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Venkataraman YR, White SJ, Roberts SB. Differential DNA methylation in Pacific oyster reproductive tissue in response to ocean acidification. BMC Genomics 2022; 23:556. [PMID: 35927609 PMCID: PMC9351233 DOI: 10.1186/s12864-022-08781-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 07/13/2022] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND There is a need to investigate mechanisms of phenotypic plasticity in marine invertebrates as negative effects of climate change, like ocean acidification, are experienced by coastal ecosystems. Environmentally-induced changes to the methylome may regulate gene expression, but methylome responses can be species- and tissue-specific. Tissue-specificity has implications for gonad tissue, as gonad-specific methylation patterns may be inherited by offspring. We used the Pacific oyster (Crassostrea gigas) - a model for understanding pH impacts on bivalve molecular physiology due to its genomic resources and importance in global aquaculture- to assess how low pH could impact the gonad methylome. Oysters were exposed to either low pH (7.31 ± 0.02) or ambient pH (7.82 ± 0.02) conditions for 7 weeks. Whole genome bisulfite sequencing was used to identify methylated regions in female oyster gonad samples. C- > T single nucleotide polymorphisms were identified and removed to ensure accurate methylation characterization. RESULTS Analysis of gonad methylomes revealed a total of 1284 differentially methylated loci (DML) found primarily in genes, with several genes containing multiple DML. Gene ontologies for genes containing DML were involved in development and stress response, suggesting methylation may promote gonad growth homeostasis in low pH conditions. Additionally, several of these genes were associated with cytoskeletal structure regulation, metabolism, and protein ubiquitination - commonly-observed responses to ocean acidification. Comparison of these DML with other Crassostrea spp. exposed to ocean acidification demonstrates that similar pathways, but not identical genes, are impacted by methylation. CONCLUSIONS Our work suggests DNA methylation may have a regulatory role in gonad and larval development, which would shape adult and offspring responses to low pH stress. Combined with existing molluscan methylome research, our work further supports the need for tissue- and species-specific studies to understand the potential regulatory role of DNA methylation.
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Affiliation(s)
- Yaamini R Venkataraman
- Biology Department, Woods Hole Oceanographic Institution, 266 Woods Hole Road, Woods Hole, MA, 02543, USA.
- School of Aquatic & Fishery Sciences, University of Washington, 1122 NE Boat St, Seattle, WA, USA.
| | - Samuel J White
- School of Aquatic & Fishery Sciences, University of Washington, 1122 NE Boat St, Seattle, WA, USA
| | - Steven B Roberts
- School of Aquatic & Fishery Sciences, University of Washington, 1122 NE Boat St, Seattle, WA, USA
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2
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Chueycham S, Srisomsap C, Chokchaichamnankit D, Svasti J, Hummel K, Nöbauer K, Hekmat O, Razzazi-Fazeli E, Kingtong S. Toxicity of DDT to the hooded oyster Saccostrea cucullata: Mortality, histopathology and molecular mechanisms as revealed by a proteomic approach. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 225:112729. [PMID: 34478977 DOI: 10.1016/j.ecoenv.2021.112729] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/21/2021] [Accepted: 08/27/2021] [Indexed: 06/13/2023]
Abstract
Dichlorodiphenyltrichloroethane (DDT), a persistent organochlorine pesticide, has been linked to adverse biological effects in organisms. However, there is limited knowledge about its toxic effects on marine organisms and the underlying molecular mechanisms. This study investigated the toxic effects of DDT in the hooded oyster Saccostrea cucullata. The oysters were exposed to DDT at concentrations of 0, 10, 50, 100, 500, 1000 and 2000 µg/L for 96 h and the LC50 (96 h) was 891.25 µg/L. Two sublethal concentrations (10 and 100 µg/L) were used to investigate the histopathological effects and the proteome response. Histopathological results showed that DDT caused the alteration of mantle tissue. This included the induction of mucocytes in the epithelium and the inflammatory effect in the connective tissue indicated by the enlargement of blood sinus and hemocyte aggregation within the sinus. Proteomic results showed that, amongst approximately 500 protein spots that were detected across 2DE gels, 51 protein spots were differentially expressed (P < 0.01; fold change > 1.2). Of these, 29 protein spots were identified by LC-MS/MS. These included 23 up-regulated, 5 down-regulated and 1 fluctuating spots. Thus, we observed that stress response and cytoskeletal proteins are the central targets of DDT action. Furthermore, DDT alters the expression of proteins involved in energy metabolism, calcium homeostasis and other proteins of unknown function. Additionally, proteomic results clearly elucidated the molecular response of the histopathological changes which were driven by the alteration of cytoskeletal proteins. Our results improve the current knowledge of toxicity of the DDT to histology and molecular response of oyster proteome to DDT exposure. In addition, histopathological changes will be beneficial for the development of an appropriate guideline for health assessment of this species in ecotoxicological context.
