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Wu H, Zhang Q, Dong C, Zheng G, Tan Z, Gu H. Coordination regulation of enhanced performance reveals the tolerance mechanism of Chlamys farreri to azaspiracid toxicity. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:135247. [PMID: 39029196 DOI: 10.1016/j.jhazmat.2024.135247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 07/15/2024] [Accepted: 07/16/2024] [Indexed: 07/21/2024]
Abstract
Azaspiracids (AZAs) are lipid biotoxins produced by the marine dinoflagellates Azadinium and Amphidoma spp. that can accumulate in shellfish and cause food poisoning in humans. However, the mechanisms underlying the tolerance of shellfish to high levels of such toxins remain poorly understood. This study investigated the combined effects of detoxification metabolism and stress-related responses in scallops Chlamys farreri exposed to AZA. Scallops accumulated a maximum of 361.81 μg AZA1 eq/kg and 41.6 % AZA residue remained after 21 days of exposure. A range of AZA2 metabolites, including AZA19, AZA11, and AZA23, and trace levels of AZA2-GST, were detected. Total hemocyte counts significantly increased and ROS levels remained consistently high until gradually decreasing. Immune system activation mediated mitochondrial dysfunction and severe energy deficiency. DEGs increased over time, with key genes CYP2J6 and GPX6 contributing to AZA metabolism. These transcriptome and metabolic results identify the regulation of energy metabolism pathways, including inhibition of the TCA cycle and activation of carbohydrates, amino acids, and lipids. AZA also induced autophagy through the MAPK-AMPK signaling pathways, and primary inhibited PI3K/AKT to decrease mTOR pathway expression. Our results provide additional insights into the resistance of C. farreri to AZA, characterized by re-establishing redox homeostasis toward a more oxidative state.
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Affiliation(s)
- Haiyan Wu
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture; Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
| | - Qianru Zhang
- Jiangsu Ocean University, Lianyungang 222005, China
| | - Chenfan Dong
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture; Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
| | - Guanchao Zheng
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture; Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
| | - Zhijun Tan
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture; Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China.
| | - Haifeng Gu
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361000, China
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Liu Y, Dong Z, Chen K, Yang M, Shi N, Liao X. microRNA-mRNA Analysis Reveals Tissue-Specific Regulation of microRNA in Mangrove Clam ( Geloina erosa). BIOLOGY 2023; 12:1510. [PMID: 38132336 PMCID: PMC10740791 DOI: 10.3390/biology12121510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/07/2023] [Accepted: 12/09/2023] [Indexed: 12/23/2023]
Abstract
Geloina erosa is an important benthic animal in the mangrove, serving as an indicator organism for coastal environmental pollution. This study aimed to investigate the tissue-specific expression of miRNAs and their regulatory roles in predicted targets in G. erosa. Through miRNA sequencing and co-expression network analysis, we extensively studied the miRNA expression in three tissues: gills, hepatopancreas, and muscle. The results revealed a total of 1412 miRNAs, comprising 1047 known miRNAs, and 365 newly predicted miRNAs. These miRNAs exhibited distinct tissue-specific expression patterns. In the miRNA target gene prediction, a total of 7404 potential predicted targets were identified, representing approximately 33% of all unique transcripts associated with miRNAs. Further co-expression network analysis revealed nine modules, each showing a positive correlation with specific tissues (gills, hepatopancreas, or muscle). The blue module showed a significant correlation with gills (r = 0.83, p-value = 0.006), the black module was significantly related to the hepatopancreas (r = 0.78, p-value = 0.01), and the purple module was significantly correlated with muscle (r = 0.83, p-value = 0.006). Within these modules, related miRNAs tended to cluster together, while their correlations with other modules were relatively weak. Functional enrichment analysis was performed on miRNAs and their predicted targets in each tissue. In the gills, miRNAs primarily regulate immune-related genes, substance transport, and cytoskeletal organization. In the hepatopancreas, miRNAs suppressed genes involved in shell formation and played a role in cellular motor activity and metabolism. In muscle, miRNAs participate in metabolism and photoreceptive processes, as well as immune regulation. In summary, this study provides valuable insights into the tissue-specific regulation of miRNAs in G. erosa, highlighting their potential roles in immune response, metabolism, and environmental adaptation. These findings offer important clues for understanding the molecular mechanisms and biological processes in G. erosa, laying the foundation for further validation and elucidation of these regulatory relationships.
