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Peng M, Cardoso JCR, Pearson G, Vm Canário A, Power DM. Core genes of biomineralization and cis-regulatory long non-coding RNA regulate shell growth in bivalves. J Adv Res 2024; 64:117-129. [PMID: 37995944 PMCID: PMC11464482 DOI: 10.1016/j.jare.2023.11.024] [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: 06/09/2023] [Revised: 10/02/2023] [Accepted: 11/20/2023] [Indexed: 11/25/2023] Open
Abstract
INTRODUCTION Bivalve molluscs are abundant in marine and freshwater systems and contribute essential ecosystem services. They are characterized by an exuberant diversity of biomineralized shells and typically have two symmetric valves (a.k.a shells), but oysters (Ostreidae), some clams (Anomiidae and Chamidae) and scallops (Pectinida) have two asymmetrical valves. Predicting and modelling the likely consequences of ocean acidification on bivalve survival, biodiversity and aquaculture makes understanding shell biomineralization and its regulation a priority. OBJECTIVES This study aimed to a) exploit the atypical asymmetric shell growth of some bivalves and through comparative analysis of the genome and transcriptome pinpoint candidate biomineralization-related genes and regulatory long non-coding RNAs (LncRNAs) and b) demonstrate their roles in regulating shell biomineralization/growth. METHODS Meta-analysis of genomes, de novo generated mantle transcriptomes or transcriptomes and proteomes from public databases for six asymmetric to symmetric bivalve species was used to identify biomineralization-related genes. Bioinformatics filtering uncovered genes and regulatory modules characteristic of bivalves with asymmetric shells and identified candidate biomineralization-related genes and lncRNAs with a biased expression in asymmetric valves. A shell regrowth model in oyster and gene silencing experiments, were used to characterize candidate gene function. RESULTS Shell matrix genes with asymmetric expression in the mantle of the two valves were identified and unique cis-regulatory lncRNA modules characterized in Ostreidae. LncRNAs that regulate the expression of the tissue inhibitor of metalloproteinases gene family (TIMPDR) and of the shell matrix protein domain family (SMPDR) were identified. In vitro and in vivo silencing experiments revealed the candidate genes and lncRNA were associated with divergent shell growth rates and modified the microstructure of calcium carbonate (CaCO3) crystals. CONCLUSION LncRNAs are putative regulatory factors of the bivalve biomineralization toolbox. In the Ostreidae family of bivalves biomineralization-related genes are cis-regulated by lncRNA and modify the planar growth rate and spatial orientation of crystals in the shell.
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Affiliation(s)
- Maoxiao Peng
- Comparative Endocrinology and Integrative Biology, Centre of Marine Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - João C R Cardoso
- Comparative Endocrinology and Integrative Biology, Centre of Marine Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal.
| | - Gareth Pearson
- Biogeographical Ecology and Evolution, Centre of Marine Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Adelino Vm Canário
- Comparative Endocrinology and Integrative Biology, Centre of Marine Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Deborah M Power
- Comparative Endocrinology and Integrative Biology, Centre of Marine Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China.
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Louis V, Desbordes F, Besseau L, Lartaud F. Bivalve shell growth from molecular to sclerochronological scale: Environment and intrinsic factors control increment deposition. MARINE ENVIRONMENTAL RESEARCH 2024; 202:106730. [PMID: 39265325 DOI: 10.1016/j.marenvres.2024.106730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 09/01/2024] [Accepted: 09/02/2024] [Indexed: 09/14/2024]
Abstract
Biomineralisation of bivalve shells raises questions at the level of genes to the final calcified product. For the first time, gene expression has been studied in association with growth increment deposition in the mussel Mytilus galloprovincialis. A short-term experiment highlighted that biomineralisation genes exhibit a rhythm of expression consistent with the observed tidal increment formation. Long-term mark-recapture experiments were conducted in three Mediterranean environments and revealed that the mussel shells harbour complex incrementation regimes, consisting of daily, tidal and a mixed periodicity of ∼1.7 growth increment.d-1 formed. The latter is likely related to the local tidal regime, although the mussels were continuously submerged and exposed to a small tidal range. The pattern of growth increments shifted from mixed to daily in Mediterranean lagoon, and to tidal at sea, probably linked to biological clocks. Based on our results and the literature, a hypothetical model for mussel shell increment formation in various habitats is proposed.