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Affiliation(s)
- Supatta Chueycham
- Environmental Science Program, Faculty of Science, Burapha University, Chonburi 20131, Thailand
| | - Chantragan Srisomsap
- Laboratory of Biochemistry, Chulabhorn Research Institute, Vibhavadi-Rangsit Highway, Bangkok 10210, Thailand
| | - Daranee Chokchaichamnankit
- Laboratory of Biochemistry, Chulabhorn Research Institute, Vibhavadi-Rangsit Highway, Bangkok 10210, Thailand
| | - Jisnuson Svasti
- Laboratory of Biochemistry, Chulabhorn Research Institute, Vibhavadi-Rangsit Highway, Bangkok 10210, Thailand
| | - Karin Hummel
- VetCore Facility for Research, University of Veterinary Medicine, Veterinärplatz 1, Vienna 1210, Austria
| | - Katharina Nöbauer
- VetCore Facility for Research, University of Veterinary Medicine, Veterinärplatz 1, Vienna 1210, Austria
| | - Omid Hekmat
- VetCore Facility for Research, University of Veterinary Medicine, Veterinärplatz 1, Vienna 1210, Austria
| | - Ebrahim Razzazi-Fazeli
- VetCore Facility for Research, University of Veterinary Medicine, Veterinärplatz 1, Vienna 1210, Austria
| | - Sutin Kingtong
- Department of Biology, Faculty of Science, Burapha University, 169 Long-Haad Bangsaen Road, Chonburi 20131, Thailand.
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Mu H, Ke S, Zhang D, Zhang Y, Song X, Yu Z, Zhang Y, Qiu JW. The Sperm Proteome of the Oyster Crassostrea hongkongensis. Proteomics 2020; 20:e2000167. [PMID: 32865869 DOI: 10.1002/pmic.202000167] [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: 06/22/2020] [Revised: 08/13/2020] [Indexed: 11/08/2022]
Abstract
Sperm proteins play vital roles in fertilization, but little is known about their identities in free-spawning marine invertebrates. Here, 286 sperm proteins are reported from the Hong Kong oyster Crassostrea hongkongensis using label-free and semi-quantitative proteomics. Proteins extracted from three sperm samples are separated by SDS-PAGE, analyzed by LC-MS/MS, and identified using Mascot. Functional classification of the sperm proteome reveals energy metabolism (33%), signaling and binding (23%), and protein synthesis and degradation (12%) as the top functional categories. Comparison of orthologous sperm proteins between C. hongkongensis, Crassostrea gigas, Mytilus edulis, and M. galloprovincialis suggests that energy metabolism (48%) is the most conserved functional group. Sequence alignment of the C. hongkongensis bindin, an acrosomal protein that binds the sperm and the egg, with those of three other Crassostrea species, reveals several conserved motifs. The study has enriched the data of invertebrate sperm proteins and may contribute to studies of mechanisms of fertilization in free-spawning invertebrates. The proteomic data are available in ProteomeXchange with the identifier PXD018255.
