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Zhou F, Wang Y, Liu X, Xu S, Chen D, Wang X. The effects of polystyrene microplastics on feeding, growth, and trophic upgrading of protozoan grazers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 952:175986. [PMID: 39233088 DOI: 10.1016/j.scitotenv.2024.175986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Revised: 08/29/2024] [Accepted: 08/31/2024] [Indexed: 09/06/2024]
Abstract
Microplastics have become ubiquitous in the global marine environment, posing substantial influences on marine organism health, food web function and marine ecosystem structure. Protozoan grazers are known for their ability to improve the biochemical constituents of poor-quality algae for subsequent use by higher trophic levels. However, the effects of microplastics on the trophic upgrading of protozoan grazers remain unknown. To address this knowledge gap, the ciliate Euplotes vannus and the heterotrophic dinoflagellate Oxyrrhis marina were exposed to microplastic particles (5 μm) for four days with various concentrations (1-20 mg/L). Both O. marina and E. vannus ingested microplastics. At the exposure level of 20 mg/L, the ingestion rate, growth rate, biovolume, and carbon biomass of E. vannus were significantly decreased by 28.18 %, 32.01 %, 30.46 %, and 82.27 %, respectively, while such effects were not observed for O. marina. The contents of highly unsaturated fatty acids in O. marina and E. vannus on a mixed diet of microplastic particles and green algae significantly reduced by 8.66 % and 41.49 % relative to feeding only on green algae, respectively. Besides, we also observed an increase in the composition of C18:3 (ω-3) and C20:3 (ω-3) concurrence with a significant decrease in C16:0 and C18:0 in E. vannus after 96 h exposure at 20 mg/L. These results indicate that microplastics can weaken trophic upgrading of the nutritional quality by protozoan grazers, which may consequently alter the function of food webs.
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Affiliation(s)
- Fengli Zhou
- College of Life Science and Technology, Jinan University, Guangzhou, China; College of Environment and Climate, Guangdong Provincial Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, Guangdong, China
| | - Yan Wang
- College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Xiaotu Liu
- College of Environment and Climate, Guangdong Provincial Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, Guangdong, China
| | - Shuaishuai Xu
- College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Da Chen
- College of Environment and Climate, Guangdong Provincial Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, Guangdong, China
| | - Xiaodong Wang
- College of Life Science and Technology, Jinan University, Guangzhou, China.
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He P, Li W, Wei P, Jiang L, Guan J, Ma Y, Zhang L, Chen Y, Zheng Y, Zhang X, Peng J. Antioxidant Capacity, Enzyme Activities Related to Energy Metabolism, and Transcriptome Analysis of Crassostrea hongkongensis Exposed to Hypoxia. Antioxidants (Basel) 2024; 13:1063. [PMID: 39334722 PMCID: PMC11429291 DOI: 10.3390/antiox13091063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2024] [Revised: 08/26/2024] [Accepted: 08/29/2024] [Indexed: 09/30/2024] Open
Abstract
Crassostrea hongkongensis (C. hongkongensis) is one of the three most commonly cultivated oyster species in China. Seasonal hypoxia is one of the most serious threats to its metabolism, reproductive behavior, and survival. To investigate the effects of hypoxia stress on the antioxidant capacity and energy metabolism of C. hongkongensis, the total antioxidant capacity (T-AOC), glycogen content, and enzyme activities (phosphofructokinase, PFK; pyruvate kinase, PK; phosphoenolpyruvate carboxykinase, PEPCK) of oysters were determined under normoxic (DO 6 ± 0.2 mg/L) and hypoxic (DO 1.5 mg/L) conditions at 0 h, 6 h, 48 h, and 72 h. We also determined the T-AOC, glycogen content, and enzyme activities of oysters under reoxygenation (recovered to normoxia for 24 h). To further examine the potential molecular regulatory mechanism of hypoxic adaptation, a transcriptome analysis was conducted on the gill of C. hongkongensis under normoxia (N, 72 h), hypoxia (H, 72 h), and reoxygenation (R). After being exposed to hypoxia for 6 h, the T-AOC, glycogen content, and enzyme activities of PK, PFK, and PEPCK in C. hongkongensis were significantly decreased. However, after prolonging the duration of hypoxia exposure for 72 h, the T-AOC, glycogen content, and enzyme activities increased compared to that of 48 h. After 24 h reoxygenation, the T-AOC, glycogen content, and enzyme activity of PK and PFK returned to close to initial levels. In addition, a transcriptome analysis discovered 6097 novel genes by mapping the C. hongkongensis genome with the clean reads. In total, 352 differentially expressed genes (DEGs) were identified in the H vs. N comparison group (235 upregulated and 117 downregulated genes). After recovery to normoxia, 292 DEGs (134 upregulated and 158 downregulated genes) were identified in the R vs. N comparison group, and 632 DEGs were identified (253 upregulated and 379 downregulated genes) in the R vs. H comparison group. The DEGs included some hypoxia-tolerant genes, such as phosphoenolpyruvate carboxykinase (PEPCK), mitochondrial (AOX), tyramine beta-hydroxylase (TBH), superoxide dismutase (SOD), glutathione S-transferase (GST), and egl nine homolog 1 isoform X2 (EGLN1). Additionally, DEGs were significantly enriched in the KEGG pathways that are involved in hypoxia tolerance, including the metabolism of xenobiotics by cytochrome P450 pathways and the HIF-1 signaling pathway. Then, we selected the five hypoxic-tolerant candidate DEGs for real-time quantitative polymerase chain reaction (RT-qPCR) validation, and the results were consistent with the transcriptome sequencing data. These discoveries have increased our understanding of hypoxia tolerance, recovery ability after reoxygenation, and molecular mechanisms governing the responses to hypoxia in C. hongkongensis.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Xingzhi Zhang
- Guangxi Key Laboratory of Aquatic Genetic Breedingand Healthy Aquaculture, China (Guangxi)-ASEAN Key Laboratory of Comprehensive Exploitation and Utilization of Aquatic Germplasm Resources, Ministry of Agriculture and Rural Affairs, Guangxi Academy of Fishery Sciences, Nanning 530021, China; (P.H.); (W.L.); (P.W.); (L.J.); (J.G.); (Y.M.); (L.Z.); (Y.C.); (Y.Z.)
| | - Jinxia Peng
- Guangxi Key Laboratory of Aquatic Genetic Breedingand Healthy Aquaculture, China (Guangxi)-ASEAN Key Laboratory of Comprehensive Exploitation and Utilization of Aquatic Germplasm Resources, Ministry of Agriculture and Rural Affairs, Guangxi Academy of Fishery Sciences, Nanning 530021, China; (P.H.); (W.L.); (P.W.); (L.J.); (J.G.); (Y.M.); (L.Z.); (Y.C.); (Y.Z.)
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Anjos C, Duarte D, Fatsini E, Matias D, Cabrita E. Comparative transcriptome analysis reveals molecular damage associated with cryopreservation in Crassostrea angulata D-larvae rather than to cryoprotectant exposure. BMC Genomics 2024; 25:591. [PMID: 38867206 PMCID: PMC11167747 DOI: 10.1186/s12864-024-10473-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 05/29/2024] [Indexed: 06/14/2024] Open
Abstract
BACKGROUND The Portuguese oyster Crassostrea angulata, a bivalve of significant economic and ecological importance, has faced a decline in both production and natural populations due to pathologies, climate change, and anthropogenic factors. To safeguard its genetic diversity and improve reproductive management, cryopreservation emerges as a valuable strategy. However, the cryopreservation methodologies lead to some damage in structures and functions of the cells and tissues that can affect post-thaw quality. Transcriptomics may help to understand the molecular consequences related to cryopreservation steps and therefore to identify different freezability biomarkers. This study investigates the molecular damage induced by cryopreservation in C. angulata D-larvae, focusing on two critical steps: exposure to cryoprotectant solution and the freezing/thawing process. RESULTS Expression analysis revealed 3 differentially expressed genes between larvae exposed to cryoprotectant solution and fresh larvae and 611 differentially expressed genes in cryopreserved larvae against fresh larvae. The most significantly enriched gene ontology terms were "carbohydrate metabolic process", "integral component of membrane" and "chitin binding" for biological processes, cellular components and molecular functions, respectively. Kyoto Encyclopedia of Genes and Genomes enrichment analysis identified the "neuroactive ligand receptor interaction", "endocytosis" and "spliceosome" as the most enriched pathways. RNA sequencing results were validate by quantitative RT-PCR, once both techniques presented the same gene expression tendency and a group of 11 genes were considered important molecular biomarkers to be used in further studies for the evaluation of cryodamage. CONCLUSIONS The current work provided valuable insights into the molecular repercussions of cryopreservation on D-larvae of Crassostrea angulata, revealing that the freezing process had a more pronounced impact on larval quality compared to any potential cryoprotectant-induced toxicity. Additionally, was identify 11 genes serving as biomarkers of freezability for D-larvae quality assessment. This research contributes to the development of more effective cryopreservation protocols and detection methods for cryodamage in this species.
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Affiliation(s)
- Catarina Anjos
- Centre of Marine Sciences-CCMAR/CIMAR.LA, University of Algarve, Faro, 8005-139, Portugal
- Portuguese Institute for Sea and Atmosphere-IPMA, Av. 5 de Outubro, Olhão, 8700-305, Portugal
| | - Daniel Duarte
- Centre of Marine Sciences-CCMAR/CIMAR.LA, University of Algarve, Faro, 8005-139, Portugal
| | - Elvira Fatsini
- Centre of Marine Sciences-CCMAR/CIMAR.LA, University of Algarve, Faro, 8005-139, Portugal
| | - Domitília Matias
- Portuguese Institute for Sea and Atmosphere-IPMA, Av. 5 de Outubro, Olhão, 8700-305, Portugal
| | - Elsa Cabrita
- Centre of Marine Sciences-CCMAR/CIMAR.LA, University of Algarve, Faro, 8005-139, Portugal.
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Tilikj N, de la Fuente M, González ABM, Martínez-Guitarte JL, Novo M. Surviving in a multistressor world: Gene expression changes in earthworms exposed to heat, desiccation, and chemicals. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 108:104428. [PMID: 38570150 DOI: 10.1016/j.etap.2024.104428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 03/18/2024] [Accepted: 03/21/2024] [Indexed: 04/05/2024]
Abstract
An investigation of the effects of anthropogenic stress on terrestrial ecosystems is urgently needed. In this work, we explored how exposure to heat, desiccation, and chemical stress alters the expression of genes that encode heat shock proteins (HSPs), an enzyme that responds to oxidative stress (CAT), hypoxia-related proteins (HIF1 and HYOU), and a DNA repair-related protein (PARP1) in the earthworm Eisenia fetida. Exposure to heat (31°C) for 24 h upregulated HSPs and hypoxia-related genes, suggesting possible acquired thermotolerance. Desiccation showed a similar expression profile; however, the HSP response was activated to a lesser extent. Heat and desiccation activated the small HSP at 24 h, suggesting that they may play a role in adaptation. Simultaneous exposure to endosulfan and temperature for 7 h upregulated all of the evaluated genes, implicating a coordinated response involving multiple biological processes to ensure survival and acclimation. These results highlight the relevance of multistress analysis in terrestrial invertebrates.
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Affiliation(s)
- Natasha Tilikj
- Departamento de Biodiversidad, Ecología y Evolución, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid, C/José Antonio Nováis 12, Madrid 28040, Spain.
| | - Mercedes de la Fuente
- Environmental Toxicology and Biology Group, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Avenida de Esparta, s/n, Madrid 28232, Spain
| | - Ana Belén Muñiz González
- Environmental Toxicology and Biology Group, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Avenida de Esparta, s/n, Madrid 28232, Spain
| | - José-Luis Martínez-Guitarte
- Environmental Toxicology and Biology Group, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Avenida de Esparta, s/n, Madrid 28232, Spain
| | - Marta Novo
- Departamento de Biodiversidad, Ecología y Evolución, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid, C/José Antonio Nováis 12, Madrid 28040, Spain
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Wang Y, Jiang P, Xia F, Bai Q, Zhang X. Transcriptional and physiological profiles reveal the respiratory, antioxidant and metabolic adaption to intermittent hypoxia in the clam Tegillarca granosa. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2024; 50:101215. [PMID: 38359602 DOI: 10.1016/j.cbd.2024.101215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/08/2024] [Accepted: 02/08/2024] [Indexed: 02/17/2024]
Abstract
Tegillarca granosa can survive intermittent hypoxia for a long-term. We used the clam T. granosa as model to investigate the respiratory, antioxidant and metabolic responses to consecutive hypoxia-reoxygenation (H/R) stress at both physiological and transcriptional levels. The results showed that the clams were able to rapidly regulate oxygen consumption and ammonia excretion during H/R stress, and alleviate oxidative stress during the second-time challenge. The clams also efficiently balanced energy metabolism through the rapid conversion and decomposition of glycogen. According to the transcriptome profile, KEGG pathways of starch and sucrose metabolism, ECM-receptor interaction, and protein processing in endoplasmic reticulum were significantly enriched in H group (the second-time 24 h hypoxia exposure), while pathways associated with lipid metabolism were significantly enriched in h group (the first-time 24 h hypoxia exposure). DEGs including hspa5, birc2/3, and map3k5 might play important roles in alleviating endoplasmic reticulum stress, cpla2 and pla2g16 might mitigate oxidative stress by adjusting the composition of cellular membrane. In conclusions, our findings suggest that rapid adjustment of oxygen consumption, ammonia metabolism, glycogen metabolism, and the ability to adjust the composition of the membrane lipid may be critical for T. granosa in maintaining energy homeostasis and reducing oxidative damage during intermittent H/R exposure. This study preliminarily clarified the response of T. granosa to intermittent hypoxia stress on the physiological and molecular levels, offering insights into the hypoxia-tolerant mechanisms in this species and providing a reference for the following study on the other hypoxic-tolerant species.
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Affiliation(s)
- Yihang Wang
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Puyuan Jiang
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Feiyu Xia
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Qingqing Bai
- The Government of Guanhaiwei Town, Cixi 315315, China
| | - Xiumei Zhang
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China.
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Dourdin TS, Berthelin C, Guyomard K, Morin A, Morandi N, Elie N, Villain-Naud N, Rivière G, Sussarellu R. The Pacific oyster reproduction is affected by early-life exposure to environmental pesticide mixture: A multigenerational study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 937:173569. [PMID: 38810751 DOI: 10.1016/j.scitotenv.2024.173569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 05/15/2024] [Accepted: 05/25/2024] [Indexed: 05/31/2024]
Abstract
Pesticides threat marine organisms worldwide. Among them, the Pacific oyster is a bivalve mollusc model in marine ecotoxicology. A large body of literature already stated on the multiple-scale effects pesticides can trigger in the Pacific oyster, throughout its life cycle and in a delayed manner. In particular, reproductive toxicity is of major concern because of its influence on population dynamics. However, past studies mostly investigated pesticide reprotoxicity as a direct effect of exposure during gametogenesis or directly on gametes and little is known about the influence of an early embryo exposure on the breed capacity. Therefore, we studied delayed and multigenerational consequences through gametogenesis features (i.e. sex ratio, glycogen content, gene expression) and reproductive success in two consecutive oyster generations (F0 and F1) exposed to an environmentally-relevant pesticide mixture (sum nominal concentration: 2.85 μg.L-1) during embryo-larval development (0-48 h post fertilization, hpf). In the first generation, glycogen content increased in exposed individuals and the expression of some gametogenesis target genes was modified. The reproductive success measured 48 hpf was higher in exposed individuals. A multigenerational influence was observed in the second generation, with feminisation, acceleration of gametogenesis processes and the sex-specific modification of glycogen metabolism in individuals from exposed parents. This study is the first to highlight the delayed effects on reproduction induced by an early exposure to pesticides, and its multigenerational implications in the Pacific oyster. It suggests that environmental pesticide contamination can have impacts on the recruitment and the dynamics of natural oyster populations exposed during their embryo-larval phase.
