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Parent-offspring relationship recognition based on SSR and mtDNA confirmed resource supplement effect of Fenneropenaeus chinensis release

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Acta Oceanologica Sinica 2024年第2期43卷 156-160页

作者： Song Sun Ding Lyu Xianshi Jin Xiujuan Shan Weiji Wang key laboratory of sustainable development of marine fisheries Ministry of Agriculture and Rural AffairsYellow Sea Fisheries Research InstituteChinese Academy of Fishery SciencesQingdao 266071China Function laboratory for marine fisheries Science and Food Production Processes Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266237China

The resource of Fenneropenaeus chinensis has declined sharply due to excessive fishing intensity,ecological changes and *** order to supplement the fishing yield and restore resources of ***,the relevant authorities have carried out the activities of stock enhancement and *** can increase biomass and recover ***,compared with increasing biomass,there were still few reports on its effect on the recovery of *** recovery is a process related to whether the released individuals can form a reproductive *** to now,there has been a lack of evidence whether the released *** can complete the entire life history,and form reproduction *** this study,gravid female shrimp after spawning migration were captured from coastal waters of Haiyang,Qingdao,and Yellow *** identifying parentage relationships using simple sequence repeat(SSR)and mtDNA haplotype,it was finally confirmed that there were eight released individuals in the recapture *** was confirmed for the first time that at least part of the released *** can complete overwintering and reproductive migration,and maintain the migration habits as their wild ***,we infered that the released shrimp can reproduce under natural conditions,these *** can form reproductive populations theoretically if without human *** results indicated that enhancenment and release activities have a positive effect on resource recovery.

关键词： Fenneropenaeus chinensis release simple sequence repeat(SSR) mtDNA resource supplement

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Flow Field Characteristics of Multi-Trophic Artificial Reef Based on Computation Fluid Dynamics

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Journal of Ocean University of China 2024年第2期23卷 317-327页

作者： HUANG Junlin LI Jiao LI Yan GONG Pihai GUAN Changtao XIA Xu School of Engineering Ocean University of ChinaQingdao 266100China Yellow Sea fisheries Research Institute Chinese Academy of Fishery SciencesKey Laboratory of Sustainable Development of Marine FisheriesMinistry of Agriculture and Rural AffairsQingdao Key Laboratory for Marine Fish Breeding and BiotechnologyQingdao 266071China laboratory for marine fisheries Science and Food Production Processes Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266071China

On the basis of computational fluid dynamics,the flow field characteristics of multi-trophic artificial reefs,including the flow field distribution features of a single reef under three different velocities and the effect of spacing between reefs on flow scale and the flow state,were *** indicate upwelling,slow flow,and eddy around a single *** velocity,height,and volume of upwelling in front of a single reef were positively correlated with inflow *** length and volume of slow flow increased with the increase in inflow *** were present both inside and backward,and vorticity was positively correlated with inflow *** between reefs had a minor influence on the maximum velocity and height of *** the increase in space from 0.5 L to 1.5 L(L is the reef lehgth),the length of slow flow in the front and back of the combined reefs increased *** the space was 2.0 L,the length of the slow flow *** four different spaces,eddies were present inside and at the back of each *** maximum vorticity was negatively correlated with space from 0.5 L to 1.5 L,but under 2.0 L space,the maximum vorticity was close to the vorticity of a single reef under the same inflow velocity.

关键词： artificial reef flow field characteristics computation fluid dynamics multi-trophic structure

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Decoding the fish genome opens a new era in important trait research and molecular breeding in China

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Science China(Life Sciences) 2024年第10期67卷 2064-2083页

作者： Qian Zhou Jialin Wang Jiongtang Li Zhangfan Chen Na Wang Ming Li Lei Wang Yufeng Si Sheng Lu Zhongkai Cui Xuhui Liu Songlin Chen State key laboratory of Mariculture Biobreeding and sustainable Goods Yellow Sea Fisheries Research InstituteChinese Academy of Fishery SciencesQingdaoShandong 266071China laboratory for marine fisheries Science and Food Production Processes Qingdao Marine Science and Technology CenterQingdaoShandong 266237China key laboratory of Aquatic Genomics Ministry of Agriculture and Rural AffairsBeijing Key Laboratory of Fishery BiotechnologyChinese Academy of Fishery SciencesBeijing 100041China