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Affiliation(s)
- Huawei Mu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Brain Function and Disease, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Shengwei Ke
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Brain Function and Disease, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Duo Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Brain Function and Disease, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Yanjie Zhang
- Department of Biology and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong Baptist University, Hong Kong, China
| | - Xiaoyuan Song
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Brain Function and Disease, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Ziniu Yu
- Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
| | - Yang Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
| | - Jian-Wen Qiu
- Department of Biology and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong Baptist University, Hong Kong, China
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de la Ballina NR, Villalba A, Cao A. Differences in proteomic profile between two haemocyte types, granulocytes and hyalinocytes, of the flat oyster Ostrea edulis. FISH & SHELLFISH IMMUNOLOGY 2020; 100:456-466. [PMID: 32205190 DOI: 10.1016/j.fsi.2020.03.033] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 03/05/2020] [Accepted: 03/17/2020] [Indexed: 06/10/2023]
Abstract
Haemocytes play a dominant role in shellfish immunity, being considered the main defence effector cells in molluscs. These cells are known to be responsible for many functions, including chemotaxis, cellular recognition, attachment, aggregation, shell repair and nutrient transport and digestion. There are two basic cell types of bivalve haemocytes morphologically distinguishable, hyalinocytes and granulocytes; however, functional differences and specific abilities are poorly understood: granulocytes are believed to be more efficient in killing microorganisms, while hyalinocytes are thought to be more specialised in clotting and wound healing. A proteomic approach was implemented to find qualitative differences in the protein profile between granulocytes and hyalinocytes of the European flat oyster, Ostrea edulis, as a way to evaluate functional differences. Oyster haemolymph cells were differentially separated by Percoll® density gradient centrifugation. Granulocyte and hyalinocyte proteins were separated by 2D-PAGE and their protein profiles were analysed and compared with PD Quest software; the protein spots exclusive for each haemocyte type were excised from gels and analysed by MALDI-TOF/TOF with a combination of mass spectrometry (MS) and MS/MS for sequencing and protein identification. A total of 34 proteins were identified, 20 unique to granulocytes and 14 to hyalinocytes. The results suggested differences between the haemocyte types in signal transduction, apoptosis, oxidation reduction processes, cytoskeleton, phagocytosis and pathogen recognition. These results contribute to identify differential roles of each haemocyte type and to better understand the oyster immunity mechanisms, which should help to fight oyster diseases.
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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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Romero MR, Pérez-Figueroa A, Carrera M, Swanson WJ, Skibinski DOF, Diz AP. RNA-seq coupled to proteomic analysis reveals high sperm proteome variation between two closely related marine mussel species. J Proteomics 2018; 192:169-187. [PMID: 30189323 DOI: 10.1016/j.jprot.2018.08.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 08/10/2018] [Accepted: 08/31/2018] [Indexed: 12/12/2022]
Abstract
Speciation mechanisms in marine organisms have attracted great interest because of the apparent lack of substantial barriers to genetic exchange in marine ecosystems. Marine mussels of the Mytilus edulis species complex provide a good model to study mechanisms underlying species formation. They hybridise extensively at many localities and both pre- and postzygotic isolating mechanisms may be operating. Mussels have external fertilisation and sperm cells should show specific adaptations for survival and successful fertilisation. Sperm thus represent key targets in investigations of the molecular mechanisms underlying reproductive isolation. We undertook a deep transcriptome sequencing (RNA-seq) of mature male gonads and a 2DE/MS-based proteome analysis of sperm from Mytilus edulis and M. galloprovincialis raised in a common environment. We provide evidence of extensive expression differences between the two mussel species, and general agreement between the transcriptomic and proteomic results in the direction of expression differences between species. Differential expression is marked for mitochondrial genes and for those involved in spermatogenesis, sperm motility, sperm-egg interactions, the acrosome reaction, sperm capacitation, ATP reserves and ROS production. Proteins and their corresponding genes might thus be good targets in further genomic analysis of reproductive barriers between these closely related species. SIGNIFICANCE: Model systems for the study of fertilization include marine invertebrates with external fertilisation, such as abalones, sea urchins and mussels, because of the ease with which large quantities of gametes released into seawater can be collected after induced spawning. Unlike abalones and sea urchins, hybridisation has been reported between mussels of different Mytilus spp., which thus makes them very appealing for the study of reproductive isolation at both pre- and postzygotic levels. There is a lack of empirical proteomic studies on sperm samples comparing different Mytilus species, which could help to advance this study. A comparative analysis of sperm proteomes across different taxa may provide important insights into the fundamental molecular processes and mechanisms involved in reproductive isolation. It might also contribute to a better understanding of sperm function and of the adaptive evolution of sperm proteins in different taxa. There is now growing evidence from genomics studies that multiple protein complexes and many individual proteins might have important functions in sperm biology and the fertilisation process. From an applied perspective, the identification of sperm-specific proteins could also contribute to the improved understanding of fertility problems and as targets for fertility control.