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Affiliation(s)
- Thomas Sol Dourdin
- Ifremer, CCEM Contamination Chimique des Écosystèmes Marins, F-44000, France
| | - Clothilde Berthelin
- Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), UMR8067, Muséum National d'Histoire Naturelle (MNHN), Centre National de la Recherche Scientifique (CNRS), Institut de Recherche et Développement (IRD), Sorbonne Université (SU), Université de Caen Normandie (UCN), Université des Antilles (UA), 75231 Paris CEDEX, France
| | - Killian Guyomard
- Ifremer, EMMA Plateforme Expérimentale Mollusques Marins Atlantique, F-85230, France
| | - Alicia Morin
- Ifremer, CCEM Contamination Chimique des Écosystèmes Marins, F-44000, France
| | - Nathan Morandi
- Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), UMR8067, Muséum National d'Histoire Naturelle (MNHN), Centre National de la Recherche Scientifique (CNRS), Institut de Recherche et Développement (IRD), Sorbonne Université (SU), Université de Caen Normandie (UCN), Université des Antilles (UA), 75231 Paris CEDEX, France
| | - Nicolas Elie
- Université de Caen Normandie, Structure Federative 4207 'Normandie Oncologie', PLATON Services Unit, Virtual'His, F-14000 Caen, France
| | - Nadège Villain-Naud
- Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), UMR8067, Muséum National d'Histoire Naturelle (MNHN), Centre National de la Recherche Scientifique (CNRS), Institut de Recherche et Développement (IRD), Sorbonne Université (SU), Université de Caen Normandie (UCN), Université des Antilles (UA), 75231 Paris CEDEX, France
| | - Guillaume Rivière
- Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), UMR8067, Muséum National d'Histoire Naturelle (MNHN), Centre National de la Recherche Scientifique (CNRS), Institut de Recherche et Développement (IRD), Sorbonne Université (SU), Université de Caen Normandie (UCN), Université des Antilles (UA), 75231 Paris CEDEX, France
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Su L, Yang W, Liu S, Yuan C, Huang T, Jia R, Wei H. Effect of Neutral Protease on Freshness Quality of Shucked Pacific Oysters at Different Storage Conditions. Foods 2024; 13:1273. [PMID: 38672947 PMCID: PMC11048844 DOI: 10.3390/foods13081273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/07/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
The aim of this study was to investigate the effect of neutral protease treatment on the biochemical properties of various parts of Pacific oysters (Crassostrea gigas) under different storage conditions. The mechanism of quality degradation in the mantle, adductor muscle, gill, and trunk of treated oysters stored at -1.5 °C (superchilling) or 4 °C (refrigeration) for several days using different storage methods was studied. The results showed that the oyster treated with the enzyme exhibited higher glycogen content, flavor nucleotide content, and sensory scores compared to the control group. Superchilling at -1.5 °C was observed to slow the increase in total volatile basic nitrogen (TVB-N), total viable count (TVC), and pH, while maintaining sensory scores better than refrigeration at 4 °C. Both wet superchilling (WS) and dry exposed superchilling (DeS) methods effectively preserved freshness and quality at -1.5 °C. The freshness of the oysters' body trunk changed most significantly. K value, K' value, and AEC value, as the evaluation indexes of oyster freshness, were affected by the storage medium. Therefore, neutral protease enhances the flavor of oysters in a short time, and oysters stored in wet superchilling or dry exposed superchilling conditions have an extended shelf life.
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Affiliation(s)
- Lanxiang Su
- College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China
| | - Wenge Yang
- College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China
| | - Siyang Liu
- College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China
| | - Chunhong Yuan
- Faculty of Agriculture, Iwate University, Ueda 3-18-8, Morioka 020-8550, Iwate, Japan
| | - Tao Huang
- College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China
| | - Ru Jia
- College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China
| | - Huamao Wei
- College of Food Science and Engineering, Ningbo University, Ningbo 315211, China
- Key Laboratory of Animal Protein Food Deep Processing Technology of Zhejiang Province, Ningbo University, Ningbo 315211, China
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Delorme NJ, Burritt DJ, Zamora LN, Welford MRV, South PM. Oxidative Damage and Antioxidants as Markers for the Selection of Emersion Hardening Treatments in Greenshell TM Mussel Juveniles ( Perna canaliculus). Antioxidants (Basel) 2024; 13:198. [PMID: 38397796 PMCID: PMC10886077 DOI: 10.3390/antiox13020198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/23/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024] Open
Abstract
Transport out of the water is one of the most challenging events for juvenile Perna canaliculus and can be a highly inefficient process, with many juveniles subsequently being lost following extended periods of emersion. Hardening techniques offer a possible method for reducing transport-related stress. In this study, different hardening treatments (short, long and intermittent sub-lethal emersion) were used to prepare ~1.2 mm P.canaliculus for transport (20 h) and subsequent reoxygenation stress during re-immersion (i.e., recovery). The oxidative stress responses, resettlement behaviour, respiration rates and survival of the mussels after transport and during recovery were all assessed. Short emersion (1 h) as a hardening treatment prior to transport did not cause major stress to the mussels, which maintained respiration at control levels, showed significantly stimulated antioxidant defences during recovery, showed greater resettlement behaviour and remained viable after 24 h of recovery. In comparison, the long and intermittent emersion treatments negatively impacted oxidative stress responses and affected the viability of the mussels after 24 h of recovery. This study showed that exposing juvenile P.canaliculus to a mild stress prior to transport may stimulate protective mechanisms, therefore eliciting a hardening response, but care must be taken to avoid overstressing the mussels. Improving the management of stress during the transport of juvenile mussels may be key to minimising mussel losses and increasing harvest production, and biomarkers associated with oxidative stress/antioxidant metabolism could be valuable tools to ensure emersion hardening does not overstress the mussels and reduce survival.
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Affiliation(s)
- Natalí J. Delorme
- Cawthron Institute, Private Bag 2, Nelson 7042, New Zealand; (L.N.Z.); (M.R.V.W.); (P.M.S.)
| | - David J. Burritt
- Department of Botany, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Leonardo N. Zamora
- Cawthron Institute, Private Bag 2, Nelson 7042, New Zealand; (L.N.Z.); (M.R.V.W.); (P.M.S.)
| | - Mena R. V. Welford
- Cawthron Institute, Private Bag 2, Nelson 7042, New Zealand; (L.N.Z.); (M.R.V.W.); (P.M.S.)
| | - Paul M. South
- Cawthron Institute, Private Bag 2, Nelson 7042, New Zealand; (L.N.Z.); (M.R.V.W.); (P.M.S.)
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Cheng H, Peng Z, Zhao C, Jin H, Bao Y, Liu M. The transcriptomic and biochemical responses of blood clams (Tegillarca granosa) to prolonged intermittent hypoxia. Comp Biochem Physiol B Biochem Mol Biol 2024; 270:110923. [PMID: 37952637 DOI: 10.1016/j.cbpb.2023.110923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/07/2023] [Accepted: 11/09/2023] [Indexed: 11/14/2023]
Abstract
The blood clam (Tegillarca granosa), a marine bivalve of ecological and economic significance, often encounters intermittent hypoxia in mudflats and aquatic environments. To study the response of blood clam foot to prolonged intermittent hypoxia, the clams were exposed to intermittent hypoxia conditions (0.5 mg/L dissolved oxygen, with a 12-h interval) for 31 days. Initially, transcriptomic analysis was performed, uncovering a total of 698 differentially expressed genes (DEGs), with 236 upregulated and 462 downregulated. These genes show enrichments in signaling pathways related to glucose metabolism, sugar synthesis and responses to oxidative stress. Furthermore, the activity of the enzyme glutathione peroxidase (GPx) and the levels of gpx1 mRNA showed gradual increases, reaching their peak on the 13th day of intermittent hypoxia exposure. This observation suggests an indirect protective role of GPx against oxidative stress. The results of this study make a significantly contribute to our broader comprehensive of the physiological, biochemical responses, and molecular reactions governing the organization of foot muscle tissue in marine bivalves exposed to prolonged intermittent hypoxic conditions.
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Affiliation(s)
- Haoxiang Cheng
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China
| | - Zhilan Peng
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China; Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai 315604, China
| | - Chenxi Zhao
- Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai 315604, China
| | - Hongyu Jin
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China
| | - Yongbo Bao
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China; Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai 315604, China.
| | - Minhai Liu
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China; Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai 315604, China.
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Trevisan R, Mello DF. Redox control of antioxidants, metabolism, immunity, and development at the core of stress adaptation of the oyster Crassostrea gigas to the dynamic intertidal environment. Free Radic Biol Med 2024; 210:85-106. [PMID: 37952585 DOI: 10.1016/j.freeradbiomed.2023.11.003] [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: 09/23/2023] [Revised: 10/30/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023]
Abstract
This review uses the marine bivalve Crassostrea gigas to highlight redox reactions and control systems in species living in dynamic intertidal environments. Intertidal species face daily and seasonal environmental variability, including temperature, oxygen, salinity, and nutritional changes. Increasing anthropogenic pressure can bring pollutants and pathogens as additional stressors. Surprisingly, C. gigas demonstrates impressive adaptability to most of these challenges. We explore how ROS production, antioxidant protection, redox signaling, and metabolic adjustments can shed light on how redox biology supports oyster survival in harsh conditions. The review provides (i) a brief summary of shared redox sensing processes in metazoan; (ii) an overview of unique characteristics of the C. gigas intertidal habitat and the suitability of this species as a model organism; (iii) insights into the redox biology of C. gigas, including ROS sources, signaling pathways, ROS-scavenging systems, and thiol-containing proteins; and examples of (iv) hot topics that are underdeveloped in bivalve research linking redox biology with immunometabolism, physioxia, and development. Given its plasticity to environmental changes, C. gigas is a valuable model for studying the role of redox biology in the adaptation to harsh habitats, potentially providing novel insights for basic and applied studies in marine and comparative biochemistry and physiology.
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Affiliation(s)
- Rafael Trevisan
- Univ Brest, Ifremer, CNRS, IRD, UMR 6539, LEMAR, Plouzané, 29280, France
| | - Danielle F Mello
- Univ Brest, Ifremer, CNRS, IRD, UMR 6539, LEMAR, Plouzané, 29280, France.
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11
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Bruhns T, Timm S, Feußner N, Engelhaupt S, Labrenz M, Wegner M, Sokolova IM. Combined effects of temperature and emersion-immersion cycles on metabolism and bioenergetics of the Pacific oyster Crassostrea (Magallana) gigas. MARINE ENVIRONMENTAL RESEARCH 2023; 192:106231. [PMID: 37862760 DOI: 10.1016/j.marenvres.2023.106231] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/12/2023] [Accepted: 10/14/2023] [Indexed: 10/22/2023]
Abstract
Life on tidal coasts presents physiological major challenges for sessile species. Fluctuations in oxygen and temperature can affect bioenergetics and modulate metabolism and redox balance, but their combined effects are not well understood. We investigated the effects of intermittent hypoxia (12h/12h) in combination with different temperature regimes (normal (15 °C), elevated (30 °C) and fluctuating (15 °C water/30 °C air)) on the Pacific oyster Crassostrea (Magallana) gigas. Fluctuating temperature led to energetic costly metabolic rearrangements and accumulation of proteins in oyster tissues. Elevated temperature led to high (60%) mortality and oxidative damage in survivors. Normal temperature had no major negative effects but caused metabolic shifts. Our study shows high plasticity of oyster metabolism in response to oxygen and temperature fluctuations and indicates that metabolic adjustments to oxygen deficiency are strongly modulated by the ambient temperature. Co-exposure to constant elevated temperature and intermittent hypoxia demonstrates the limits of this adaptive metabolic plasticity.
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Affiliation(s)
- Torben Bruhns
- Department of Marine Biology, Institute for Biological Sciences, University of Rostock, Albert-Einstein-Str. 3, 18059, Rostock, Germany
| | - Stefan Timm
- Department of Plant Physiology, Institute for Biological Sciences, University of Rostock, Albert-Einstein-Str. 3, 18059, Rostock, Germany
| | - Nina Feußner
- Department of Marine Biology, Institute for Biological Sciences, University of Rostock, Albert-Einstein-Str. 3, 18059, Rostock, Germany
| | - Sonja Engelhaupt
- Department of Marine Biology, Institute for Biological Sciences, University of Rostock, Albert-Einstein-Str. 3, 18059, Rostock, Germany
| | - Matthias Labrenz
- Leibniz Institute for Baltic Sea Research (IOW), Department of Biological Oceanography, Seestraße 15, 18119, Rostock, Germany
| | - Mathias Wegner
- Alfred Wegener Institut - Helmholtz-Zentrum für Polar- und Meeresforschung, Coastal Ecology, Waddensea Station Sylt, Hafenstraße 43, 25992, List/Sylt, Germany
| | - Inna M Sokolova
- Department of Marine Biology, Institute for Biological Sciences, University of Rostock, Albert-Einstein-Str. 3, 18059, Rostock, Germany; Department of Maritime Systems, Interdisciplinary Faculty, University of Rostock, Albert-Einstein-Str. 21, 18059, Rostock, Germany.
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12
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Joly LJ, Boersma M, Giraldo C, Mazurais D, Madec L, Collet S, Zambonino-Infante JL, Meunier CL. Smaller herring larval size-at-stage in response to environmental changes is associated with ontogenic processes and stress response. CONSERVATION PHYSIOLOGY 2023; 11:coad072. [PMID: 37711582 PMCID: PMC10498416 DOI: 10.1093/conphys/coad072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 08/03/2023] [Accepted: 09/05/2023] [Indexed: 09/16/2023]
Abstract
Global change puts coastal systems under pressure, affecting the ecology and physiology of marine organisms. In particular, fish larvae are sensitive to environmental conditions, and their fitness is an important determinant of fish stock recruitment and fluctuations. To assess the combined effects of warming, acidification and change in food quality, herring larvae were reared in a control scenario (11°C*pH 8.0) and a scenario predicted for 2100 (14°C*pH 7.6) crossed with two feeding treatments (enriched in phosphorus and docosahexaenoic acid or not). The experiment lasted from hatching to the beginning of the post-flexion stage (i.e. all fins present) corresponding to 47 days post-hatch (dph) at 14°C and 60 dph at 11°C. Length and stage development were monitored throughout the experiment and the expression of genes involved in growth, metabolic pathways and stress responses were analysed for stage 3 larvae (flexion of the notochord). Although the growth rate was unaffected by acidification and temperature changes, the development was accelerated in the 2100 scenario, where larvae reached the last developmental stage at a smaller size (-8%). We observed no mortality related to treatments and no effect of food quality on the development of herring larvae. However, gene expression analyses revealed that heat shock transcripts expression was higher in the warmer and more acidic treatment. Our findings suggest that the predicted warming and acidification environment are stressful for herring larvae, inducing a decrease in size-at-stage at a precise period of ontogeny. This could either negatively affect survival and recruitment via the extension of the predation window or positively increase the survival by reducing the larval stage duration.