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Affiliation(s)
- Yunqing Liu
- School of Computer and Information Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China; (Y.L.); (Z.D.)
| | - Ziheng Dong
- School of Computer and Information Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China; (Y.L.); (Z.D.)
| | - Kun Chen
- Guangxi Key Laboratory of Mangrove Conservation and Utilization, Guangxi Academy of Marine Science (Guangxi Mangrove Research Center), Guangxi Academy of Science, Beihai 536007, China
| | - Mingliu Yang
- Guangxi Key Laboratory of Mangrove Conservation and Utilization, Guangxi Academy of Marine Science (Guangxi Mangrove Research Center), Guangxi Academy of Science, Beihai 536007, China
| | - Nianfeng Shi
- School of Computer and Information Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China; (Y.L.); (Z.D.)
| | - Xin Liao
- Guangxi Key Laboratory of Mangrove Conservation and Utilization, Guangxi Academy of Marine Science (Guangxi Mangrove Research Center), Guangxi Academy of Science, Beihai 536007, China
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Zhou Y, Xu R, Gao Z, Miao J, Pan L. Insights into mechanism of DNA damage and repair-apoptosis in digestive gland of female scallop Chlamys farreri under benzo[a]pyrene exposure during reproductive stage. Comp Biochem Physiol C Toxicol Pharmacol 2023; 273:109738. [PMID: 37661044 DOI: 10.1016/j.cbpc.2023.109738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/25/2023] [Accepted: 08/30/2023] [Indexed: 09/05/2023]
Abstract
As one of the most carcinogenic persistent organic pollutants (POPs), benzo[a]pyrene (B [a]P) brings high toxicity to marine bivalves. Digestive gland is the most important metabolism-related organ of aquatic animals. This study conducted the digestive gland transcriptome of Chlamys farreri under B[a]P treatment at reproductive stages. And the reproductive-stage dependence metabolism-DNA repair-apoptosis process of scallops under 0, 0.04, 0.4 and 4 μg/L B[a]P was studied by qRT-PCR. The results demonstrated that the detoxification metabolism was disturbed after ovulation except for CYP3A4. In antioxidant system, antioxidant enzyme CAT and GPX, and GGT1 (one of the non-enzymatic antioxidants synthesis gene) continuously served the function of antioxidant defense. Three types of DNA repair were activated under B[a]P stress, however, DNA strand breaks were still serious. B[a]P exposure weakened death receptor pathway as well as enhanced mitochondrial pathway, surprisingly suppressing apoptosis in scallops. In addition, ten indicators were screened by Spearman correlation analysis. This study will provide sound theoretical basis for bivalve toxicology and contribute to the biomonitoring of marine POPs pollution.
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Affiliation(s)
- Yueyao Zhou
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
| | - Ruiyi Xu
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
| | - Zhongyuan Gao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
| | - Jingjing Miao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
| | - Luqing Pan
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China.
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Li Y, Liu L, Zhang L, Wei H, Wu S, Liu T, Shu Y, Yang Y, Yang Z, Wang S, Bao Z, Zhang L. Dynamic transcriptome analysis reveals the gene network of gonadal development from the early history life stages in dwarf surfclam Mulinia lateralis. Biol Sex Differ 2022; 13:69. [PMID: 36461090 PMCID: PMC9716669 DOI: 10.1186/s13293-022-00479-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 11/20/2022] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND Gonadal development is driven by a complex genetic cascade in vertebrates. However, related information remains limited in molluscs owing to the long generation time and the difficulty in maintaining whole life cycle in the lab. The dwarf surfclam Mulinia lateralis is considered an ideal bivalve model due to the short generation time and ease to breed in the lab. RESULTS To gain a comprehensive understanding of gonadal development in M. lateralis, we conducted a combined morphological and molecular analysis on the gonads of 30 to 60 dpf. Morphological analysis showed that gonad formation and sex differentiation occur at 35 and 40-45 dpf, respectively; then the gonads go through gametogenic cycle. Gene co-expression network analysis on 40 transcriptomes of 35-60 dpf gonads identifies seven gonadal development-related modules, including two gonad-forming modules (M6, M7), three sex-specific modules (M14, M12, M11), and two sexually shared modules (M15, M13). The modules participate in different biological processes, such as cell communication, glycan biosynthesis, cell cycle, and ribosome biogenesis. Several hub transcription factors including SOX2, FOXZ, HSFY, FOXL2 and HES1 are identified. The expression of top hub genes from sex-specific modules suggests molecular sex differentiation (35 dpf) occurs earlier than morphological sex differentiation (40-45 dpf). CONCLUSION This study provides a deep insight into the molecular basis of gonad formation, sex differentiation and gametogenesis in M. lateralis, which will contribute to a comprehensive understanding of the reproductive regulation network in molluscs.