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Affiliation(s)
- Mónica R Romero
- Department of Biochemistry, Genetics and Immunology, Faculty of Biology, University of Vigo, Vigo, Spain; Marine Research Centre, University of Vigo (CIM-UVIGO), Isla de Toralla, Vigo, Spain
| | - Andrés Pérez-Figueroa
- Department of Biochemistry, Genetics and Immunology, Faculty of Biology, University of Vigo, Vigo, Spain
| | | | - Willie J Swanson
- Department of Genome Sciences, School of Medicine, University of Washington, Seattle, USA
| | - David O F Skibinski
- Institute of Life Science, Swansea University Medical School, Swansea University, Swansea, UK
| | - Angel P Diz
- Department of Biochemistry, Genetics and Immunology, Faculty of Biology, University of Vigo, Vigo, Spain; Marine Research Centre, University of Vigo (CIM-UVIGO), Isla de Toralla, Vigo, Spain.
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6
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Huang X, Huan P, Liu B. A comparative proteomic analysis reveals important proteins for the fertilization and early embryonic development of the oyster Crassostrea gigas. Proteomics 2017; 17. [PMID: 27880033 DOI: 10.1002/pmic.201600251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Revised: 11/13/2016] [Accepted: 11/15/2016] [Indexed: 11/06/2022]
Abstract
Molluscan development involves important features that are important to understanding not only molluscan ontogeny but also animal evolution. To gain insight into the gamete proteome and protein function in fertilization and early development, we analyzed the proteomes of unfertilized oocytes and early embryos (2/4-cell stage) of the Pacific oyster, Crassostrea gigas. An oocyte reference map containing 116 protein spots, of which 69 were identified, revealed a high abundance of vitellogenin-derived protein spots. The differentially regulated protein spots during fertilization were screened using comparative proteomic approaches. In total, 18 differentially regulated protein spots were screened, and 15 of these were identified and divided into three groups. The proteins belonging to the first group function in energy supply and antioxidation and are proposed to ensure successful fertilization by regulating the levels of adenosine triphosphate, resisting oxidative stress, and preventing polyspermy. The proteins of the second group are associated with protein synthesis and modification, reflecting active protein synthesis after fertilization. The three proteins belonging to the final group are hypothesized to function in the regulation of embryonic development through the establishment of cell polarity and modulation of methylation reactions in nuclei. These results will enhance our knowledge of molluscan fertilization and development.
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Affiliation(s)
- Xiaohong Huang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, P. R. China.,University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Pin Huan
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, P. R. China
| | - Baozhong Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, P. R. China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
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7
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Shi J, Wang D, Zhou Y, Gu Y, Wu D, Wang J, Hong Y. Comparative proteomics analysis of spermary and ovary in Hyriopsis schlegelii. Biosci Biotechnol Biochem 2017; 81:491-499. [DOI: 10.1080/09168451.2016.1259553] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Abstract
We provide the first large-scale quantitative proteomics analysis in Hyriopsis schlegelii. To investigate the proteins expressed in the gonads, a quantitative proteomics approach has been utilized to analyze differentially expressed proteins between the spermary and ovary. In this study, we identified and quantified 2416 proteins in the gonads of Hyriopsis schlegelii. Of these, 559 proteins showed significantly different expression between the spermary and ovary. Some specific proteins expressed in either the spermary or ovary were identified in Hyriopsis schlegelii. In addition, a series of proteins related to gametogenesis were also identified. Compared with previous reports, many proteins in Hyriopsis schlegelii identified here have different expression patterns between the spermary and ovary. The special hermaphroditism in Hyriopsis schlegelii may contribute to these inconsistent results. The provided proteomics data could be considered as a starting point for subsequent studies focusing on the proteins involved in sexual gland development and maturity.