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Affiliation(s)
- Léa J Joly
- English Channel and North Sea Research Unit, Ifremer, 150 Quai Gambetta, 62200 Boulogne-sur-Mer, France
- Shelf Sea System Ecology, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Biologische Anstalt Helgoland, Am Binnenhafen 1117, 27483 Helgoland, Germany
- Marine Ecology, GEOMAR Helmholtz Centre for Ocean Research, Düsternbrooker Weg 20, D-24105 Kiel, Germany
| | - Maarten Boersma
- Shelf Sea System Ecology, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Biologische Anstalt Helgoland, Am Binnenhafen 1117, 27483 Helgoland, Germany
- FB2, University of Bremen, Leobener Str, 28359 Bremen, Germany
| | - Carolina Giraldo
- English Channel and North Sea Research Unit, Ifremer, 150 Quai Gambetta, 62200 Boulogne-sur-Mer, France
| | - David Mazurais
- Physiology of Marine Organisms, Ifremer, Univ Brest, CNRS, IRD, LEMAR, ZI de la Pointe au Diable, 29280 Plouzané, France
| | - Lauriane Madec
- Physiology of Marine Organisms, Ifremer, Univ Brest, CNRS, IRD, LEMAR, ZI de la Pointe au Diable, 29280 Plouzané, France
| | - Sophie Collet
- Physiology of Marine Organisms, Ifremer, Univ Brest, CNRS, IRD, LEMAR, ZI de la Pointe au Diable, 29280 Plouzané, France
| | - José-Luis Zambonino-Infante
- Physiology of Marine Organisms, Ifremer, Univ Brest, CNRS, IRD, LEMAR, ZI de la Pointe au Diable, 29280 Plouzané, France
| | - Cédric L Meunier
- Shelf Sea System Ecology, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Biologische Anstalt Helgoland, Am Binnenhafen 1117, 27483 Helgoland, Germany
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13
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Steffen JBM, Sokolov EP, Bock C, Sokolova IM. Combined effects of salinity and intermittent hypoxia on mitochondrial capacity and reactive oxygen species efflux in the Pacific oyster, Crassostrea gigas. J Exp Biol 2023; 226:jeb246164. [PMID: 37470191 PMCID: PMC10445735 DOI: 10.1242/jeb.246164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 07/12/2023] [Indexed: 07/21/2023]
Abstract
Coastal environments commonly experience fluctuations in salinity and hypoxia-reoxygenation (H/R) stress that can negatively affect mitochondrial functions of marine organisms. Although intertidal bivalves are adapted to these conditions, the mechanisms that sustain mitochondrial integrity and function are not well understood. We determined the rates of respiration and reactive oxygen species (ROS) efflux in the mitochondria of oysters, Crassostrea gigas, acclimated to high (33 psu) or low (15 psu) salinity, and exposed to either normoxic conditions (control; 21% O2) or short-term hypoxia (24 h at <0.01% O2) and subsequent reoxygenation (1.5 h at 21% O2). Further, we exposed isolated mitochondria to anoxia in vitro to assess their ability to recover from acute (∼10 min) oxygen deficiency (<0.01% O2). Our results showed that mitochondria of oysters acclimated to high or low salinity did not show severe damage and dysfunction during H/R stress, consistent with the hypoxia tolerance of C. gigas. However, acclimation to low salinity led to improved mitochondrial performance and plasticity, indicating that 15 psu might be closer to the metabolic optimum of C. gigas than 33 psu. Thus, acclimation to low salinity increased mitochondrial oxidative phosphorylation rate and coupling efficiency and stimulated mitochondrial respiration after acute H/R stress. However, elevated ROS efflux in the mitochondria of low-salinity-acclimated oysters after acute H/R stress indicates a possible trade-off of higher respiration. The high plasticity and stress tolerance of C. gigas mitochondria may contribute to the success of this invasive species and facilitate its further expansion into brackish regions such as the Baltic Sea.
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Affiliation(s)
- Jennifer B. M. Steffen
- Department of Marine Biology, Institute of Biological Sciences, University of Rostock, 18059 Rostock, Germany
| | - Eugene P. Sokolov
- Leibniz Institute for Baltic Research, Leibniz Science Campus Phosphorus Research Rostock, 18119 Warnemünde, Germany
| | - Christian Bock
- Integrative Ecophysiology, Alfred-Wegener-Institute Helmholtz Centre for Polar and Marine Research, 27570 Bremerhaven, Germany
| | - Inna M. Sokolova
- Department of Marine Biology, Institute of Biological Sciences, University of Rostock, 18059 Rostock, Germany
- Department of Maritime Systems, Interdisciplinary Faculty, University of Rostock, 18059 Rostock, Germany
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14
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Karray S, Marchand J, Geffard A, Rebai T, Denis F, Chénais B, Hamza-Chaffai A. Metal Contamination and Biomarkers in Cerastoderma glaucum: A Multi-level Approach. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 84:484-503. [PMID: 37119272 DOI: 10.1007/s00244-023-00999-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 04/17/2023] [Indexed: 06/01/2023]
Abstract
In this study, we focused on evaluating the responses of the cockle, Cerastoderma glaucum to in situ exposures to metals at three sites in the Gulf of Gabes in the coastal zone of Tunisia differing in levels of metal contamination. Firstly, we examined the general physiological state of the organisms. Secondly, we evaluated the bioaccumulation of several metals (Cd, Cu, Zn, Ni) in the cockles. Thirdly, we focused on evaluating histologically changes in gametogenesis and sexual maturity of the organisms. Finally, we determined the expression of seven key genes encoding enzymes or proteins involved in responses to different types of environmental stressors. Results showed a decrease in the general physiological status of the cockles, including a reduced condition index, sex ratios skewed to females (70% and 80% females in the intermediate and the contaminated site, respectively) and greater mortalities in tests under anoxic conditions (i.e., stress on stress test) in cockles collected from the most contaminated site (LT50 = 2.88 days) compared to the cockles from the intermediate site (LT50 = 5 days) and the less contaminated site (LT50 = 6 days). Results for metal bioaccumulation showed that the levels of Cd, Cu, Zn and Ni in cockles were consistent with the contaminant gradient, with the highest levels in cockles from the most contaminated site (1.04; 4.92; 52.76 and 13.81 µg/g dw, respectively), followed by those from the intermediate site (0.34; 2.94; 36.94; 17.40 µg/g dw, respectively) and then the less contaminated site (0.065; 1.27; 21.62 and 5.40 µg/g dw, respectively). Results from the gametogenesis and maturity index showed few differences in the reproductive cycle of cockles collected from the three study sites. There were different patterns of gene expression that were divided into three groups in terms of responses: (1) expression of genes involved in metal detoxification, ATP Binding Cassette Subfamily B Member 1 (ABCB1) and metallothionein MT) and genes for superoxide dismutases (i.e., Mn SOD and CuZn SOD), which did not show any difference in their levels of expression; (2) heat shock protein 70 (HSP70) gene expression, which decreased in cockles according to the pollution gradient, and (3) expression of catalase (CAT) and cytochrome oxidase subunit 1 (COI) genes was threefold and 1000-fold higher in cockles from intermediate and most contaminated sites compared to the less contaminated site. Therefore, changes in overall physiological condition, sex ratios and expression of HSP70, CAT and COI genes may be appropriate biomarkers for in situ studies of the impacts of metals in cockles. However, these biomarkers should be coupled to proteomics studies.
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Affiliation(s)
- Sahar Karray
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France.
- Laboratoire d'Ecotoxicologie Marine et Environnementale, Université de Sfax, Sfax, Tunisia.
| | - Justine Marchand
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France
| | - Alain Geffard
- Université de Reims-Champagne Ardenne, EA 4689 Interactions Animal Environnement, BP 1039, 51687, Reims Cedex 2, France
| | - Tarek Rebai
- Laboratoire d'histologie à la faculté de médecine de Sfax, Université de Sfax, Sfax, Tunisia
| | - Françoise Denis
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France
- UMR 7208 CNRS-MNHN-IRD-UPMC Biologie des Organismes et des Ecosystèmes Aquatiques (BOREA), Concarneau, France
| | - Benoît Chénais
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France
| | - Amel Hamza-Chaffai
- Laboratoire d'Ecotoxicologie Marine et Environnementale, Université de Sfax, Sfax, Tunisia
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15
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Jing H, Liu Z, Wu B, Tu K, Liu Z, Sun X, Zhou L. Physiological and molecular responses to hypoxia stress in Manila clam Ruditapes philippinarum. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 257:106428. [PMID: 36889128 DOI: 10.1016/j.aquatox.2023.106428] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 06/18/2023]
Abstract
Hypoxia has become one of the major environmental problems in the aquaculture industry. As one of the most commercially important bivalves, Manila clam Ruditapes philippinarum may be suffering substantial mortality attributable to hypoxia. The physiological and molecular responses to hypoxia stress in Manila clam were evaluated at two levels of low dissolved oxygen: 0.5 mg/L (DO 0.5 mg/L) and 2.0 mg/L (DO 2.0 mg/L). With the prolongation of hypoxia stress, the mortality rate was 100% at 156 h under DO 0.5 mg/L. In contrast, 50% of clams survived after 240 h of stress at DO 2.0 mg/L. After the hypoxia stress, some severe structural damages were observed in gill, axe foot, hepatopancreas tissues, such as cell rupture and mitochondrial vacuolization. For the hypoxia-stressed clams, the significant rise and decline of enzyme activity (LDH and T-AOC) was observed in gills, in contrast to the reduction of glycogen content. Furthermore, the expression levels of genes related to energy metabolism (SDH, PK, Na+/K+-ATPase, NF-κB and HIF-1α) was significantly affected by the hypoxia stress. It is therefore suggested that the short-term survival of clams under hypoxia may be dependent on stress protection by antioxidants, energy allocation, and tissue energy reserves (such as glycogen stores). Despite this, the prolongation of hypoxia stress at DO 2.0 mg/L may cause the irreversible damages of cellular structures in clam tissues, eventually leading to the death of clams. We therefore support the hypothesis that the extent of hypoxia impacts on marine bivalves may be underestimated in the coastal areas.
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Affiliation(s)
- Hao Jing
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, PR. China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, PR. China
| | - Zhihong Liu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, PR. China
| | - Biao Wu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, PR. China
| | - Kang Tu
- Putian Institute of Aquaculture Science of Fujian Province, Putian, 351100, PR. China
| | - Zhengmin Liu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, PR. China; School of Marine Science and Fisheries, Jiangsu Ocean University, Lianyungang 222005, PR. China
| | - Xiujun Sun
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, PR. China.
| | - Liqing Zhou
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, PR. China.
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16
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Salgado-García RL, Kraffe E, Tripp-Valdez MA, Ramírez-Arce JL, Artigaud S, Flye-Sainte-Marie J, Mathieu-Resuge M, Sicard MT, Arellano-Martínez M, Racotta IS. Energy metabolism of juvenile scallops Nodipecten subnodosus under acute increased temperature and low oxygen availability. Comp Biochem Physiol A Mol Integr Physiol 2023; 278:111373. [PMID: 36690296 DOI: 10.1016/j.cbpa.2023.111373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 01/13/2023] [Accepted: 01/18/2023] [Indexed: 01/21/2023]
Abstract
High temperature increases energy demand in ectotherms, limiting their physiological capability to cope with hypoxic events. The present study aimed to assess the metabolic tolerance of juvenile Nodipecten subnodosus scallops to acute hyperthermia combined with moderate hypoxia. A previous study showed that juveniles exhibited a high upper temperature limit (32 °C), but the responses of juveniles to combined hyperthermia and low dissolved oxygen are unknown. Scallops were exposed to control conditions (treatment C: 22 °C, ∼7.1 mg O2 L-1 or PO2 156.9 mmHg), acute hyperthermia under normoxia (treatment T: 30 °C, ∼6.0 mg O2 L-1 or PO2 150.9 mmHg) or acute hyperthermia plus hypoxia (treatment TH: 30 °C, ∼2.5 mg O2 L-1 or PO2 62.5 mmHg) for 18 h. In T, juveniles exhibited an enhanced oxygen consumption, together with a decrease in adenylate energy charge (AEC) and arginine phosphate (ArgP), and with no changes in metabolic enzyme activity in the muscle. In TH, scallops maintained similar AEC and ArgP levels in muscle as those observed in T treatment. This response occurred along with the accumulation of inosine monophosphate and hypoxanthine. Besides, reduced citrate synthase and pyruvate kinase activities, enhanced hexokinase activity, and a higher octopine dehydrogenase/lactate dehydrogenase ratio in the mantle indicated the onset of anaerobiosis in TH. These responses indicate that juvenile scallops showed tissue-specific compensatory responses regarding their energy balance under moderate hypoxia at high temperatures. Our results give an insight into the tolerance limit of this species to combined hyperthermia and hypoxia in its northern limit of distribution.
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Affiliation(s)
- Rosa L Salgado-García
- Centro Interdisciplinario de Ciencias Marinas (CICIMAR), Instituto Politécnico Nacional (IPN), La Paz, B.C.S, Mexico; Centro de Investigaciones Biológicas del Noroeste, S. C. (CIBNOR), La Paz, B.C.S, Mexico.
| | - Edouard Kraffe
- University of Brest, CNRS, IRD, Ifremer, LEMAR, F-29280, Plouzane, France.
| | - Miguel A Tripp-Valdez
- Centro de Investigaciones Biológicas del Noroeste, S. C. (CIBNOR), La Paz, B.C.S, Mexico.
| | - Jose L Ramírez-Arce
- Centro de Investigaciones Biológicas del Noroeste, S. C. (CIBNOR), La Paz, B.C.S, Mexico.
| | - Sebastien Artigaud
- University of Brest, CNRS, IRD, Ifremer, LEMAR, F-29280, Plouzane, France.
| | | | | | - M Teresa Sicard
- Centro de Investigaciones Biológicas del Noroeste, S. C. (CIBNOR), La Paz, B.C.S, Mexico.
| | - Marcial Arellano-Martínez
- Centro Interdisciplinario de Ciencias Marinas (CICIMAR), Instituto Politécnico Nacional (IPN), La Paz, B.C.S, Mexico.
| | - Ilie S Racotta
- Centro de Investigaciones Biológicas del Noroeste, S. C. (CIBNOR), La Paz, B.C.S, Mexico.
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Belivermiş M, Kılıç Ö, Gezginci-Oktayoglu S, Sezer N, Demiralp S, Şahin B, Dupont S. Physiological and gene expression responses of the mussel Mytilus galloprovincialis to low pH and low dissolved oxygen. MARINE POLLUTION BULLETIN 2023; 187:114602. [PMID: 36652859 DOI: 10.1016/j.marpolbul.2023.114602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/06/2023] [Accepted: 01/07/2023] [Indexed: 06/17/2023]
Abstract
The prevalence and frequency of hypoxia events have increased worldwide over the past decade as a consequence of global climate change and coastal biological oxygen depletions. On the other hand, anthropogenic emissions of CO2 and consequent accumulation in the sea surface result in a perturbation of the seawater carbonate system, including a decrease in pH, known as ocean acidification. While the effect of decreases in pH and dissolved oxygen (DO) concentration is better understood, their combined effects are still poorly resolved. Here, we exposed adult mussels (Mytilus galloprovincialis) to two pHs (8.27 and 7.63) and DO concentrations (7.65 and 2.75 mg L-1) over 17 days in a full-factorial design. These levels correspond to extremes of the present natural variability and are relevant in the context of ocean acidification and hypoxia. No mortality was observed during the experiment. However, sublethal effects were observed for clearance and oxygen consumption rates, as well as total haemocytes count and haemocytes viability and gene expression in mussels exposed to the combination of low pH and low DO. Respiration and excretion rates were not significantly impacted by low pH and DO, alone or in combination. Overall, low pH alone led to a decrease in all tested physiological parameters while low DO alone led to a decline in clearance rate, haemocyte parameters and an increase in carbohydrate content. Both parameters led to up- or down-regulation of most of the selected genes. Not surprisingly, the combined effect of low pH and low DO could not be predicted by a simple arithmetic additive response at the effect level, highlighting more complex and non-linear effects.
