuliala,

Verschuere

et al. 2024

Food Microbiology

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“…ACP and AKP were not only important non-specific hydrolytic immune enzymes in the immune defense system but also important metabolic regulatory enzymes, which could be used as indicators to discriminate the body's immune competence in aquatic animals [27]. The activities of AKP, ACP, SOD, and CAT in red tilapia were significantly improved by Shewanella frigiimarina W32-2 EPS, and the addition of 3 mg/mL was optimal [28].…”

Section: Discussionmentioning

confidence: 96%

Effects of the Exopolysaccharide from Lactiplantibacillus plantarum HMX2 on the Growth Performance, Immune Response, and Intestinal Microbiota of Juvenile Turbot, Scophthalmus maximus

Wang

Xue

et al. 2023

Foods

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In this study, the exopolysaccharide (EPS) from Lactiplantibacillus plantarum (HMX2) was isolated from Chinese Northeast Sauerkraut. Its effects on juvenile turbot were investigated by adding different concentrations of HMX2-EPS (C: 0 mg/kg, H1: 100 mg/kg, H2: 500 mg/kg) to the feed. Compared with the control group, HMX2-EPS significantly improved the growth performance of juvenile turbot. The activities of antioxidant enzymes, digestive enzymes, and immune-related enzymes were significantly increased. HMX2-EPS could also increase the secretion of inflammatory factors and enhance the immune response of turbot by regulating the IFN signal transduction pathway and exhibit stronger survival rates after the A. hydrophila challenge. Moreover, HMX2-EPS could improve the diversity of intestinal microbiota in juvenile fish, increase the abundance of potential probiotics, and reduce the abundance of pathogenic bacteria. The function of gut microbes in metabolism and the immune system could also be improved. All results showed better effects with high concentrations of HMX2-EPS. These results indicated that HMX2-EPS supplementation in the diet could promote growth, improve antioxidant activity, digestive capacity, and immunity capacity, and actively regulate the intestinal microbiota of juvenile turbot. In conclusion, this study might provide basic technical and scientific support for the application of L. plantarum in aquatic feed.

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“…Pearl oyster (Pinctada fucata martensii) is commonly found in the equatorial zone between the Tropic of Cancer and the Tropic of Capricorn of the Indo-Pacific and western Atlantic regions, especially in China and Southeast Asia (1,2). It is an aquatic animal well known worldwide because it can yield high-quality pearls, accounting for over 90% of pearl production from seawater (3). Pearl production involves the step of transplantation or grafting, which comprises the transplant of a small fragment (approximately 4 mm 2 ) of mantle tissue obtained from a donor oyster together with the nucleus, i.e., a spherical bead of shell material, into the host oyster gonad (4,5).…”

Section: Introductionmentioning

confidence: 99%

Lipidomic insights into the immune response and pearl formation in transplanted pearl oyster Pinctada fucata martensii

Yang²,

Hao³

et al. 2022

Front. Immunol.

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During pearl culture, the excess immune responses may induce nucleus rejection and death of pearl oysters after transplantation. To better understand the immune response and pearl formation, lipidomic analysis was applied to investigate changes in the serum lipid profile of pearl oyster Pinctada fucata martensii following transplantation. In total, 296 lipid species were identified by absolute quantitation. During wound healing, the content of TG and DG initially increased and then decreased after 3 days of transplantation with no significant differences, while the level of C22:6 decreased significantly on days 1 and 3. In the early stages of transplantation, sphingosine was upregulated, whereas PC and PUFAs were downregulated in transplanted pearl oyster. PI was upregulated during pearl sac development stages. GP and LC-PUFA levels were upregulated during pearl formation stage. In order to identify enriched metabolic pathways, pathway enrichment analysis was conducted. Five metabolic pathways were found significantly enriched, namely glycosylphosphatidylinositol-anchor biosynthesis, glycerophospholipid metabolism, alpha-linolenic acid metabolism, linoleic acid metabolism and arachidonic acid metabolism. Herein, results suggested that the lipids involved in immune response, pearl sac maturation, and pearl formation in the host pearl oyster after transplantation, which might lead to an improvement in the survival rate and pearl quality of transplanted pearl oyster.

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Effects of hypoxic stress on the digestion, energy metabolism, oxidative stress regulation, and immune function of the pearl oyster (Pinctada fucata martensii)

Cited by 10 publications

References 39 publications

The exploration of dominant spoilage bacteria in blue mussels (Mytilus edulis) stored under different modified atmospheres by MALDI-TOF MS in combination with 16S rRNA sequencing

The exploration of dominant spoilage bacteria in blue mussels (Mytilus edulis) stored under different modified atmospheres by MALDI-TOF MS in combination with 16S rRNA sequencing

Effects of the Exopolysaccharide from Lactiplantibacillus plantarum HMX2 on the Growth Performance, Immune Response, and Intestinal Microbiota of Juvenile Turbot, Scophthalmus maximus

Lipidomic insights into the immune response and pearl formation in transplanted pearl oyster Pinctada fucata martensii

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