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Affiliation(s)
- Jianwu Shi
- School of Life Sciences, Nanchang University, Nanchang, China
| | - Dexia Wang
- School of Life Sciences, Nanchang University, Nanchang, China
| | - Yan Zhou
- School of Life Sciences, Nanchang University, Nanchang, China
| | - Yiran Gu
- School of Life Sciences, Nanchang University, Nanchang, China
| | - Di Wu
- School of Life Sciences, Nanchang University, Nanchang, China
| | - Junhua Wang
- School of Life Sciences, Nanchang University, Nanchang, China
| | - Yijiang Hong
- School of Life Sciences, Nanchang University, Nanchang, China
- Key Laboratory of Molecular Biology and Genetic Engineering of Jiangxi, Nanchang University, Nanchang, China
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9
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Khondee P, Srisomsap C, Chokchaichamnankit D, Svasti J, Simpson RJ, Kingtong S. Histopathological effect and stress response of mantle proteome following TBT exposure in the Hooded oyster Saccostrea cucullata. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 218:855-862. [PMID: 27521293 DOI: 10.1016/j.envpol.2016.08.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 08/03/2016] [Accepted: 08/03/2016] [Indexed: 06/06/2023]
Abstract
Tributyltin (TBT), an environmental pollutant in marine ecosystems, is toxic to organisms. Although contamination by and bioaccumulation and toxicity of this compound have been widely reported, its underlying molecular mechanisms remain unclear. In the present study, we exposed the Hooded oyster Saccostrea cucullata to TBT to investigate histopathological effects and proteome stress response. Animals were exposed to three TBT sub-lethal concentrations, 10, 50 and 150 μg/l for 48 h. TBT produced stress leading to histopathological changes in oyster tissues including mantle, gill, stomach and digestive diverticula. TBT induced mucocyte production in epithelia and hemocyte aggregation in connective tissue. Cell necrosis occurred when exposure dosages were high. Comparative proteome analyses of mantle protein of oysters exposed to 10 μg/l and control animals were analyzed by a 2-DE based proteomic approach. In total, 32 protein spots were found to differ (p < 0.05). Of these, 17 proteins were identified which included 14 up-regulated and 3 down-regulated proteins. TBT induced the expression of proteins involved in defensive mechanisms (HSP-78, HSP-70, aldehyde dehydrogenase and catalase), calcium homeostasis (VDAC-3), cytoskeleton and cytoskeleton-associated proteins, energy metabolism and amino acid metabolism. Our study revealed that TBT disturbs calcium homeostasis via VDAC-3 protein in mantle and this probably is the key molecular mechanism of TBT acting to distort shell calcification. Moreover, proteins involved in cell structure (tubulin-alpha and tubulin-beta) and protein synthesis were reduced after TBT exposure. Additionally, differential proteins obtained from this work will be useful as potential TBT biomarkers.
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Affiliation(s)
- Phattirapa Khondee
- Faculty of Education, Burapha University, Bangsean Road, Chonburi 20131, Thailand
| | - Chantragan Srisomsap
- Laboratory of Biochemistry, Chulabhorn Research Institute, Vibhavadi-Rangsit Highway, Bangkok 10210, Thailand
| | - Daranee Chokchaichamnankit
- Laboratory of Biochemistry, Chulabhorn Research Institute, Vibhavadi-Rangsit Highway, Bangkok 10210, Thailand
| | - Jisnuson Svasti
- Laboratory of Biochemistry, Chulabhorn Research Institute, Vibhavadi-Rangsit Highway, Bangkok 10210, Thailand; Department of Biochemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand
| | - Richard J Simpson
- La Trobe Institute for Molecular Science (LIMS), La Trobe University, Bundoora Victoria 3086, Australia
| | - Sutin Kingtong
- Department of Biology, Faculty of Science, Burapha University, Bangsean Road, Chonburi 20131, Thailand.