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Affiliation(s)
- Murat Belivermiş
- Department of Biology, Faculty of Science, Istanbul University, 34134 Vezneciler, Istanbul, Türkiye.
| | - Önder Kılıç
- Department of Biology, Faculty of Science, Istanbul University, 34134 Vezneciler, Istanbul, Türkiye
| | - Selda Gezginci-Oktayoglu
- Department of Biology, Faculty of Science, Istanbul University, 34134 Vezneciler, Istanbul, Türkiye
| | - Narin Sezer
- Head of Medical Services and Techniques Department, Medical Laboratory Techniques Program, Istanbul Arel University, 34295 Sefaköy, Istanbul, Türkiye
| | - Selcan Demiralp
- Institute of Graduate Studies in Sciences, Istanbul University, Suleymaniye, Istanbul, Türkiye
| | - Berna Şahin
- Institute of Graduate Studies in Sciences, Istanbul University, Suleymaniye, Istanbul, Türkiye
| | - Sam Dupont
- Department of Biological & Environmental Sciences, University of Gothenburg, 45178 Fiskebäckskil, Sweden; International Atomic Energy Agency, Environment Laboratories, 98000, Principality of Monaco, Monaco
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18
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Kotsyuba E, Dyachuk V. Role of the Neuroendocrine System of Marine Bivalves in Their Response to Hypoxia. Int J Mol Sci 2023; 24:ijms24021202. [PMID: 36674710 PMCID: PMC9865615 DOI: 10.3390/ijms24021202] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/28/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Mollusks comprise one of the largest phylum of marine invertebrates. With their great diversity of species, various degrees of mobility, and specific behavioral strategies, they haveoccupied marine, freshwater, and terrestrial habitats and play key roles in many ecosystems. This success is explained by their exceptional ability to tolerate a wide range of environmental stresses, such as hypoxia. Most marine bivalvemollusksare exposed to frequent short-term variations in oxygen levels in their marine or estuarine habitats. This stressfactor has caused them to develop a wide variety of adaptive strategies during their evolution, enabling to mobilize rapidly a set of behavioral, physiological, biochemical, and molecular defenses that re-establishing oxygen homeostasis. The neuroendocrine system and its related signaling systems play crucial roles in the regulation of various physiological and behavioral processes in mollusks and, hence, can affect hypoxiatolerance. Little effort has been made to identify the neurotransmitters and genes involved in oxygen homeostasis regulation, and the molecular basis of the differences in the regulatory mechanisms of hypoxia resistance in hypoxia-tolerant and hypoxia-sensitive bivalve species. Here, we summarize current knowledge about the involvement of the neuroendocrine system in the hypoxia stress response, and the possible contributions of various signaling molecules to this process. We thusprovide a basis for understanding the molecular mechanisms underlying hypoxic stress in bivalves, also making comparisons with data from related studies on other species.
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Moreira DC, Aurélio da Costa Tavares Sabino M, Minari M, Torres Brasil Kuzniewski F, Angelini R, Hermes-Lima M. The role of solar radiation and tidal emersion on oxidative stress and glutathione synthesis in mussels exposed to air. PeerJ 2023; 11:e15345. [PMID: 37193036 PMCID: PMC10183164 DOI: 10.7717/peerj.15345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 04/12/2023] [Indexed: 05/18/2023] Open
Abstract
Preparation for oxidative stress (POS) is a widespread adaptive response to harsh environmental conditions, whose hallmark is the upregulation of antioxidants. In contrast to controlled laboratory settings, animals are exposed to multiple abiotic stressors under natural field conditions. Still, the interplay between different environmental factors in modulating redox metabolism in natural settings remains largely unexplored. Here, we aim to shed light on this topic by assessing changes in redox metabolism in the mussel Brachidontes solisianus naturally exposed to a tidal cycle. We compared the redox biochemical response of mussels under six different natural conditions in the field along two consecutive days. These conditions differ in terms of chronology, immersion/emersion, and solar radiation, but not in terms of temperature. Animals were collected after being exposed to air early morning (7:30), immersed during late morning and afternoon (8:45-15:30), and then exposed to air again late afternoon towards evening (17:45-21:25), in two days. Whole body homogenates were used to measure the activity of antioxidant (catalase, glutathione transferase and glutathione reductase) and metabolic (glucose 6-phosphate dehydrogenase, malate dehydrogenase, isocitrate dehydrogenase and pyruvate kinase) enzymes, reduced (GSH) and disulfide (GSSG) glutathione levels, and oxidative stress markers (protein carbonyl and thiobarbituric acid reactive substances). Air and water temperature remained stable between 22.5 °C and 26 °C during both days. Global solar radiation (GSR) greatly differed between days, with a cumulative GSR of 15,381 kJ/m2 for day 1 and 5,489 kJ/m2 for day 2, whose peaks were 2,240 kJ/m2/h at 14:00 on day 1 and 952 kJ/m2/h at 12:00 on day 2. Compared with animals underwater, emersion during early morning did not elicit any alteration in redox biomarkers in both days. Air exposure for 4 h in the late afternoon towards evening caused oxidative damage to proteins and lipids and elicited GSH synthesis in animals that had been previously exposed to high GSR during the day. In the following day, when GSR was much lower, exposure to air under the same conditions (duration, time, and temperature) had no effect on any redox biomarker. These findings suggest that air exposure under low-intensity solar radiation is not sufficient to trigger POS in B. solisianus in its natural habitat. Thus, natural UV radiation is possibly a key environmental factor that combined to air exposure induces the POS-response to the stressful event of tidal variation in this coastal species.
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Affiliation(s)
- Daniel C. Moreira
- Department of Cell Biology, University of Brasilia, Brasilia, Brazil
- Faculty of Medicine, University of Brasilia, Brasilia, Brazil
| | | | - Marina Minari
- Department of Cell Biology, University of Brasilia, Brasilia, Brazil
| | | | - Ronaldo Angelini
- Department of Civil and Environmental Engineering, Federal University of Rio Grande do Norte, Natal, Brazil
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Li J, Liu S, Zhang Y, Huang Q, Zhang H, OuYang J, Mao F, Fan H, Yi W, Dong M, Xu A, Huang S. Two novel mollusk short-form ApeC-containing proteins act as pattern recognition proteins for peptidoglycan. Front Immunol 2022; 13:971883. [PMID: 36275759 PMCID: PMC9585378 DOI: 10.3389/fimmu.2022.971883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 09/08/2022] [Indexed: 11/18/2022] Open
Abstract
The Apextrin C-terminal (ApeC) domain is a new protein domain largely specific to aquatic invertebrates. In amphioxus, a short-form ApeC-containing protein (ACP) family is capable of binding peptidoglycan (PGN) and agglutinating bacteria via its ApeC domain. However, the functions of ApeC in other phyla remain unknown. Here we examined 130 ACPs from gastropods and bivalves, the first and second biggest mollusk classes. They were classified into nine groups based on their phylogenetics and architectures, including three groups of short-form ACPs, one group of apextrins and two groups of ACPs of complex architectures. No groups have orthologs in other phyla and only four groups have members in both gastropods and bivalves, suggesting that mollusk ACPs are highly diversified. We selected one bivalve ACP (CgACP1; from the oyster Crossostrea gigas) and one gastropod ACP (BgACP1; from the snail Biomphalaria glabrata) for functional experiments. Both are highly-expressed, secreted short-form ACPs and hence comparable to the amphioxus ACPs previously reported. We found that recombinant CgACP1 and BgACP1 bound with yeasts and several bacteria with different affinities. They also agglutinated these microbes, but showed no inhibiting or killing effects. Further analyses show that both ACPs had high affinities to the Lys-type PGN from S. aureus but weak or no affinities to the DAP-type PGN from Bacillus subtilis. Both recombinant ACPs displayed weak or no affinities to other microbial cell wall components, including lipopolysaccharide (LPS), lipoteichoic acid (LTA), zymosan A, chitin, chitosan and cellulose, as well as to several PGN moieties, including muramyl dipeptide (MDP), N-acetylglucosamine (GlcNAc) and N-acetylmuramic acid (MurNAc). Besides, CgACP1 had the highest expression in the gill and could be greatly up-regulated quickly after bacterial challenge. This is reminiscent of the amphioxus ACP1/2 which serve as essential mucus lectins in the gill. Taken together, the current findings from mollusk and amphioxus ACPs suggest several basic common traits for the ApeC domains, including the high affinity to Lys-type PGN, the bacterial binding and agglutinating capacity, and the role as mucus proteins to protect the mucosal surface.
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Affiliation(s)
- Jin Li
- Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Shumin Liu
- Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Yang Zhang
- Chinese Academy of Sciences Key Laboratory of Tropical Marine Bio-Resources and Ecology and Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
| | - Qiuyun Huang
- Chinese Academy of Sciences Key Laboratory of Tropical Marine Bio-Resources and Ecology and Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
| | - Hao Zhang
- Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Jihua OuYang
- Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Fan Mao
- Chinese Academy of Sciences Key Laboratory of Tropical Marine Bio-Resources and Ecology and Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
| | - Huiping Fan
- Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Wenjie Yi
- Chinese Academy of Sciences Key Laboratory of Tropical Marine Bio-Resources and Ecology and Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
| | - Meiling Dong
- Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Anlong Xu
- Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Anlong Xu, ; Shengfeng Huang,
| | - Shengfeng Huang
- Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
- *Correspondence: Anlong Xu, ; Shengfeng Huang,
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Niu Y, Zhang X, Xu T, Li X, Zhang H, Wu A, Storey KB, Chen Q. Physiological and Biochemical Adaptations to High Altitude in Tibetan Frogs, Nanorana parkeri. Front Physiol 2022; 13:942037. [PMID: 35874536 PMCID: PMC9298763 DOI: 10.3389/fphys.2022.942037] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 06/20/2022] [Indexed: 11/29/2022] Open
Abstract
The Xizang plateau frog, N. parkeri (Anura: Dicroglossidae), is endemic to the Tibetan Plateau, ranging from 2,850 to 5,100 m above sea level. The present study explores physiological and biochemical adaptations to high altitude in this species with a particular emphasis on parameters of hematology, oxidative stress, and antioxidant defense in adult and juvenile N. parkeri collected from high (4,600 m a.s.l) and low (3,400 m a.s.l) altitudes. Hematological results showed that hemoglobin concentration ([Hb]), hematocrit (Hct), and red blood cell (RBC) counts were significantly higher in high-altitude N. parkeri. High-altitude juveniles had lower RBC sizes than low-altitude juveniles. Higher levels of GSH and GSSG were indicated only in juveniles from high altitude, not in adults. High-altitude individuals also showed lower oxidative damage, assessed as malondialdehyde (MDA) and carbonyl groups (CG) in the liver. High-altitude adults also showed higher activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPX), and glutathione-S-transferase (GST) as well as total antioxidant capacity (T-AOC) in the liver as compared to low-altitude adults. Moreover, higher GPX activity and T-AOC were observed in the heart and brain of high-altitude adults. Liver CAT, GPX, and T-AOC showed significant increases in high-altitude juveniles. Vitamin C content was also higher in the heart of high-altitude frogs compared to low-altitude individuals. In summary, the high-altitude population of N. parkeri showed more robust hematological parameters, less oxidative damage, and stronger antioxidant defenses than the low-altitude population, all contributing to increased protection for survival in high-altitude environments.
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Affiliation(s)
- Yonggang Niu
- Department of Life Sciences, Dezhou University, Dezhou, China
| | - Xuejing Zhang
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Tisen Xu
- Department of Life Sciences, Dezhou University, Dezhou, China
| | - Xiangyong Li
- Department of Life Sciences, Dezhou University, Dezhou, China
| | - Haiying Zhang
- Department of Life Sciences, Dezhou University, Dezhou, China
| | - Anran Wu
- Department of Life Sciences, Dezhou University, Dezhou, China
| | | | - Qiang Chen
- School of Life Sciences, Lanzhou University, Lanzhou, China
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22
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Effect of Air Exposure-Induced Hypoxia on Neurotransmitters and Neurotransmission Enzymes in Ganglia of the Scallop Azumapecten farreri. Int J Mol Sci 2022; 23:ijms23042027. [PMID: 35216143 PMCID: PMC8878441 DOI: 10.3390/ijms23042027] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/09/2022] [Accepted: 02/09/2022] [Indexed: 02/04/2023] Open
Abstract
The nervous system expresses neuromolecules that play a crucial role in regulating physiological processes. Neuromolecule synthesis can be regulated by oxygen-dependent enzymes. Bivalves are a convenient model for studying air exposure-induced hypoxia. Here, we studied the effects of hypoxia on the expression and dynamics of neurotransmitters, and on neurotransmitter enzyme distribution, in the central nervous system (CNS) of the scallop Azumapecten farreri. We analyzed the expression of the neurotransmitters FMRFamide and serotonin (5-HT) and the choline acetyltransferase (CHAT) and universal NO-synthase (uNOS) enzymes during air exposure-induced hypoxia. We found that, in early-stage hypoxia, total serotonin content decreased in some CNS regions but increased in others. CHAT-lir cell numbers increased in all ganglia after hypoxia; CHAT probably appears de novo in accessory ganglia. Short-term hypoxia caused increased uNOS-lir cell numbers, while long-term exposure led to a reduction in their number. Thus, hypoxia weakly influences the number of FMRFamide-lir neurons in the visceral ganglion and does not affect peptide expression in the pedal ganglion. Ultimately, we found that the localization and level of synthesis of neuromolecules, and the numbers of cells expressing these molecules, vary in the scallop CNS during hypoxia exposure. This indicates their possible involvement in hypoxia resistance mechanisms.
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Tan J, Wang X, Wang L, Zhou X, Liu C, Ge J, Bian L, Chen S. Transcriptomic responses to air exposure stress in coelomocytes of the sea cucumber, Apostichopus japonicus. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2022; 42:100963. [PMID: 35131601 DOI: 10.1016/j.cbd.2022.100963] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 12/30/2021] [Accepted: 01/17/2022] [Indexed: 12/12/2022]
Abstract
During rearing in hatcheries and transportation to restocking sites, sea cucumbers are often exposed to air for several hours, which may depress their non-specific immunity and lead to mass mortality. We performed transcriptome analysis of Apostichopus japonicus coelomocytes after air exposure to identify stress-related genes and pathways. After exposure to air for 1 h, individuals were re-submerged in aerated seawater and coelomocytes were collected at 0, 1, 4, and 16 h (B, H1, H4, and H16, respectively). We identified 6148 differentially expressed genes, of which 3216 were upregulated and 2932 were downregulated. Many genes involved in the immune response, antioxidant defense, and apoptosis were highly induced in response to air exposure. Enrichment analysis of Gene Ontology terms showed that the most abundant terms in the biological process category were oxidation-reduction process, protein folding and phosphorylation, and receptor-mediated endocytosis for the comparison of H1 vs. B, H4 vs. H1, and H16 vs. H4, respectively. Kyoto Eecyclopedia of Genes and Genomes enrichment analysis showed that six pathways related to the metabolism of proteins, fats, and carbohydrates were shared among the three comparisons. These results indicated that sea cucumbers regulate the expression of genes related to the antioxidant system and energy metabolism to resist the negative effects of air exposure stress. These findings may be applied to optimize juvenile sea cucumber production, and facilitate molecular marker-assisted selective breeding of an anoxia-resistant strain.