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Affiliation(s)
- Yajuan Li
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China
| | - Liangjie Liu
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China
| | - Lijing Zhang
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China
| | - Huilan Wei
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China
| | - Shaoxuan Wu
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China
| | - Tian Liu
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China
| | - Ya Shu
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China
| | - Yaxin Yang
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China
| | - Zujing Yang
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China
| | - Shi Wang
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China ,grid.484590.40000 0004 5998 3072Laboratory for Marine Biology and Biotechnology & Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China ,grid.4422.00000 0001 2152 3263Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Oceanographic Institution, Ocean University of China, Sanya, China
| | - Zhenmin Bao
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China ,grid.484590.40000 0004 5998 3072Laboratory for Marine Biology and Biotechnology & Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China ,grid.4422.00000 0001 2152 3263Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Oceanographic Institution, Ocean University of China, Sanya, China
| | - Lingling Zhang
- grid.4422.00000 0001 2152 3263MOE Key Laboratory of Marine Genetics and Breeding & Sars-Fang Centre, Ocean University of China, 5 Yushan Road, Qingdao, China ,grid.484590.40000 0004 5998 3072Laboratory for Marine Biology and Biotechnology & Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China
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Gao Z, Pan L, Xu R, Zhou Y, Li D. Insights into disruption of lipid metabolism in digestive gland of female scallop Chlamys farreri under B[a]P exposure. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 299:118904. [PMID: 35091022 DOI: 10.1016/j.envpol.2022.118904] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 01/20/2022] [Accepted: 01/23/2022] [Indexed: 06/14/2023]
Abstract
Lipids are the main energy support during gametogenesis. Digestive gland is the key organ of aquatic animal metabolism for storing nutrition and supplying energy. It participates in a variety of life activities (such as growth, digestion, immunity, and reproduction). Nutrients stored in digestive glands, especially lipids, provide energy for reproductive behaviors such as gametogenesis and ovulation. A large number of studies have confirmed the accumulation of lipids from digestive gland to gonad during gametogenesis. At present, the research on the interference mechanism of persistent organic pollutants (POPs) on lipid metabolism of aquatic animals and the adaptive response of aquatic animals to POPs stress focus on biochemical levels or a few genes. The potential molecular mechanism of lipid metabolism interference needs to be further studied. In addition, as an important stage of aquatic animals, the reproductive period is a vigorous period of lipid metabolism. However, at present, there is no report on the molecular mechanism of POPs interfering with the lipid metabolism of the digestive gland in the reproductive process of aquatic animals. In this study, female scallop C. farreri was cultured in natural seawater and exposed to 4 μg/L B[a]P in seawater. Transcriptome analysis of digestive glands at multiple stages (proliferative stage, growth stage, mature stage and spawn stage) was performed, and iPath pathway analysis was used to analyze lipid metabolism pathways and differential genes. The interference mechanism of lipid metabolism in bivalves during reproductive period was revealed. This study will provide valuable genomic information on the role of digestive glands in lipid metabolism and reproduction of C. farreri, and will contribute to further functional genomics of bivalves and other closely related species.
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Affiliation(s)
- Zhongyuan Gao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, China
| | - Luqing Pan
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, China.
| | - Ruiyi Xu
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, China
| | - Yueyao Zhou
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, China
| | - Dongyu Li
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, China
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Yin X, Zhuang X, Liao M, Huang L, Cui Q, Liu C, Dong W, Wang F, Liu Y, Wang W. Transcriptome analysis of Pacific white shrimp (Litopenaeus vannamei) hepatopancreas challenged by Vibrio alginolyticus reveals lipid metabolic disturbance. FISH & SHELLFISH IMMUNOLOGY 2022; 123:238-247. [PMID: 35278640 DOI: 10.1016/j.fsi.2022.03.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 03/01/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
Vibrio alginolyticus is a devastating bacterial pathogen of Pacific white shrimp (Litopenaeus vannamei), which often causes acute hepatopancreatic necrosis syndrome (AHPNS) and early mortality syndrome (EMS). Elucidation of molecular mechanisms of L. vannamei in responding to infection is essential for controlling the epidemic. In the present study, transcriptomic profiles of L. vannamei hepatopancreas were explored by injecting with PBS or V. alginolyticus. Hepatopancreas morphology of L. vannamei was also assessed. The result reveals that compared with the hepatopancreas of PBS group, the storage cells (R-cell), secretory cells (B-cell) and star-shaped polygonal structures of the lumen were disappeared and necrotic after challenged by V. alginolyticus at 24 h. Transcriptome data showed that a total of 314 differential expression genes were induced by V. alginolyticus, with 133 and 181 genes up- and down-regulated, respectively. These genes were mainly associated with lysosome pathway, glycerophospholipid metabolism, drug metabolism-other enzymes, cysteine and methionine metabolism, aminoacyl-tRNA biosynthesis and PPAR signal pathway. Among these pathways, the lysosome pathway, glycerophospholipid metabolism and PPAR signal pathway were both related with lipid metabolism. Therefore, we detected the lipid accumulation in hepatopancreas by Oil Red O staining, TG and CHOL detection and the relative mRNA expression of several lipid metabolism related genes in the hepatopancreas of shrimp after challenge to V. alginolyticus. The present data reveals that lipids from the L. vannamei are nutrient sources for the V. alginolyticus and define the fate of the infection by modulating lipid homeostasis. These findings may have important implication for understanding the L. vannamei and V. alginolyticus interactions, and provide a substantial dataset for further research and may deliver the basis for preventing the bacterial diseases.
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Affiliation(s)
- Xiaoli Yin
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou, 510631, PR China
| | - Xueqi Zhuang
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou, 510631, PR China
| | - Meiqiu Liao
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou, 510631, PR China
| | - Lin Huang
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou, 510631, PR China
| | - Qiqian Cui
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou, 510631, PR China
| | - Can Liu
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou, 510631, PR China
| | - Wenna Dong
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou, 510631, PR China
| | - Feifei Wang
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou, 510631, PR China
| | - Yuan Liu
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou, 510631, PR China
| | - Weina Wang
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou, 510631, PR China.
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