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Ertl NG, O’Connor WA, Wiegand AN, Elizur A. Molecular analysis of the Sydney rock oyster (Saccostrea glomerata) CO2 stress response. ACTA ACUST UNITED AC 2016. [DOI: 10.1186/s40665-016-0019-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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11
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Sussarellu R, Huvet A, Lapègue S, Quillen V, Lelong C, Cornette F, Jensen LF, Bierne N, Boudry P. Additive transcriptomic variation associated with reproductive traits suggest local adaptation in a recently settled population of the Pacific oyster, Crassostrea gigas. BMC Genomics 2015; 16:808. [PMID: 26483072 PMCID: PMC4613751 DOI: 10.1186/s12864-015-1972-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 10/03/2015] [Indexed: 02/07/2023] Open
Abstract
Background Originating from Northeast Asia, the Pacific oyster Crassostrea gigas has been introduced into a large number of countries for aquaculture purpose. Following introduction, the Pacific oyster has turned into an invasive species in an increasing number of coastal areas, notably recently in Northern Europe. Methods To explore potential adaptation of reproductive traits in populations with different histories, we set up a common garden experiment based on the comparison of progenies from two populations of Pacific oyster sampled in France and Denmark and their hybrids. Sex ratio, condition index and microarray gene expression in gonads, were analyzed in each progeny (n = 60). Results A female-biased sex-ratio and a higher condition index were observed in the Danish progeny, possibly reflecting an evolutionary reproductive strategy to increase the potential success of natural recruitment in recently settled population. Using multifarious statistical approaches and accounting for sex differences we identified several transcripts differentially expressed between the Danish and French progenies, for which additive genetic basis is suspected (showing intermediate expression levels in hybrids, and therefore additivity). Candidate transcripts included mRNA coding for sperm quality and insulin metabolism, known to be implicated in coordinated control and success of reproduction. Conclusions Observed differences suggest that adaptation of invasive populations might have occurred during expansion acting on reproductive traits, and in particular on a female-biased sex-ratio, gamete quality and fertility. Electronic supplementary material The online version of this article (doi:10.1186/s12864-015-1972-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Rossana Sussarellu
- Ifremer, Laboratoire des Sciences de l'Environnement Marin UMR 6539 (UBO/CNRS/IRD/Ifremer), Plouzané, France. .,Present address: Ifremer, Laboratoire d'Ecotoxicologie, Nantes, France.
| | - Arnaud Huvet
- Ifremer, Laboratoire des Sciences de l'Environnement Marin UMR 6539 (UBO/CNRS/IRD/Ifremer), Plouzané, France.
| | - Sylvie Lapègue
- Ifremer, SG2M-LGPMM, Laboratoire de Génétique et Pathologie des Mollusques Marins, 17390, La Tremblade, France.
| | - Virgile Quillen
- Ifremer, Laboratoire des Sciences de l'Environnement Marin UMR 6539 (UBO/CNRS/IRD/Ifremer), Plouzané, France.
| | - Christophe Lelong
- UNICAEN, UMR BOREA MNHN, UPMC, UNICAEN, CNRS-7208, IRD207, F-14032, Caen, France.
| | - Florence Cornette
- Ifremer, SG2M-LGPMM, Laboratoire de Génétique et Pathologie des Mollusques Marins, 17390, La Tremblade, France.
| | | | - Nicolas Bierne
- Université Montpellier 2, Montpellier, France. .,CNRS - Institut des Sciences de l'Evolution, UMR5554, Station Méditerranéenne de l'Environnement Littoral, Sète, France.
| | - Pierre Boudry
- Ifremer, Laboratoire des Sciences de l'Environnement Marin UMR 6539 (UBO/CNRS/IRD/Ifremer), Plouzané, France.