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Affiliation(s)
- Jie Tan
- Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
| | - Xuejiang Wang
- Wuzhoufeng Agricultural Science and Technology Co., LTD, Yantai 264000, China.
| | - Liang Wang
- Yantai Marine Economic Research Institute, Yantai 264003, China.
| | - Xiaoqun Zhou
- Yantai Marine Economic Research Institute, Yantai 264003, China
| | - Changlin Liu
- Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
| | - Jianlong Ge
- Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
| | - Li Bian
- Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
| | - Siqing Chen
- Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
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Boutet I, Lacroix C, Devin S, Tanguy A, Moraga D, Auffret M. Does the environmental history of mussels have an effect on the physiological response to additional stress under experimental conditions? THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:149925. [PMID: 34555605 DOI: 10.1016/j.scitotenv.2021.149925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/11/2021] [Accepted: 08/22/2021] [Indexed: 06/13/2023]
Abstract
Expected effects on marine biota of the ongoing elevation of water temperature and high latitudes is of major concern when considering the reliability of coastal ecosystem production. To compare the capacity of coastal organisms to cope with a temperature increase depending on their environmental history, responses of adult blue mussels (Mytilus spp.) taken from two sites differentially exposed to chemical pollution were investigated during an experimental exposure to a thermal stress. Immune parameters were notably altered by extreme warming and transcriptional changes for a broad selection of genes were associated to the temperature increase following a two-step response pattern. Site-specific responses suggested an influence of environmental history and support the possibility of a genetic basis in the physiological response. However no meaningful difference was detected between the response of hybrids and M galloprovincialis. This study brings new information about the capacity of mussels to cope with the ongoing elevation of water temperature in these coastal ecosystems.
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Affiliation(s)
- Isabelle Boutet
- Station Biologique de Roscoff, Laboratoire Adaptation et Diversité en Milieu Marin (UMR 7144 AD2M CNRS-Sorbonne Université), Place Georges Tessier, 29680 Roscoff, France
| | - Camille Lacroix
- Institut Universitaire Européen de la Mer, Laboratoire de Sciences de l'Environnement Marin (UMR 6539 LEMAR CNRS-UBO-IFREMER-IRD), Technopôle Brest-Iroise, 29280 Plouzané, France; CEDRE Conseil et Expertise en Pollutions Accidentelles des Eaux, 715 Rue Alain Colas, CS 41836, 29218 Brest Cedex 2, France
| | - Simon Devin
- Laboratoire Interdisciplinaire des Environnements Continentaux (UMR 7360 LIEC CNRS-Université de Lorraine), 8 rue du Général Delestraint, 57070 Metz. France
| | - Arnaud Tanguy
- Station Biologique de Roscoff, Laboratoire Adaptation et Diversité en Milieu Marin (UMR 7144 AD2M CNRS-Sorbonne Université), Place Georges Tessier, 29680 Roscoff, France
| | - Dario Moraga
- Institut Universitaire Européen de la Mer, Laboratoire de Sciences de l'Environnement Marin (UMR 6539 LEMAR CNRS-UBO-IFREMER-IRD), Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Michel Auffret
- Institut Universitaire Européen de la Mer, Laboratoire de Sciences de l'Environnement Marin (UMR 6539 LEMAR CNRS-UBO-IFREMER-IRD), Technopôle Brest-Iroise, 29280 Plouzané, France.
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de la Ballina NR, Villalba A, Cao A. Shotgun analysis to identify differences in protein expression between granulocytes and hyalinocytes of the European flat oyster Ostrea edulis. FISH & SHELLFISH IMMUNOLOGY 2021; 119:678-691. [PMID: 34748932 DOI: 10.1016/j.fsi.2021.10.045] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 10/19/2021] [Accepted: 10/31/2021] [Indexed: 06/13/2023]
Abstract
Recovery of wild populations of the European flat oyster Ostrea edulis is important for ecosystem health and conservation of this species, because native oyster populations have dramatically declined or disappeared in most European waters. Diseases have contributed to oyster decline and are important constrains for oyster recovery. Understanding oyster immune system should contribute to design effective strategies to fight oyster diseases. Haemocytes play a pivotal role in mollusc immune responses protecting from infection. Two main types of haemocytes, granulocytes and hyalinocytes, are distinguished in O. edulis. A study aiming to explore differential functions between both haemocyte types and, thus, to enrich the knowledge of Ostrea edulis immune system, was performed by comparing the proteome of the two haemolymph cell types, using a shotgun approach through liquid chromatography (LC) coupled to mass spectrometry (MS). Cells from oyster haemolymph were differentially separated by Percoll density gradient centrifugation. Shotgun LC-MS/MS performance allowed the identification of 145 proteins in hyalinocytes and 138 in the proteome of granulocytes. After a comparative analysis, 55 proteins with main roles in defence were identified, from which 28 were representative of granulocytes and 27 of hyalinocytes, plus 11 proteins shared by both cell types. Different proteins involved in signal transduction, apoptosis, oxidative response, processes related with the cytoskeleton and structure, recognition and wound healing were identified as representatives of each haemocyte type. Important signalling pathways in the immune response such as MAPK, Ras and NF-κβ seemed to be more relevant for granulocytes, while the Wnt signalling pathway, particularly relevant for wound healing, more relevant in hyalinocytes. The differences in proteins involved in recognition and in cytoskeleton and structure suggest differential specialisation in processes of phagocytosis and internalisation of pathogens between haemocyte types. Apoptosis seemed more active in granulocytes. The differences in proteins involved in oxidative response also suggest different redox processes in each cell type.
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Affiliation(s)
- Nuria R de la Ballina
- Centro de Investigacións Mariñas (CIMA), Consellería do Mar, Xunta de Galicia, 36620, Vilanova de Arousa, Spain
| | - Antonio Villalba
- Centro de Investigacións Mariñas (CIMA), Consellería do Mar, Xunta de Galicia, 36620, Vilanova de Arousa, Spain; Departamento de Ciencias de la Vida, Universidad de Alcalá, 28871, Alcalá de Henares, Spain; Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/EHU), 48620, Plentzia, Spain.
| | - Asunción Cao
- Centro de Investigacións Mariñas (CIMA), Consellería do Mar, Xunta de Galicia, 36620, Vilanova de Arousa, Spain
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Li J, Li Y, Fan Z, Chen S, Yan X, Yue Z, Huang G, Liu S, Zhang H, Chen S, Dong M, Xu A, Huang S. Two Amphioxus ApeC-Containing Proteins Bind to Microbes and Inhibit the TRAF6 Pathway. Front Immunol 2021; 12:715245. [PMID: 34394119 PMCID: PMC8361754 DOI: 10.3389/fimmu.2021.715245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 07/12/2021] [Indexed: 11/13/2022] Open
Abstract
The apextrin C-terminal (ApeC) domain is a class of newly discovered protein domains with an origin dating back to prokaryotes. ApeC-containing proteins (ACPs) have been found in various marine and aquatic invertebrates, but their functions and the underlying mechanisms are largely unknown. Early studies suggested that amphioxus ACP1 and ACP2 bind to bacterial cell walls and have a role in immunity. Here we identified another two amphioxus ACPs (ACP3 and ACP5), which belong to the same phylogenetic clade with ACP1/2, but show distinct expression patterns and sequence divergence (40-50% sequence identities). Both ACP3 and ACP5 were mainly expressed in the intestine and hepatic cecum, and could be up-regulated after bacterial challenge. Both prokaryotic-expressed recombinant ACP3 and ACP5 could bind with several species of bacteria and yeasts, showing agglutinating activity but no microbicidal activity. ELISA assays suggested that their ApeC domains could interact with peptidoglycan (PGN), but not with lipoteichoic acid (LTA), lipopolysaccharides (LPS) and zymosan A. Furthermore, they can only bind to Lys-type PGN from Staphylococcus aureus, but not to DAP-type PGN from Bacillus subtilis and not to moieties of PGN such as MDPs, NAMs and NAGs. This recognition spectrum is different from that of ACP1/2. We also found that when expressed in mammalian cells, ACP3 could interact with TRAF6 via a conserved non-ApeC region, which inhibited the ubiquitination of TRAF6 and hence suppressed downstream NF-κB activation. This work helped define a novel subfamily of ACPs, which have conserved structures, and have related yet diversified molecular functions. Its members have dual roles, with ApeC as a lectin and a conserved unknown region as a signal transduction regulator. These findings expand our understanding of the ACP functions and may guide future research on the role of ACPs in different animal clades.
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Affiliation(s)
- Jin Li
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China.,Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Yuhui Li
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China.,Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Zhaoyu Fan
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Shenghui Chen
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Xinyu Yan
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Zirui Yue
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Guangrui Huang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Shumin Liu
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Hao Zhang
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Shangwu Chen
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Meiling Dong
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Anlong Xu
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China.,School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Shengfeng Huang
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China.,Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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Wang Y, Zheng Y, Dong J, Zhang X. Two-sided effects of prolonged hypoxia and sulfide exposure on juvenile ark shells (Anadara broughtonii). MARINE ENVIRONMENTAL RESEARCH 2021; 169:105326. [PMID: 33848850 DOI: 10.1016/j.marenvres.2021.105326] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 03/25/2021] [Accepted: 04/01/2021] [Indexed: 06/12/2023]
Abstract
Oxygen deficit and sulfide have been restrictive factors in mariculture zones. However, the adaptive mechanism in aquatic lives is still unclear. The commercial ark shells Anadara broughtonii were selected to test the tolerance and adaptive responses to prolonged and intermittent hypoxia with or without exogenous sulfide (mild, moderate, high) by evaluating their behavior, mortality, oxidative level, antioxidant responses, and the MAPK-mediated apoptosis in gills. The results indicated that the clams were tolerant to hypoxia and sulfide exposure but vulnerable during reoxygenation from the challenges. Even so, sulfide had remarkable effect on attenuating the accumulation of reactive oxygen species (ROS) and lipid peroxides caused by reoxygenation from prolonged hypoxia. The increase of glutathione level was probably as an early and primary protective response to prevent the expected reperfusion injury from reoxygenation. The challenges suppressed the oxidative level with a dose-dependent effect of sulfide, with an exception when exposed to mild sulfide. Synchronously, biphasic effects of exogenous sulfide on apoptotic cascade, which was induced by mild sulfide while it was inhibited by higher sulfide, were also detected in gills. The induced or inhibited apoptosis by hypoxia and sulfide kept to a typical ROS-MAPK-CASPASE cascade, desiderating further investigation.
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Affiliation(s)
- Yihang Wang
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Yingqiu Zheng
- Fishery College, Ocean University of China, Qingdao 266003, China
| | - Jianyu Dong
- Fishery College, Ocean University of China, Qingdao 266003, China
| | - Xiumei Zhang
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
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28
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Bultelle F, Boutet I, Devin S, Caza F, St-Pierre Y, Péden R, Brousseau P, Chan P, Vaudry D, Le Foll F, Fournier M, Auffret M, Rocher B. Molecular response of a sub-antarctic population of the blue mussel (Mytilus edulis platensis) to a moderate thermal stress. MARINE ENVIRONMENTAL RESEARCH 2021; 169:105393. [PMID: 34217095 DOI: 10.1016/j.marenvres.2021.105393] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 06/08/2021] [Accepted: 06/14/2021] [Indexed: 06/13/2023]
Abstract
The Kerguelen Islands (49°26'S, 69°50'E) represent a unique environment due to their geographical isolation, which protects them from anthropogenic pollution. The ability of the endemic mussel, part of the Mytilus complex, to cope with moderate heat stress was explored using omic tools. Transcripts involved in six major metabolic functions were selected and the qRT-PCR data indicated mainly changes in aerobic and anaerobic energy metabolism and stress response. Proteomic comparisons revealed a typical stress response pattern with cytoskeleton modifications and elements suggesting increased energy metabolism. Results also suggest conservation of protein homeostasis by the long-lasting presence of HSP while a general decrease in transcription is observed. The overall findings are consistent with an adaptive response to moderate stresses in mussels in good physiological condition, i.e. living in a low-impact site, and with the literature concerning this model species. Therefore, local blue mussels could be advantageously integrated into biomonitoring strategies, especially in the context of Global Change.
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Affiliation(s)
- F Bultelle
- UMR-I 02 INERIS-URCA-ULH SEBIO / Environmental Stresses and Biomonitoring of Aquatic Ecosystems, FR CNRS 3730 Scale, Université Le Havre Normandie, F-76063, Le Havre Cedex, France.
| | - I Boutet
- Station Biologique de Roscoff CNRS, Laboratory Adaptation & Diversity in Marine Environment (UMR7144 CNRS-SU), Sorbonne Université, Roscoff, France.
| | - S Devin
- UMR 7360 LIEC, Université Metz-Lorraine, France.
| | - F Caza
- INRS-Institut Armand-Frappier, 531 Boul. des Prairies, Laval, Québec, H7V 1B7, Canada.
| | - Y St-Pierre
- INRS-Institut Armand-Frappier, 531 Boul. des Prairies, Laval, Québec, H7V 1B7, Canada.
| | - R Péden
- UMR-I 02 INERIS-URCA-ULH SEBIO / Environmental Stresses and Biomonitoring of Aquatic Ecosystems, FR CNRS 3730 Scale, Université Le Havre Normandie, F-76063, Le Havre Cedex, France; UMR-I 02 INERIS-URCA-ULH SEBIO / Environmental Stresses and Biomonitoring of Aquatic Ecosystems, Université de REIMS Champagne-Ardenne, Campus Moulin de la Housse, 51687, Reims, France.
| | - P Brousseau
- Institut des Sciences de la mer, Le Parc de la rivière Mitis, Sainte-Flavie, Québec, G0J 2L0, Canada.
| | - P Chan
- Normandie Univ, UNIROUEN, Plateforme PISSARO, IRIB, 76821, Mont-Saint-Aignan, France.
| | - D Vaudry
- Normandie Univ, UNIROUEN, Plateforme PISSARO, IRIB, 76821, Mont-Saint-Aignan, France; Normandie Univ, UNIROUEN, INSERM U1239 DC2N, 76821, Mont-Saint-Aignan, France.
| | - F Le Foll
- UMR-I 02 INERIS-URCA-ULH SEBIO / Environmental Stresses and Biomonitoring of Aquatic Ecosystems, FR CNRS 3730 Scale, Université Le Havre Normandie, F-76063, Le Havre Cedex, France.
| | - M Fournier
- Institut des Sciences de la mer, Le Parc de la rivière Mitis, Sainte-Flavie, Québec, G0J 2L0, Canada.
| | - M Auffret
- UMR CNRS 6539-LEMAR/ Laboratoire des Sciences de l'Environnement Marin, Technopôle Brest-Iroise, 29280, Plouzané, France.
| | - B Rocher
- UMR-I 02 INERIS-URCA-ULH SEBIO / Environmental Stresses and Biomonitoring of Aquatic Ecosystems, FR CNRS 3730 Scale, Université Le Havre Normandie, F-76063, Le Havre Cedex, France.