Aquaculture represents the fastest-growing global food production sector,as it has become an essential component of the global food *** has the world's largest aquaculture industry in terms of production ***,the sustainable development of fish culture is hindered by several concerns,including germplasm degradation and disease *** practice of genomic breeding,which relies heavily on genome information and genotypephenotype relationships,has significant potential for increasing the efficiency of aquaculture *** 2014,the completion of the genome sequencing and annotation of the Chinese tongue sole signified the beginning of the fish genomics era in *** then,domestic researchers have made dramatic progress in functional genomic *** date,the genomes of more than 60 species of fish in China have been assembled and *** on these reference genomes,evolutionary,comparative,and functional genomic studies have revolutionized our understanding of a wide range of biologically and economically important traits of fishes,including growth and development,sex determination,disease resistance,metamorphosis,and ***,genomic tools and breeding techniques such as SNP arrays,genomic selection,and genome editing have greatly accelerated genetic improvement through the incorporation of functional genomic information into breeding *** review aims to summarize the current status,advances,and perspectives of the genome resources,genomic study of important traits,and genomic breeding techniques of fish in *** review will provide aquaculture researchers,fish breeders,and farmers with updated information concerning fish genomic research and breeding *** summary will help to promote the genetic improvement of production traits and thus will support the sustainable development of fish aquaculture.

关键词： fish genomics economic traits genomic selection genome editing genomic breeding

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Summer gregarine infection in Antarctic krill Euphausia superba in the Dumont D’Urville Sea,East Antarctic

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Journal of Oceanology and Limnology 2024年第5期42卷 1651-1658页

作者： Yi XIONG Sijie ZHAO Guoping ZHU College of marine Living Resource Sciences and Management Shanghai Ocean UniversityShanghai 201306China Center for Polar Research Shanghai Ocean UniversityShanghai 201306China Polar marine Ecosystem Group the Key Laboratory of Sustainable Exploitation of Oceanic Fisheries ResourcesMinistry of EducationShanghai 201306China National Engineering Research Center for Oceanic fisheries Shanghai 201306China

Antarctic krill Euphausia superba plays a key role in the Antarctic food *** trophic linkage between krill and other macro-organisms has been studied in the past decades,but the variability of parasites in krill is less studied and remains poorly ***,it is important to understand the factors that influence abundance and infection of parasites in ***,the relationship between the infection intensity of parasite and krill diet needs to be clarified,which is helpful for understanding the role of parasite in the food *** investigated the abundance of the highly prevalent gregarine parasites in the digestive tract of krill and the factors influencing the gregarine infection to krill in the East *** infection rate of Cephaloidophora pacifica Avdeev,1985 to krill(n=50 individuals)was 94%.The results of generalized linear model show the infection intensity of *** to the host was related significantly to the station,krill size,and maturity stage,but not the food species and abundance in the stomach of *** of *** in krill differed among stations,and the lowest abundance occurred in the station nearest to the *** abundance varied among sexual maturity stages of krill and increased with krill size.

关键词： Cephaloidophora pacifica Euphausiids parasite diet dinoflagellate

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Combined proteomic and metabolomic studies on the liver of Amur sturgeon Acipenser schrenckii under titanium dioxide nanoparticle exposure

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Journal of Oceanology and Limnology 2024年第3期42卷 1001-1015页

作者： Zhou ZHOU Ting LIU Jie KONG Zhenxing ZHAO Junquan ZHU key laboratory of Aquacultural Biotechnology Ministry of Educationand Key Laboratory of Marine Biotechnology of Zhejiang ProvinceCollege of Marine SciencesNingbo UniversityNingbo 315000China Guizhou fisheries Research Institute Guizhou Academy of Agriculture SciencesGuiyang 550000China