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Epelboin Y, Quéré C, Pernet F, Pichereau V, Corporeau C. Energy and Antioxidant Responses of Pacific Oyster Exposed to Trace Levels of Pesticides. Chem Res Toxicol 2015; 28:1831-41. [DOI: 10.1021/acs.chemrestox.5b00269] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Yanouk Epelboin
- Ifremer, UMR 6539
(CNRS, UBO, IRD, Ifremer), Laboratoire des sciences de l’Environnement
Marin (LEMAR), 29280 Plouzané, France
| | - Claudie Quéré
- Ifremer, UMR 6539
(CNRS, UBO, IRD, Ifremer), Laboratoire des sciences de l’Environnement
Marin (LEMAR), 29280 Plouzané, France
| | - Fabrice Pernet
- Ifremer, UMR 6539
(CNRS, UBO, IRD, Ifremer), Laboratoire des sciences de l’Environnement
Marin (LEMAR), 29280 Plouzané, France
| | - Vianney Pichereau
- UBO,
UMR 6539 (CNRS, UBO, IRD, Ifremer), Laboratoire des sciences de l’Environnement
Marin (LEMAR), Institut Universitaire Européen de la Mer (IUEM), Université de Brest, 29280 Plouzané, France
| | - Charlotte Corporeau
- Ifremer, UMR 6539
(CNRS, UBO, IRD, Ifremer), Laboratoire des sciences de l’Environnement
Marin (LEMAR), 29280 Plouzané, France
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Huang X, Liu B, Huan P. The sperm proteome of the Pacific oysterCrassostrea gigasand immunolocalization of heat shock proteins. INVERTEBR REPROD DEV 2015. [DOI: 10.1080/07924259.2015.1041654] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Wu H, Ji C, Wei L, Zhao J, Lu H. Proteomic and metabolomic responses in hepatopancreas of Mytilus galloprovincialis challenged by Micrococcus luteus and Vibrio anguillarum. J Proteomics 2013; 94:54-67. [DOI: 10.1016/j.jprot.2013.09.001] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Revised: 09/01/2013] [Accepted: 09/09/2013] [Indexed: 11/30/2022]
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Suárez-Ulloa V, Fernández-Tajes J, Manfrin C, Gerdol M, Venier P, Eirín-López JM. Bivalve omics: state of the art and potential applications for the biomonitoring of harmful marine compounds. Mar Drugs 2013; 11:4370-89. [PMID: 24189277 PMCID: PMC3853733 DOI: 10.3390/md11114370] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Revised: 09/27/2013] [Accepted: 10/09/2013] [Indexed: 12/26/2022] Open
Abstract
The extraordinary progress experienced by sequencing technologies and bioinformatics has made the development of omic studies virtually ubiquitous in all fields of life sciences nowadays. However, scientific attention has been quite unevenly distributed throughout the different branches of the tree of life, leaving molluscs, one of the most diverse animal groups, relatively unexplored and without representation within the narrow collection of well established model organisms. Within this Phylum, bivalve molluscs play a fundamental role in the functioning of the marine ecosystem, constitute very valuable commercial resources in aquaculture, and have been widely used as sentinel organisms in the biomonitoring of marine pollution. Yet, it has only been very recently that this complex group of organisms became a preferential subject for omic studies, posing new challenges for their integrative characterization. The present contribution aims to give a detailed insight into the state of the art of the omic studies and functional information analysis of bivalve molluscs, providing a timely perspective on the available data resources and on the current and prospective applications for the biomonitoring of harmful marine compounds.
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Affiliation(s)
- Victoria Suárez-Ulloa
- Chromatin Structure and Evolution (CHROMEVOL) Group, Department of Biological Sciences, Florida International University, North Miami, FL 33181, USA; E-Mail:
| | - Juan Fernández-Tajes
- Wellcome Trust Center for Human Genetics, University of Oxford, Oxford OX3 7BN, UK; E-Mail:
| | - Chiara Manfrin
- Department of Life Sciences, University of Trieste, Trieste 34127, Italy; E-Mails: (C.M.); (M.G.)
| | - Marco Gerdol
- Department of Life Sciences, University of Trieste, Trieste 34127, Italy; E-Mails: (C.M.); (M.G.)
| | - Paola Venier
- Department of Biology, University of Padova, Padova 35121, Italy; E-Mail:
| | - José M. Eirín-López
- Chromatin Structure and Evolution (CHROMEVOL) Group, Department of Biological Sciences, Florida International University, North Miami, FL 33181, USA; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +1-305-919-4000; Fax: +1-305-919-4030
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