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29
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Tisca JF, Dos Santos K, Pessati TB, Zacchi FL, Soares FS, Oliveira VA, Bebianno MJAF, Bainy ACD, Razzera G. Characterization of a fatty acid-binding protein from the Pacific oyster (Crassostrea gigas): pharmaceutical and toxicological implications. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:27811-27822. [PMID: 33517529 DOI: 10.1007/s11356-021-12645-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 01/20/2021] [Indexed: 06/12/2023]
Abstract
Pharmaceuticals and their metabolites constitute a class of xenobiotics commonly found in aquatic environments which may cause toxic effects in aquatic organisms. Several different lipophilic molecules, including some pharmaceuticals, can bind to fatty acid-binding proteins (FABPs), a group of evolutionarily related cytoplasmic proteins that belong to the intracellular lipid-binding protein (iLBP) family. An oyster FABP genome-wide investigation was not available until a recent study on gene organization, protein structure, and phylogeny of Crassostrea gigas iLBPs. Higher transcript levels of the C. gigas FABP2 gene were found after exposure to sewage and pharmaceuticals. Because of its relevance as a potential biomarker of aquatic contamination, in this study, recombinant FABP2 from C. gigas (CgFABP2) was successfully cloned, expressed, and purified, and in vitro and in silico assays were performed using lipids and pharmaceuticals. This is the first characterization of a protein from the iLBP family in C. gigas. Homology modeling and molecular docking were used to evaluate the binding affinities of natural ligands (palmitic, oleic, and arachidonic acids) and pharmaceuticals (ibuprofen, sodium diclofenac, and acetaminophen). Among the tested fatty acids, CgFABP2 showed preference for palmitic acid. The selected pharmaceuticals presented a biphasic-binding mode, suggesting a different binding affinity with a preference for diclofenac. Therefore, the approach using circular dichroism and in silico data might be useful for ligand-binding screening in an invertebrate model organism.
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Affiliation(s)
- Juliana F Tisca
- Programa de Pós-Graduação em Bioquímica, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
- Laboratório de Biomarcadores de Contaminação Aquática e Imunoquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Karin Dos Santos
- Laboratório de Biomarcadores de Contaminação Aquática e Imunoquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
- Núcleo de Bioinformática e Biologia Computacional da UFSC - NuBioinfo, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Tomás B Pessati
- Programa de Pós-Graduação em Bioquímica, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
- Laboratório de Biomarcadores de Contaminação Aquática e Imunoquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Flávia L Zacchi
- Programa de Pós-Graduação em Bioquímica, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
- Laboratório de Biomarcadores de Contaminação Aquática e Imunoquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Fabíola S Soares
- Laboratório de Biomarcadores de Contaminação Aquática e Imunoquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Vanessa A Oliveira
- Centro de Biologia Molecular Estrutural, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Maria J A F Bebianno
- Centre for Marine and Environmental Research, CIMA, University of Algarve, Campus de Gambelas, 8000-139, Faro, Portugal
| | - Afonso C D Bainy
- Programa de Pós-Graduação em Bioquímica, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil.
- Laboratório de Biomarcadores de Contaminação Aquática e Imunoquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil.
| | - Guilherme Razzera
- Programa de Pós-Graduação em Bioquímica, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil.
- Laboratório de Biomarcadores de Contaminação Aquática e Imunoquímica, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil.
- Núcleo de Bioinformática e Biologia Computacional da UFSC - NuBioinfo, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil.
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30
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Differential gene expression indicates modulated responses to chronic and intermittent hypoxia in corallivorous fireworms (Hermodice carunculata). Sci Rep 2021; 11:11110. [PMID: 34045547 PMCID: PMC8160350 DOI: 10.1038/s41598-021-90540-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 04/27/2021] [Indexed: 02/04/2023] Open
Abstract
Climate models predict an increase in extent, frequency, and duration of marine hypoxia events in the twenty first century. A better understanding of organismal responses to hypoxia in individual species is a crucial step for predicting ecosystem responses. We experimentally subjected a common invertebrate, the bearded fireworm (Hermodice carunculata) to two levels of chronic hypoxia and, in a separate experiment, to intermittent hypoxia. We found components of the conserved hypoxia-inducible factor (HIF) pathway and show a modulated response to hypoxia depending on the severity of hypoxic stress: under mild hypoxia, only the HIF-1α subunit is upregulated, while expression of the other subunit, aryl hydrocarbon nuclear translator, only increases significantly at more severe hypoxia levels. The chronic trials revealed down-regulation of genes related to cell adhesion, transport, development and heme-binding, and up-regulation of genes related to glycolysis, oxygen binding, cell differentiation, digestive and reproductive function. The intermittent hypoxia trials revealed an upregulation of heme transporter activity during hypoxia, and our time series analysis characterized nine clusters of genes with similar expression patterns. Our findings suggest that H. carunculata is likely to tolerate, and be resilient to, predicted future hypoxia conditions.
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31
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Yusseppone M, Noya Abad T, Risoli M, Sabatini S, Ríos de Molina M, Lomovasky B. Biochemical adaptations of the stout razor clam ( Tagelus plebeius) to changes in oxygen availability: resilience in a changing world? CAN J ZOOL 2021. [DOI: 10.1139/cjz-2020-0115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Climate change is producing sea level rise and deoxygenation of the ocean, altering estuaries and coastal areas. Changes in oxygen availability are expected to have consequences on the physiological fitness of intertidal species. In this work we analyze the coping response of the intertidal stout razor clam (Tagelus plebeius (Lightfoot, 1786)) to extreme environmental changes in oxygen concentration. Their biochemical responses to normoxia, hypoxia, and hyperoxia transition at different intertidal level (low–high) were measured through an in situ transplant experiment. The high intertidal level negatively affected the analyzed traits of the T. plebeius populations. The differences in reactive oxygen species production, total oxyradical scavenger capacities, and catalase activity also suggested more stressful conditions at the high level where long-term hypoxia periods occur. Both hypoxia and re-oxygenation provoked re-adjustments in the antioxidant responses and higher lipid oxidative damage (normoxia < hypoxia < re-oxygenation). The observed responses in transplanted clams at the opposite intertidal level suggested the potential acclimation of T. plebeius to cope with new environmental conditions. These findings are discussed within a global changing context where both increasing deoxygenation conditions and sea level rise are predicted to be exacerbated in the area driven by climate change.
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Affiliation(s)
- M.S. Yusseppone
- Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata (UNMDP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rodríguez Peña 4046 Nivel 1, CC 1260 (7600), Mar del Plata, Argentina
| | - T. Noya Abad
- Centro de Ciencias Naturales, Ambientales y Antropológicas (CCNAA), Universidad Maimónides, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Hidalgo 775, C1405BCK, Ciudad Autónoma de Buenos Aires, Argentina
| | - M.C. Risoli
- Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata (UNMDP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rodríguez Peña 4046 Nivel 1, CC 1260 (7600), Mar del Plata, Argentina
| | - S.E. Sabatini
- Instituto de Química Biológica (IQUIBICEN), Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Pabellón II, Intendente Guiraldes 2160, C1428EHA, Ciudad Autónoma de Buenos Aires, Argentina
| | - M.C. Ríos de Molina
- Instituto de Química Biológica (IQUIBICEN), Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Pabellón II, Intendente Guiraldes 2160, C1428EHA, Ciudad Autónoma de Buenos Aires, Argentina
| | - B.J. Lomovasky
- Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata (UNMDP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rodríguez Peña 4046 Nivel 1, CC 1260 (7600), Mar del Plata, Argentina
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32
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Oxygen consumption during and post-hypoxia exposure in bearded fireworms (Annelida: Amphinomidae). J Comp Physiol B 2020; 190:681-689. [PMID: 32960287 DOI: 10.1007/s00360-020-01308-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 08/10/2020] [Accepted: 09/09/2020] [Indexed: 10/23/2022]
Abstract
Oxygen is necessary for all marine animals to support metabolic functions. When chronic low dissolved oxygen (DO) conditions occur, organisms must adjust to overcome this stressor's effect on metabolic rates. The bearded fireworm, Hermodice carunculata, is a widespread species frequently exposed to hypoxic conditions in areas within its broad distribution which may impact metabolism, wound healing, and regeneration. To study the impact of hypoxia on their metabolic rates, we exposed fireworms to two levels of lower than normal DO conditions (low 2.5 ± 0.25 mg O2 L-1 and mid 4.5 ± 0.25 mg O2 L-1) for 7 days by pumping nitrogen into their holding tanks. During a chronic hypoxia trial, we quantified oxygen consumption in each experimental group and subsequently determined post-hypoxia oxygen consumption of individuals from the lowest oxygen level. During the hypoxic exposure, the oxygen uptake rates declined in low and mid DO conditions, while remaining relatively constant for the normoxic (7.0 ± 0.25 mg O2 L-1) control. We then compared the oxygen consumption rates from the lowest DO condition to fireworms likely never exposed to hypoxia and fireworms from a location likely to be exposed to hypoxia. We found higher oxygen consumption rates in the experimentally hypoxia-exposed worms. These results suggest prolonged negative impacts of hypoxic exposure, leading to a lasting elevation of metabolic rates of these marine invertebrates. The increase in metabolic rates may lead to increased predation on their prey of choice, economically and commercially important coral, causing increased degradation of already threatened coral reef ecosystems.
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Boyle S, Kakouli-Duarte T. Differential gene expression in the insect pathogen Steinernema feltiae in response to chromium VI exposure in contaminated host cadavers. Comput Biol Chem 2020; 88:107331. [PMID: 32781309 DOI: 10.1016/j.compbiolchem.2020.107331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 06/03/2020] [Accepted: 07/15/2020] [Indexed: 11/25/2022]
Affiliation(s)
- Stephen Boyle
- enviroCORE, Molecular Ecology and Nematode Research Group, Department of Science and Health, Institute of Technology Carlow, Kilkenny Road, Carlow, Ireland.
| | - Thomais Kakouli-Duarte
- enviroCORE, Molecular Ecology and Nematode Research Group, Department of Science and Health, Institute of Technology Carlow, Kilkenny Road, Carlow, Ireland
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34
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Belivermiş M, Swarzenski PW, Oberhänsli F, Melvin SD, Metian M. Effects of variable deoxygenation on trace element bioaccumulation and resulting metabolome profiles in the blue mussel (Mytilus edulis). CHEMOSPHERE 2020; 250:126314. [PMID: 32234623 DOI: 10.1016/j.chemosphere.2020.126314] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 02/21/2020] [Accepted: 02/22/2020] [Indexed: 06/11/2023]
Abstract
The dissolved oxygen concentration of the world's oceans has systematically declined by 2% over the past 50 years, and there has been a notable commensurate expansion of the global oxygen minimum zones (OMZs). Such wide-scale ocean deoxygenation affects the distribution of biological communities, impacts the physiology of organisms that may affect their capacity to absorb and process contaminants. Therefore, the bioaccumulation efficiencies of three contrasting radionuclides, 110mAg, 134Cs and 65Zn were investigated using controlled aquaria in the blue mussel Mytilus edulis under three contrasting dissolved oxygen regimes: normoxic; 7.14 mg L-1, reduced oxygen; 3.57 mg L-1 and hypoxic 1.78 mg L-1 conditions. Results indicated that hypoxic conditions diminished 110mAg uptake in the mussel, whereas depuration rates were not affected. Similarly, hypoxia appeared to cause a decrease in the 65Zn bioaccumulation rate, as evidenced by both weakened uptake and rapid elimination rates. Effects of hypoxia on the metabolome of mussels were also explored by untargeted Nuclear Magnetic Resonance (NMR) spectroscopic methods. The metabolic response was characterised by significantly greater abundance of several amino acids, amino sulfonic acids, dicarboxylic acids, carbohydrates and other metabolites in the lowest oxygen treatment, as compared to the higher oxygen treatments. Clearance rates significantly dropped in hypoxic conditions compared to normoxia. Results suggest that hypoxic conditions, and even partly moderate hypoxia, alter ventilation, an-aerobic, oxidative and osmoregulation metabolism of this mussel, which may further influence the trace element bioaccumulation capacity.
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Affiliation(s)
- Murat Belivermiş
- Department of Biology, Faculty of Science, Istanbul University, 34134, Vezneciler, Istanbul, Turkey; International Atomic Energy Agency, Environment Laboratories, 4a Quai Antoine 1er, MC-98000, Principality of Monaco, 98000, Monaco.
| | - Peter W Swarzenski
- International Atomic Energy Agency, Environment Laboratories, 4a Quai Antoine 1er, MC-98000, Principality of Monaco, 98000, Monaco
| | - François Oberhänsli
- International Atomic Energy Agency, Environment Laboratories, 4a Quai Antoine 1er, MC-98000, Principality of Monaco, 98000, Monaco
| | - Steven D Melvin
- Australian Rivers Institute, School of Environment and Science, Griffith University, Southport, Queensland, 4215, Australia
| | - Marc Metian
- International Atomic Energy Agency, Environment Laboratories, 4a Quai Antoine 1er, MC-98000, Principality of Monaco, 98000, Monaco.
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35
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Nie H, Wang H, Jiang K, Yan X. Transcriptome analysis reveals differential immune related genes expression in Ruditapes philippinarum under hypoxia stress: potential HIF and NF-κB crosstalk in immune responses in clam. BMC Genomics 2020; 21:318. [PMID: 32326883 PMCID: PMC7181582 DOI: 10.1186/s12864-020-6734-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Accepted: 04/14/2020] [Indexed: 12/21/2022] Open
Abstract
Background Hypoxia is an important environmental stressor in aquatic ecosystems, with increasingly impacts on global biodiversity. Benthic communities are the most sensitive parts of the coastal ecosystem to eutrophication and resulting hypoxia. As a filter-feeding organism living in the seafloor sediment, Ruditapes philippinarum represents an excellent “sentinel” species to assess the quality of marine environment. In order to gain insight into the molecular response and acclimatization mechanisms to hypoxia stress in marine invertebrates, we examined hypoxia-induced changes in immune-related gene expression and gene pathways involved in hypoxia regulation of R. philippinarum. Results We investigated the response of the Manila clam R. philippinarum to hypoxia under experimental conditions and focused on the analysis of the differential expression patterns of specific genes associated with hypoxia response by RNA-seq and time course qPCR analysis. A total of 75 genes were captured significantly differentially expressed, and were categorized into antioxidant/oxidative stress response, chaperones/heat shock proteins, immune alteration, and cell proliferation/apoptosis. Fourteen hypoxia responsive genes were validated significantly up/down regulated at different time 0, 2, 5, and 8 d in gills of R. philippinarum in hypoxia challenged group. Functional enrichment analysis revealed the HIF signaling pathway and NF-κB signaling pathway play pivotal roles in hypoxia tolerance and resistance in R. philippinarum. Conclusion The HIF signaling pathway and NF-κB signaling pathway play a critical role in hypoxia tolerance and resistance in Manila clam. The immune and defense related genes and pathways obtained here gain a fundamental understanding of the hypoxia stress in marine bivalves and provide important insights into the physiological acclimation, immune response and defense activity under hypoxia challenge. The reduced metabolism is a consequence of counterbalancing investments in immune defense against other physiological processes.
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Affiliation(s)
- Hongtao Nie
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China. .,Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, Dalian, 116023, China.
| | - Huamin Wang
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China
| | - Kunyin Jiang
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China.,Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, Dalian, 116023, China
| | - Xiwu Yan
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China. .,Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, Dalian, 116023, China.