Nanomaterials,particularly titanium dioxide nanoparticles(TiO_(2)-NPs),are extensively utilized across various ***,their environmental release has raised concerns regarding their potential ecological and environmental *** reproductive toxicity of TiO_(2)-NPs in fish species has attracted considerable attention,yet conflicting research outcomes have been *** investigated the effects of TiO_(2)-NPs exposure on the liver of juvenile Amur sturgeon Acipenser schrenckii using label-free proteomic and untargeted metabolomic *** experiment included a control group and three groups exposed to different concentrations of TiO_(2)-NPs(low,TL;medium,TM;high,TH).Compared to the control group,9,19,and 25 proteins and 35,73,and 158 metabolites were differentially expressed in the TH,TM,and TL TiO_(2)-NP-exposed groups,*** differentially expressed genes(DEGs)were enriched in the Kyoto Encyclopedia for Genes and Genomes(KEGG)pathways related to glycolysis and ***,among the 126 correlated proteins,the most enriched pathways were associated with endocytosis and protein processing in the endoplasmic ***,syringic acid was significantly downregulated across all three TiO_(2)-NP-exposed *** obtain a comprehensive overview of the TiO_(2)-NP-induced expression changes,a co-regulated network of proteins and metabolites associated with TiO_(2)-NPs exposure was *** to TiO_(2)-NPs led to enrichment and alteration of pathways related to immune responses,including endocytosis,protein processing in the endoplasmic reticulum,and peroxisome proliferator-activated receptor(PPAR)*** conclusion,our findings indicate that exposure to TiO_(2)-NPs might disrupt glucose metabolism and induce immune responses,thus contributing to our understanding of the environmental impacts of nanomaterials and highlighting the need for further research and development of potential mitigation strategies.

关键词： TiO_(2)-nanoparticle exposure proteomics metabolomics glucose metabolism immune response

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Effects of Poria cocos polysaccharide on growth performance,physiological parameters,and lipid metabolism of spotted sea bass Lateolabrax maculatus

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Journal of Oceanology and Limnology 2024年第1期42卷 316-331页

作者： Jing LU Zhangfan HUANG Youling YE Anle XU Zhongbao LI fisheries College Jimei UniversityXiamen 361021China Fujian Provincial key laboratory of marine Fishery Resources and Eco-environment Xiamen 361021China

The aquaculture industry has developed significantly over the past few decades and has had a substantial impact on the global food supply and marine fisheries ***,some problems arise behind the scenes due to excessive intensive farming,such as slow animal growth,frequent disease,and lipid metabolism *** problems have limited the sustainable development of the aquaculture industry,and a continuable solution is *** use of fungal polysaccharide appears to provide a solution to these ***,different supplemented levels of Poria cocos polysaccharide(PCP)(0,0.4,0.8,1.2,1.6,and 2.0 g/kg,respectively)were fed to spotted sea bass(Lateolabrax maculatus)in similar size(30.28±0.18 g)in current *** effects of PCP on growth,physiological parameters,and lipid metabolism of spotted sea bass were investigated after a 4-week rearing *** showed,fish with PCP intake presented a significantly higher weight gain,specific growth rate,and a significantly lower feed conversion *** higher trypsin activity in liver and intestine were observed in fish with PCP *** superoxide dismutase activity in serum and liver of fish with PCP intake were significantly improved,while significantly higher serum total antioxidant capacity and hepatic catalase activity were also ***,no significant differences in lysozyme and alkaline phosphatase activity were evident among *** with PCP intake showed a significantly lower total cholesterol,but no noteworthy change in triglyceride and lipid-metabolismrelated genes expression were observed among *** indicated that intake of PCP has a positive effect on growth and antioxidant capacity of spotted sea bass,but seems to have a limited effect on the non-specific immunity and lipid metabolism of spotted sea *** on the regression analysis results,1.4 g/kg of PCP is the optimal dose for spotted sea bass in size(30.28±0.18 g).