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36
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Giraudo M, Colson TLL, De Silva AO, Lu Z, Gagnon P, Brown L, Houde M. Food-Borne Exposure of Juvenile Rainbow Trout (Oncorhynchus mykiss) to Benzotriazole Ultraviolet Stabilizers Alone and in Mixture Induces Specific Transcriptional Changes. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2020; 39:852-862. [PMID: 32004393 DOI: 10.1002/etc.4676] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 11/20/2019] [Accepted: 01/15/2020] [Indexed: 05/14/2023]
Abstract
Benzotriazole ultraviolet-stabilizers (BZT-UVs) are commonly used as additives to protect from light-induced degradation in a variety of consumer goods. Despite their widespread presence in aquatic ecosystems, information on the effects of these compounds remains largely unknown. The objectives of the present study were to evaluate the chronic effects of 2 BZT-UVs alone and in a mixture, 2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol (UV-234) and 2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol (UV-328), in juvenile rainbow trout (Oncorhynchus mykiss) chronically exposed (for 28 d) through the diet. Chemical analyses of livers from exposed trout suggested liver accumulation and potential metabolism of the 2 compounds. Hepatic RNA-sequencing analyses revealed specific effects of each compound on gene transcription profiles; UV-234 affected mainly genes involved in cellular metabolism, whereas UV-328 induced the transcription of ribosomal proteins and downregulated genes involved in immune responses. Both compounds regulated iron homeostasis genes in an opposite manner. The mixture of both BZT-UVs did not produce significant evidence of additive or synergistic effects. Environ Toxicol Chem 2020;39:852-862. © 2020 Her Majesty the Queen in Right of Canada. Environmental Toxicology and Chemistry © 2020 SETAC.
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Affiliation(s)
- Maeva Giraudo
- Aquatic Contaminants Research Division, Environment and Climate Change Canada, Montreal, Quebec, Canada
| | - Tash-Lynn L Colson
- School of Environmental Studies, Queen's University, Kingston, Ontario, Canada
| | - Amila O De Silva
- Aquatic Contaminants Research Division, Environment and Climate Change Canada, Burlington, Ontario, Canada
| | - Zhe Lu
- Institut des Sciences de La Mer de Rimouski, Université du Québec à Rimouski, Rimouski, Quebec, Canada
| | - Pierre Gagnon
- Aquatic Contaminants Research Division, Environment and Climate Change Canada, Montreal, Quebec, Canada
| | - Lorraine Brown
- Pacific Environmental Science Centre, Environment and Climate Change Canada, North Vancouver, British Columbia, Canada
| | - Magali Houde
- Aquatic Contaminants Research Division, Environment and Climate Change Canada, Montreal, Quebec, Canada
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Smits M, Artigaud S, Bernay B, Pichereau V, Bargelloni L, Paillard C. A proteomic study of resistance to Brown Ring disease in the Manila clam, Ruditapes philippinarum. FISH & SHELLFISH IMMUNOLOGY 2020; 99:641-653. [PMID: 32044464 DOI: 10.1016/j.fsi.2020.02.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 01/24/2020] [Accepted: 02/01/2020] [Indexed: 02/08/2023]
Abstract
Marine mollusk aquaculture has more than doubled over the past twenty years, accounting for over 15% of total aquaculture production in 2016. Infectious disease is one of the main limiting factors to the development of mollusk aquaculture, and the difficulties inherent to combating pathogens through antibiotic therapies or disinfection have led to extensive research on host defense mechanisms and host-pathogen relationships. It has become increasingly clear that characterizing the functional profiles of response to a disease is an essential step in understanding resistance mechanisms and moving towards more effective disease control. The Manila clam, Ruditapes philippinarum, is a main cultured bivalve species of economic importance which is affected by Brown Ring disease (BRD), an infection induced by the bacterium Vibrio tapetis. In this study, juvenile Manila clams were subjected to a 28-day controlled challenge with Vibrio tapetis, and visual and molecular diagnoses were carried out to distinguish two extreme phenotypes within the experimental clams: uninfected ("RES", resistant) and infected ("DIS", diseased) post-challenge. Total protein extractions were carried out for resistant and diseased clams, and proteins were identified using LC-MS/MS. Protein sequences were matched against a reference transcriptome of the Manila clam, and protein intensities based on label-free quantification were compared to reveal 49 significantly accumulated proteins in resistant and diseased clams. Proteins with known roles in pathogen recognition, lysosome trafficking, and various aspects of the energy metabolism were more abundant in diseased clams, whereas those with roles in redox homeostasis and protein recycling were more abundant in resistant clams. Overall, the comparison of the proteomic profiles of resistant and diseased clams after a month-long controlled challenge to induce the onset of Brown Ring disease suggests that redox homeostasis and maintenance of protein structure by chaperone proteins may play important and interrelated roles in resistance to infection by Vibrio tapetis in the Manila clam.
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Affiliation(s)
- M Smits
- Université de Brest, CNRS, IRD, Ifremer, UMR 6539 LEMAR, F-29280, Plouzané, France; Department of Comparative Biomedicine and Food Science, University of Padova, Agripolis Campus, Viale dell'Universita', 16, 35020, Legnaro (PD), Italy.
| | - S Artigaud
- Université de Brest, CNRS, IRD, Ifremer, UMR 6539 LEMAR, F-29280, Plouzané, France.
| | - B Bernay
- Plateforme Proteogen, SFR ICORE 4206, Université de Caen Basse-Normandie, Esplanade de la paix, 14032, Caen cedex, France.
| | - V Pichereau
- Université de Brest, CNRS, IRD, Ifremer, UMR 6539 LEMAR, F-29280, Plouzané, France.
| | - L Bargelloni
- Department of Comparative Biomedicine and Food Science, University of Padova, Agripolis Campus, Viale dell'Universita', 16, 35020, Legnaro (PD), Italy.
| | - C Paillard
- Université de Brest, CNRS, IRD, Ifremer, UMR 6539 LEMAR, F-29280, Plouzané, France.
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Effects of hypoxia and reoxygenation on intermediary metabolite homeostasis of marine bivalves Mytilus edulis and Crassostrea gigas. Comp Biochem Physiol A Mol Integr Physiol 2020; 242:110657. [DOI: 10.1016/j.cbpa.2020.110657] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 01/08/2020] [Accepted: 01/08/2020] [Indexed: 02/06/2023]
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Falfushynska H, Piontkivska H, Sokolova IM. Effects of intermittent hypoxia on cell survival and inflammatory responses in the intertidal marine bivalves Mytilus edulis and Crassostrea gigas. J Exp Biol 2020; 223:jeb217026. [PMID: 31953358 DOI: 10.1242/jeb.217026] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 01/10/2020] [Indexed: 12/12/2022]
Abstract
Hypoxia is a major stressor in estuarine and coastal habitats, leading to adverse effects in aquatic organisms. Estuarine bivalves such as blue mussels (Mytilus edulis) and Pacific oysters (Crassostrea gigas) can survive periodic oxygen deficiency but the molecular mechanisms that underlie cellular injury during hypoxia-reoxygenation are not well understood. We examined the molecular markers of autophagy, apoptosis and inflammation during short-term (1 day) and long-term (6 days) hypoxia and post-hypoxic recovery (1 h) in mussels and oysters by measuring the lysosomal membrane stability, activity of a key autophagic enzyme (cathepsin D) and mRNA expression of the genes involved in the cellular survival and inflammation, including caspase 2, 3 and 8, Bcl-2, BAX, TGF-β-activated kinase 1 (TAK1), nuclear factor kappa B1 (NF-κB) and NF-κB activating kinases IKKα and TBK1. Crassostrea gigas exhibited higher hypoxia tolerance, as well as blunted or delayed inflammatory and apoptotic response to hypoxia and reoxygenation as shown by the later onset and/or the lack of transcriptional activation of caspases, BAX and the inflammatory effector NF-κB, compared with M. edulis Long-term hypoxia resulted in upregulation of Bcl-2 in the oysters and mussels, implying activation of anti-apoptotic mechanisms. Our findings indicate the potential importance of the cell survival pathways in hypoxia tolerance of marine bivalves, and demonstrate the utility of the molecular markers of apoptosis and autophagy for the assessment of sublethal hypoxic stress in bivalve populations.
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Affiliation(s)
- Halina Falfushynska
- Department of Marine Biology, Institute of Biological Sciences, University of Rostock, 18055 Rostock, Germany
- Department of Human Health, Physical Rehabilitation and Vital Activity, Ternopil V. Hnatiuk National Pedagogical University, 46002 Ternopil, Ukraine
| | - Helen Piontkivska
- Department of Biological Sciences, Kent State University, Kent, OH 44243, USA
| | - Inna M Sokolova
- Department of Marine Biology, Institute of Biological Sciences, University of Rostock, 18055 Rostock, Germany
- Department of Maritime Systems, Interdisciplinary Faculty, University of Rostock, 18055 Rostock, Germany
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40
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Schwaner C, Barbosa M, Connors P, Park TJ, de Silva D, Griffith A, Gobler CJ, Pales Espinosa E, Allam B. Experimental acidification increases susceptibility of Mercenaria mercenaria to infection by Vibrio species. MARINE ENVIRONMENTAL RESEARCH 2020; 154:104872. [PMID: 32056698 DOI: 10.1016/j.marenvres.2019.104872] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 12/27/2019] [Accepted: 12/30/2019] [Indexed: 06/10/2023]
Abstract
Ocean acidification alters seawater carbonate chemistry, which can have detrimental impacts for calcifying organisms such as bivalves. This study investigated the physiological cost of resilience to acidification in Mercenaria mercenaria, with a focus on overall immune performance following exposure to Vibrio spp. Larval and juvenile clams reared in seawater with high pCO2 (~1200 ppm) displayed an enhanced susceptibility to bacterial pathogens. Higher susceptibility to infection in clams grown under acidified conditions was derived from a lower immunity to infection more so than an increase in growth of bacteria under high pCO2. A reciprocal transplant of juvenile clams demonstrated the highest mortality amongst animals transplanted from low pCO2/high pH to high pCO2/low pH conditions and then exposed to bacterial pathogens. Collectively, these results suggest that increased pCO2 will result in immunocompromised larvae and juveniles, which could have complex and pernicious effects on hard clam populations.
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Affiliation(s)
- Caroline Schwaner
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, 11790, USA.
| | - Michelle Barbosa
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, 11790, USA.
| | - Peter Connors
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, 11790, USA.
| | - Tae-Jin Park
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, 11790, USA.
| | - Darren de Silva
- School of Marine and Atmospheric Sciences, Stony Brook University, Southampton, NY, 11968, USA.
| | - Andrew Griffith
- School of Marine and Atmospheric Sciences, Stony Brook University, Southampton, NY, 11968, USA.
| | - Christopher J Gobler
- School of Marine and Atmospheric Sciences, Stony Brook University, Southampton, NY, 11968, USA.
| | | | - Bassem Allam
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, 11790, USA.
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Caricato R, Giordano ME, Schettino T, Maisano M, Mauceri A, Giannetto A, Cappello T, Parrino V, Ancora S, Caliani I, Bianchi N, Leonzio C, Mancini G, Cappello S, Fasulo S, Lionetto MG. Carbonic anhydrase integrated into a multimarker approach for the detection of the stress status induced by pollution exposure in Mytilus galloprovincialis: A field case study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 690:140-150. [PMID: 31284188 DOI: 10.1016/j.scitotenv.2019.06.446] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/10/2019] [Accepted: 06/26/2019] [Indexed: 06/09/2023]
Abstract
The work was addressed to study the sensitivity of the enzyme carbonic anhydrase (CA) to chemical pollution in the hepatopancreas of the bioindicator organism Mytilus galloprovincialis in the context of a multimarker approach in view of ecotoxicological biomonitoring and assessment application. The study was carried out by means of a transplanting experiment in the field, using caged organisms from an initial population exposed in the field in two areas of interest: Augusta-Melilli-Priolo, an heavy polluted industrial site (eastern Sicily, Italy), and Brucoli (eastern Sicily, Italy) an area not affected by any contamination and selected as a reference site. Mussels in Augusta presented a significant increase in the digestive gland CA activity and gene expression compared to the animals caged in the control site of Brucoli. The CA response in animals from the polluted site was paralleled by proliferation/increase in the size of lysosomes, as assessed by Lysosensor green charged cells, induction of metallothionein, up-regulation of hif-α (hypoxia-inducible factor), metabolic changes associated with protein metabolism, and changes in the condition factor. Biological responses data were integrated with information about sediment chemical analysis and metal residue concentration in animal soft tissues. In conclusion, obtained results highlighted the induction of CAs in the hepatopancreas of Mytilus galloprovincialis following to pollution exposure, and demonstrated its suitability to be integrated into a multimarker approach for the detection and characterization of the stress status induced by pollution exposure in this bioindicator organism.
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Affiliation(s)
- R Caricato
- Dip.to di Scienze e Tecnologie Biologiche e Ambientali (DiSTeBA), Università del Salento, Via prov.le Lecce-Monteroni, 73100 Lecce, Italy
| | - M E Giordano
- Dip.to di Scienze e Tecnologie Biologiche e Ambientali (DiSTeBA), Università del Salento, Via prov.le Lecce-Monteroni, 73100 Lecce, Italy
| | - T Schettino
- Dip.to di Scienze e Tecnologie Biologiche e Ambientali (DiSTeBA), Università del Salento, Via prov.le Lecce-Monteroni, 73100 Lecce, Italy
| | - M Maisano
- Dip.to di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Via Ferdinando Stagno d'Alcontres, 31, 98166 Messina, Italy.
| | - A Mauceri
- Dip.to di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Via Ferdinando Stagno d'Alcontres, 31, 98166 Messina, Italy
| | - A Giannetto
- Dip.to di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Via Ferdinando Stagno d'Alcontres, 31, 98166 Messina, Italy
| | - T Cappello
- Dip.to di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Via Ferdinando Stagno d'Alcontres, 31, 98166 Messina, Italy
| | - V Parrino
- Dip.to di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Via Ferdinando Stagno d'Alcontres, 31, 98166 Messina, Italy
| | - S Ancora
- Dip.to di Scienze Fisiche, della Terra e dell'Ambiente, Università di Siena, strada Laterina, 8, Siena, Italy
| | - I Caliani
- Dip.to di Scienze Fisiche, della Terra e dell'Ambiente, Università di Siena, strada Laterina, 8, Siena, Italy
| | - N Bianchi
- Dip.to di Scienze Fisiche, della Terra e dell'Ambiente, Università di Siena, strada Laterina, 8, Siena, Italy
| | - C Leonzio
- Dip.to di Scienze Fisiche, della Terra e dell'Ambiente, Università di Siena, strada Laterina, 8, Siena, Italy
| | - G Mancini
- Dip.to di Ingegneria Elettrica Elettronica e Informatica, Università di Catania, Viale Andrea Doria 6, Catania, Italy
| | - S Cappello
- Istituto per l'Ambiente Marino Costiero, CNR, Spianata S. Raineri, 86, 98122 Messina, Italy
| | - S Fasulo
- Dip.to di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, Via Ferdinando Stagno d'Alcontres, 31, 98166 Messina, Italy
| | - M G Lionetto
- Dip.to di Scienze e Tecnologie Biologiche e Ambientali (DiSTeBA), Università del Salento, Via prov.le Lecce-Monteroni, 73100 Lecce, Italy.
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Guerin MN, Weinstein DJ, Bracht JR. Stress Adapted Mollusca and Nematoda Exhibit Convergently Expanded Hsp70 and AIG1 Gene Families. J Mol Evol 2019; 87:289-297. [PMID: 31486870 DOI: 10.1007/s00239-019-09900-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 07/01/2019] [Indexed: 12/16/2022]
Abstract
We recently sequenced the genome of the first subterrestrial metazoan, the nematode Halicephalobus mephisto. A central finding was a dramatic expansion of genes encoding avrRpt2 induced gene (AIG1), and 70 kDa heat shock (Hsp70) domains. While the role of Hsp70 in thermotolerance is well established, the contribution of AIG1 is much more poorly characterized, though in plants some members of this family are heat-induced. Hypothesizing that this dual domain expansion may constitute a general biosignature of thermal stress adaptation, here we examine a number of genomes, finding that expansion of both AIG1 and Hsp70 is common in bivalves. Phylogenetic analysis reveals that the bivalve-specific Hsp70 protein expansion groups with H. mephisto sequences. Our identification of the same gene expansions in bivalves and a nematode implies that this biosignature may be a general stress adaptation strategy for protostomes, particularly those organisms that cannot escape their stressful environments. We hypothesize that the two families play largely complementary mechanistic roles, with Hsp70 directly refolding heat-denatured proteins while AIG1 promotes cellular and organismal survival by inhibiting apoptosis.
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Affiliation(s)
- Megan N Guerin
- Department of Biology, American University, Washington, DC, 20016, USA
| | | | - John R Bracht
- Department of Biology, American University, Washington, DC, 20016, USA.
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43
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Wang L, Cheng W, Meng J, Speakmon M, Qiu J, Pillai S, Zhu-Salzman K. Hypoxic environment protects cowpea bruchid (Callosobruchus maculatus) from electron beam irradiation damage. PEST MANAGEMENT SCIENCE 2019; 75:726-735. [PMID: 30101505 DOI: 10.1002/ps.5172] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 07/29/2018] [Accepted: 08/08/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Electron beam (eBeam) irradiation and hermetic storage are safe and effective technologies to protect stored products. Although hypoxic environment improves performance of some irradiated insects, whether hypoxia affects irradiation of storage insects and impacts pest control efficacy remains to be investigated. RESULTS Using cowpea bruchid (Callosobruchus maculatus) larvae, we showed that, relative to eBeam irradiation under normoxia, the adult emergence rate increased substantially if they were exposed to hypoxia prior to and during eBeam treatment. Conversely, exposure to hypoxia only after eBeam irradiation did not have this protective effect. eBeam irradiation caused an increase in reactive oxygen species (ROS) in normoxic larvae but not in hypoxic larvae. The activity of citrate synthase, a pace-making enzyme in the citric acid cycle, was suppressed under hypoxia but resumed normal function within hours of reoxygenation, suggesting that reduced mitochondrial activity, and thus less ROS production under hypoxia increased insect tolerance to irradiation. Furthermore, reoxygenation accelerated eBeam-induced glutathione-S-transferase activation and potentiated eBeam-enhanced catalase activities. Faster and stronger detoxification capacity in eBeam-irradiated, hypoxic larvae may have protected them from oxidative damage. CONCLUSION Hypoxic environment enhanced radiotolerance of bruchid larvae, presumably due to limited ROS production and elevated antioxidant enzymatic activities after reoxygenation. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Lei Wang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, People's Republic of China
- Department of Entomology, Texas A&M University, College Station, TX, USA
- Institute for Plant Genomics & Biotechnology, Texas A&M University, College Station, TX, USA
| | - Weining Cheng
- Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau, Ministry of Agriculture, Northwest A&F University, Yangling, People's Republic of China
| | - Jia Meng
- Department of Entomology, Texas A&M University, College Station, TX, USA
- Institute for Plant Genomics & Biotechnology, Texas A&M University, College Station, TX, USA
- College of Plant Protection, Fujian Agricultural and Forest University, Fuzhou, People's Republic of China
| | - Mickey Speakmon
- National Center for Electron Beam Research, Texas A&M University, College Station, TX, USA
| | - Jiangping Qiu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Suresh Pillai
- National Center for Electron Beam Research, Texas A&M University, College Station, TX, USA
| | - Keyan Zhu-Salzman
- Department of Entomology, Texas A&M University, College Station, TX, USA
- Institute for Plant Genomics & Biotechnology, Texas A&M University, College Station, TX, USA
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44
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Ertl NG, O'Connor WA, Elizur A. Molecular effects of a variable environment on Sydney rock oysters, Saccostrea glomerata: Thermal and low salinity stress, and their synergistic effect. Mar Genomics 2019; 43:19-32. [DOI: 10.1016/j.margen.2018.10.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 10/07/2018] [Accepted: 10/18/2018] [Indexed: 12/26/2022]
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45
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Huo D, Sun L, Zhang L, Ru X, Liu S, Yang X, Yang H. Global-warming-caused changes of temperature and oxygen alter the proteomic profile of sea cucumber Apostichopus japonicus. J Proteomics 2019; 193:27-43. [DOI: 10.1016/j.jprot.2018.12.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 12/05/2018] [Accepted: 12/14/2018] [Indexed: 12/28/2022]
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46
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Huo D, Sun L, Ru X, Zhang L, Lin C, Liu S, Xin X, Yang H. Impact of hypoxia stress on the physiological responses of sea cucumber Apostichopus japonicus: respiration, digestion, immunity and oxidative damage. PeerJ 2018; 6:e4651. [PMID: 29719735 PMCID: PMC5926553 DOI: 10.7717/peerj.4651] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Accepted: 03/30/2018] [Indexed: 12/19/2022] Open
Abstract
Hypoxia is one of the most frequently occurring stressors confronted by industrial cultures of sea cucumber and can cause large economic losses and resource degradation. However, its responsive mechanisms are still lacking. In this paper, the physiological responses of Apostichopus japonicus to oxygen deficiency was illustrated, including induced oxidative response and immune defense and changed digestive enzymes activities. Significantly increased activities of alpha-amylase (AMS), acid phosphatase (ACP), lactate dehydrogenase, catalase, peroxidase, succinate dehydrogenase and higher content of malondialdehyde, and decreased activities of lipase and trypsin (TRY) were observed after hypoxia exposure (dissolved oxygen [DO] 2 mg/L). Expressions of key genes showed that AMS, peptidase, ACP, alkaline phosphatase, lysozyme, heat shock protein 70 and glutathione peroxidase were increased and TRY was decreased under hypoxia. With the decline of the DO level, the decreased tendency of oxygen consumption rates was different in varied weight groups. Moreover, respiratory trees were observed degraded under long-term hypoxia stress, thus leading a negative effect of respiration. These results could help to develop a better understanding of the responsive mechanism of sea cucumber under hypoxia stress and provide a theoretical basis for the prevention of hypoxia risk.
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Affiliation(s)
- Da Huo
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Lina Sun
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Xiaoshang Ru
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Libin Zhang
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Chenggang Lin
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Shilin Liu
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Xiaoke Xin
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Hongsheng Yang
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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47
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Wang L, Song X, Song L. The oyster immunity. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 80:99-118. [PMID: 28587860 DOI: 10.1016/j.dci.2017.05.025] [Citation(s) in RCA: 181] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 05/21/2017] [Accepted: 05/21/2017] [Indexed: 06/07/2023]
Abstract
Oysters, the common name for a number of different bivalve molluscs, are the worldwide aquaculture species and also play vital roles in the function of ecosystem. As invertebrate, oysters have evolved an integrated, highly complex innate immune system to recognize and eliminate various invaders via an array of orchestrated immune reactions, such as immune recognition, signal transduction, synthesis of antimicrobial peptides, as well as encapsulation and phagocytosis of the circulating haemocytes. The hematopoietic tissue, hematopoiesis, and the circulating haemocytes have been preliminary characterized, and the detailed annotation of the Pacific oyster Crassostrea gigas genome has revealed massive expansion and functional divergence of innate immune genes in this animal. Moreover, immune priming and maternal immune transfer are reported in oysters, suggesting the adaptability of invertebrate immunity. Apoptosis and autophagy are proved to be important immune mechanisms in oysters. This review will summarize the research progresses of immune system and the immunomodulation mechanisms of the primitive catecholaminergic, cholinergic, neuropeptides, GABAergic and nitric oxidase system, which possibly make oysters ideal model for studying the origin and evolution of immune system and the neuroendocrine-immune regulatory network in lower invertebrates.
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Affiliation(s)
- Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, DalianOcean University, Dalian 116023, China
| | - Xiaorui Song
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, DalianOcean University, Dalian 116023, China
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, DalianOcean University, Dalian 116023, China.
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48
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Yusseppone MS, Rocchetta I, Sabatini SE, Luquet CM, Ríos de Molina MDC, Held C, Abele D. Inducing the Alternative Oxidase Forms Part of the Molecular Strategy of Anoxic Survival in Freshwater Bivalves. Front Physiol 2018. [PMID: 29527172 PMCID: PMC5829090 DOI: 10.3389/fphys.2018.00100] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Hypoxia in freshwater ecosystems is spreading as a consequence of global change, including pollution and eutrophication. In the Patagonian Andes, a decline in precipitation causes reduced lake water volumes and stagnant conditions that limit oxygen transport and exacerbate hypoxia below the upper mixed layer. We analyzed the molecular and biochemical response of the North Patagonian bivalve Diplodon chilensis after 10 days of experimental anoxia (<0.2 mg O2/L), hypoxia (2 mg O2/L), and normoxia (9 mg O2/L). Specifically, we investigated the expression of an alternative oxidase (AOX) pathway assumed to shortcut the regular mitochondrial electron transport system (ETS) during metabolic rate depression (MRD) in hypoxia-tolerant invertebrates. Whereas, the AOX system was strongly upregulated during anoxia in gills, ETS activities and energy mobilization decreased [less transcription of glycogen phosphorylase (GlyP) and succinate dehydrogenase (SDH) in gills and mantle]. Accumulation of succinate and induction of malate dehydrogenase (MDH) activity could indicate activation of anaerobic mitochondrial pathways to support anoxic survival in D. chilensis. Oxidative stress [protein carbonylation, glutathione peroxidase (GPx) expression] and apoptotic intensity (caspase 3/7 activity) decreased, whereas an unfolded protein response (HSP90) was induced under anoxia. This is the first clear evidence of the concerted regulation of the AOX and ETS genes in a hypoxia-tolerant freshwater bivalve and yet another example that exposure to hypoxia and anoxia is not necessarily accompanied by oxidative stress in hypoxia-tolerant mollusks.
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Affiliation(s)
- Maria S Yusseppone
- Laboratorio de Enzimología, Estrés y Metabolismo, INQUIBICEN, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Iara Rocchetta
- Laboratorio de Ecotoxicología Acuática, INIBIOMA, Universidad Nacional del Comahue, Consejo Nacional de Investigaciones Científicas y Técnicas, Junín de los Andes, Argentina
| | - Sebastian E Sabatini
- Laboratorio de Enzimología, Estrés y Metabolismo, INQUIBICEN, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Carlos M Luquet
- Laboratorio de Ecotoxicología Acuática, INIBIOMA, Universidad Nacional del Comahue, Consejo Nacional de Investigaciones Científicas y Técnicas, Junín de los Andes, Argentina
| | - Maria Del Carmen Ríos de Molina
- Laboratorio de Enzimología, Estrés y Metabolismo, INQUIBICEN, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Christoph Held
- Department of Functional Ecology, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
| | - Doris Abele
- Department of Functional Ecology, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
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Giannetto A, Maisano M, Cappello T, Oliva S, Parrino V, Natalotto A, De Marco G, Fasulo S. Effects of Oxygen Availability on Oxidative Stress Biomarkers in the Mediterranean Mussel Mytilus galloprovincialis. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2017; 19:614-626. [PMID: 29151140 DOI: 10.1007/s10126-017-9780-6] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 11/03/2017] [Indexed: 06/07/2023]
Abstract
In aquatic environments, hypoxia and oxygen-deficient areas are increasing worldwide. Transitions in oxygen levels can influence the production of reactive oxygen species (ROS), eventually leading to oxidative stress. The transcriptional response of oxidative stress biomarkers was evaluated by qPCR in gill tissue from Mytilus galloprovincialis experimentally subjected to 48-h air exposure followed by 48-h re-oxygenation, as compared to normoxic control mussels. Superoxide dismutases (CuZnsod and Mnsod), catalase (cat), and glutathione S-transferase (gst) were over-expressed early after 8-h air exposure and returned to normoxic levels during re-oxygenation. Moreover, the mRNAs and protein expression patterns of heat shock proteins (HSP70 and HSP90) and metallothioneins (MT-10 and MT-20) were modulated by oxygen availability with increased levels during re-oxygenation suggesting the participation of these cytoprotective mechanisms in the physiological oxidative stress response when oxygen concentration was restored. Overall, the observed modulation of the oxidative stress-related and general stress genes indicates that M. galloprovincialis responds to changes in oxygen availability enhancing the antioxidant potential under low oxygen conditions for dealing with the oxidative burst during future re-oxygenation. The present investigation brings further insights in understanding how intertidal molluscs cope with short-term oxygen variations and gives useful biomarkers for environmental monitoring of hypoxic areas that are predicted to occur in the next future.
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Affiliation(s)
- Alessia Giannetto
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres n. 31, 98166, Messina, Italy.
| | - Maria Maisano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres n. 31, 98166, Messina, Italy
| | - Tiziana Cappello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres n. 31, 98166, Messina, Italy
| | - Sabrina Oliva
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres n. 31, 98166, Messina, Italy
| | - Vincenzo Parrino
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres n. 31, 98166, Messina, Italy
| | - Antonino Natalotto
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres n. 31, 98166, Messina, Italy
| | - Giuseppe De Marco
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres n. 31, 98166, Messina, Italy
| | - Salvatore Fasulo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres n. 31, 98166, Messina, Italy
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50
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Dos Santos MB, Monteiro Neto IE, de Souza Melo SRC, Amado EM. Hemolymph and gill carbonic anhydrase are more sensitive to aquatic contamination than mantle carbonic anhydrase in the mangrove oyster Crassostrea rhizophorae. Comp Biochem Physiol C Toxicol Pharmacol 2017; 201:19-25. [PMID: 28888876 DOI: 10.1016/j.cbpc.2017.08.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 08/20/2017] [Accepted: 08/29/2017] [Indexed: 10/18/2022]
Abstract
Carbonic anhydrase (CA) is a ubiquitous metalloenzyme of great importance in several physiological processes. Due to its physiological importance and sensitivity to various pollutants, CA activity has been used as biomarker of aquatic contamination. Considering that in bivalves the sensitivity of CA to pollutants seems to be tissue-specific, we proposed here to analyze CA activity of hemolymph, gill and mantle of Crassostrea rhizophorae collected in two tropical Brazilian estuaries with different levels of anthropogenic impact, in dry and rainy season. We found increased carbonic anhydrase activity in hemolymph, gill and mantle of oysters collected in the Paraíba Estuary (a site of high anthropogenic impact) when compared to oysters from Mamanguape Estuary (inserted in an area of environmental preservation), especially in the rainy season. CA of hemolymph and gill were more sensitive than mantle CA to aquatic contamination. This study enhances the suitability of carbonic anhydrase activity for field biomarker applications with bivalves and brings new and relevant information on hemolymph carbonic anhydrase activity as biomarker of aquatic contamination.
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Affiliation(s)
- Matheus Barbosa Dos Santos
- Curso de Ciências Biológicas, Centro de Ciências Biológicas e Sociais Aplicadas, Universidade Estadual da Paraíba-Campus V, João Pessoa, PB, Brazil
| | - Ignácio Evaristo Monteiro Neto
- Curso de Ciências Biológicas, Centro de Ciências Biológicas e Sociais Aplicadas, Universidade Estadual da Paraíba-Campus V, João Pessoa, PB, Brazil
| | - Sarah Rachel Candido de Souza Melo
- Curso de Ciências Biológicas, Centro de Ciências Biológicas e Sociais Aplicadas, Universidade Estadual da Paraíba-Campus V, João Pessoa, PB, Brazil
| | - Enelise Marcelle Amado
- Curso de Ciências Biológicas, Centro de Ciências Biológicas e Sociais Aplicadas, Universidade Estadual da Paraíba-Campus V, João Pessoa, PB, Brazil.
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