关键词： spotted sea bass Poria cocos polysaccharide growth lipid metabolism

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Dietary Supplementation of β-Carotene Reveals miRNAs Involved in the Regulation of Carotenoid Metabolism in Crassostrea gigas

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Journal of Ocean University of China 2024年第4期23卷 1045-1053页

作者： SUN Dongfang WAN Sai YU Hong KONG Lingfeng LI Qi key laboratory of Mariculture Ministry of EducationOcean University of ChinaQingdao 266003China laboratory for marine fisheries Science and Food Production Processes Laoshan LaboratoryQingdao 266237China

Carotenoids play crucial physiological roles in animals.A comprehensive investigation into the mechanism of carotenoid metabolism in oysters will establish a theoretical foundation for further development of its carotenoid-rich ***,the information on the function of miRNA in β-carotene metabolism in oysters is *** elucidate the mechanisms underlying miRNA regulation of carotenoid metabolism in oysters,we compared the expressions of miRNA in digestive gland tissues of Pacific oyster(Crassostrea gigas)fed with aβ-carotene supplemented diet and a normal diet,respectively.A total of 690 candidate miRNAs in the Pacific oyster digestive gland tissues were identified,including 590 known miRNAs and 111 unknown *** differentially expressed miRNAs were obtained in the carotenoid-fed and normal groups,associated to 137 differentially expressed target ***,the GO enrichment analysis revealed that the differentially expressed target genes were mainly involved in transmembrane transport *** enrichment showed that the differentially expressed target genes were involved in ABC *** of the mRNA-miRNA network revealed that novel0025 played a central role in carotenoid metabolism,and it was negatively correlated with the expression of 46 *** addition,down-regulated expression of novel0025 upregulated the expression of the lipoprotein gene LOC105342186,suggesting a potential regulatory role in carotenoid *** results provide useful information for elucidating the miRNA regulation mechanism during carotenoids metabolism in the Pacific oyster.

关键词： Crassostrea gigas β-carotene microRNA carotenoid metabolism

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Metabolomic-based analysis reveals bile acid-mediated ovarian failure induced by low temperature in zebrafish

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Zoological Research 2024年第4期45卷 791-804页

作者： Wen-Hao Li Zhi-Qiang Li Meng-Di Bu Jia-Zhen Li Liang-Biao Chen key laboratory of Exploration and Utilization of Aquatic Genetic Resources Ministry of EducationCollege of Fisheries and Life SciencesShanghai Ocean UniversityShanghai 201306China laboratory for marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and TechnologyQingdaoShandong 266237China International Research Center for marine Biosciences Ministry of Science and TechnologyCollege of Fisheries and Life SciencesShanghai Ocean UniversityShanghai 201306China

As ectotherms, fish are highly sensitive to temperature fluctuations, which can profoundly impact their reproductive cycles. In this study, we investigated the fertility and histological characteristics of zebrafish(Danio rerio) ovaries exposed to a temperature gradient ranging from the thermopreferendum temperature of the species,27℃, to lower temperatures of 22℃, 20℃, and 13℃ over a period of two weeks. Comparative metabolomic(six biological replicates for each temperature) and transcriptomic(four biological replicates for each temperature) analyses were conducted under the four temperature conditions. Results indicated that lower temperatures inhibited oocyte development and differential metabolites were involved in steroid hormone production,antioxidant function, and lipid and protein *** reproductive hormones, increased proteolysis,and lipid degradation significantly impeded oocyte development and egg maturation. Notably, a significant increase in bile acid content was noted in the ovaries of the cold-treated fish, indicating that bile acids play a critical role in ovarian failure. Overall, these findings provide valuable insights into the mechanisms governing the reproductive response of fish to cold stress.

关键词： old stress Ovarian failure Metabolome Zebrafish

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Investigating the Genetic Bases of Growth Regulation by E2F3 in Dwarf Surf Clams Mulinia lateralis

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Journal of Ocean University of China 2024年第5期23卷 1347-1358页

作者： YAO Ruixing WANG Chen KONG Lingling WANG Yujue BAO Zhenmin HU Xiaoli MOE key laboratory of marine Genetics and Breeding College of Marine Life SciencesOcean University of ChinaQingdao 266003China laboratory for marine fisheries Science and Food Production Processes Qingdao Marine Science and TechnologyCenterQingdao 266237China key laboratory of Tropical Aquatic Germplasm of Hainan Province Sanya Oceanographic InstitutionOcean University of ChinaSanya 572000China

Bivalve aquaculture plays a crucial role in the aquaculture industry due to the economic value of many bivalve *** the underlying genetic basis of bivalve growth regulation is essential for enhancing germplasm innovation and ensuring sustainable development of the *** numerous candidate genes have been identified,their functional validation remains ***,the dwarf surf clam(Mulinia lateralis)serves as a promising model organism for investigating genetic mechanisms underlying growth regulation in *** GWAS study in the Yesso scallop(Patinopecten yessoensis)has pinpointed the E2F3 gene as a key regulator of growth-related ***,the specific role of E2F3 in bivalve growth remains *** study aimed to further confirm the regulatory function of the E2F3 gene in the dwarf surf clam through RNA interference *** results revealed several genes are associated with individual growth and development,including CTS7,HSP70B2,and PGLYRP3,as well as genes involved in lipid metabolism such as FABP2 and *** enrichment analysis indicated that E2F3 primarily modulates critical processes like amino acid and lipid *** findings suggest that E2F3 likely regulates growth in the dwarf surf clam by influencing amino acid and lipid ***,this study advances our understanding on the function of E2F3 gene in growth regulation in bivalves,providing valuable insights for future research in this field.

关键词： growth regulation E2F3 RNA interference experiment transcriptomic analysis dwarf surf clam Mulinia lateralis bivalve

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Integrative analysis of transcriptomic profile reveals potential roles of miRNAs in regulating development of Marsupenaeus japonicas

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Journal of Oceanology and Limnology 2024年第1期42卷 201-215页

作者： Jing WANG Longjun PU Xiaojuan ZHANG Cuicui LIANG Dandan DONG Jiantao GUAN Huarong GUO Ministry of Education key laboratory of marine Genetics and Breeding College of Marine Life SciencesOcean University of ChinaQingdao 266003China Institute of Evolution&marine Biodiversity Ocean University of ChinaQingdao 266003China Yellow Sea fisheries Research Institute Chinese Academy of Fishery SciencesQingdao 266071China

Regulation of microRNAs(miRNAs)on various biological processes has been a surprising and exciting *** of miRNAs is the first step to comprehensively understand their ***,attempts on global identification and functional verification of miRNAs are very limited in penaeid shrimp Marsupenaeus japonicus,an economically important aquatic *** performing an integrated analysis of transcriptomic profile from gastrula embryos of ***,21conserved miRNAs in ***(mja-miRNAs),belonging to 19 miRNA families,were identified and *** the 21 mja-miRNAs,15 miRNAs were successfully verified to be predominantly expressed in gastrula stage,where they displayed dynamic expression patterns compared with those in naupliuin *** on perfect or near-perfect match to target region,120 target genes were predicted at transcriptome-wide ***,gene ontology(GO)classification and metabolic pathway annotation revealed eight targets that were actively involved in developmental *** the predicted miRNA-mRNA pairs,six targets were then randomly selected and experimentally validated by dual luciferase reporter assay,where three pairs were proved with potential targeting ***,to search for conserved miRNAs potentially involved in early development of ***,we combined in silico and experimental methods,which can be applied in other organisms as *** data implied important roles of miRNAs in the early embryonic development and also suggested the presence of complex miRNA-mRNA functional networks in ***.

关键词： microRNAs(miRNAs) identification Marsupenaeus japonicus embryo transcriptome

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