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Affiliation(s)
- Victoria Louis
- Sorbonne Université, CNRS, Laboratoire d'Ecogéochimie des Environnements Benthiques, LECOB, F-66650, Banyuls-sur-Mer, France; Sorbonne Université, CNRS, Biologie Intégrative des Organismes Marins, BIOM, F-66650, Banyuls-sur-Mer, France.
| | - Florian Desbordes
- Sorbonne Université, CNRS, Laboratoire d'Ecogéochimie des Environnements Benthiques, LECOB, F-66650, Banyuls-sur-Mer, France
| | - Laurence Besseau
- Sorbonne Université, CNRS, Biologie Intégrative des Organismes Marins, BIOM, F-66650, Banyuls-sur-Mer, France
| | - Franck Lartaud
- Sorbonne Université, CNRS, Laboratoire d'Ecogéochimie des Environnements Benthiques, LECOB, F-66650, Banyuls-sur-Mer, France
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Liu H, Liu C, Huang J. Characterization of the shell proteins in two freshwater snails Pomacea canaliculata and Cipangopaludina chinensis. Int J Biol Macromol 2023; 242:124524. [PMID: 37100317 DOI: 10.1016/j.ijbiomac.2023.124524] [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: 01/11/2023] [Revised: 04/07/2023] [Accepted: 04/15/2023] [Indexed: 04/28/2023]
Abstract
Uncovering the molecular mechanism of shell formation not only reveals the evolution of molluscs but also lay a foundation for shell-inspired biomaterial synthesis. Shell proteins are the key macromolecules of the organic matrices that guide the calcium carbonate deposition during shell mineralization and have thus been intensively studied. However, previous studies on shell biomineralization have mainly focused on marine species. In this study, we compared the microstructure and shell proteins in the apple snail Pomacea canaliculata which is an alien species that has invaded Asia, and a freshwater snail Cipangopaludina chinensis which is native to China. The results showed that although the shell microstructures were similar in these two snails, the shell matrix in C. chinensis contained more polysaccharides. Moreover, the compositions of shell proteins were quite different. While the shared 12 shell proteins (including PcSP6/CcSP9, Calmodulin-A, and proline-rich protein) were supposed to play key roles in shell formation, the differential proteins were mainly immune components. The presence of chitin in both shell matrices and the chitin-binding domains containing PcSP6/CcSP9 underpinned the relevance of chitin as a major fraction in gastropods. Interestingly, carbonic anhydrase was absent in both snail shells, suggesting that freshwater Gastropods might have unique pathways to regulate the calcification process. Our study suggested that shell mineralization might be very different in freshwater and marine molluscs, and therefore, the field should pay more attention to the freshwater species to achieve a more comprehensive insight into biomineralization.
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Affiliation(s)
- Huan Liu
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082, China
| | - Chuang Liu
- College of Oceanography, Hohai University, Xikang Road, Nanjing, Jiangsu 210098, China
| | - Jingliang Huang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082, China.
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Capasso L, Aranda M, Cui G, Pousse M, Tambutté S, Zoccola D. Investigating calcification-related candidates in a non-symbiotic scleractinian coral, Tubastraea spp. Sci Rep 2022; 12:13515. [PMID: 35933557 PMCID: PMC9357087 DOI: 10.1038/s41598-022-17022-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 07/19/2022] [Indexed: 11/23/2022] Open
Abstract
In hermatypic scleractinian corals, photosynthetic fixation of CO2 and the production of CaCO3 are intimately linked due to their symbiotic relationship with dinoflagellates of the Symbiodiniaceae family. This makes it difficult to study ion transport mechanisms involved in the different pathways. In contrast, most ahermatypic scleractinian corals do not share this symbiotic relationship and thus offer an advantage when studying the ion transport mechanisms involved in the calcification process. Despite this advantage, non-symbiotic scleractinian corals have been systematically neglected in calcification studies, resulting in a lack of data especially at the molecular level. Here, we combined a tissue micro-dissection technique and RNA-sequencing to identify calcification-related ion transporters, and other candidates, in the ahermatypic non-symbiotic scleractinian coral Tubastraea spp. Our results show that Tubastraea spp. possesses several calcification-related candidates previously identified in symbiotic scleractinian corals (such as SLC4-γ, AMT-1like, CARP, etc.). Furthermore, we identify and describe a role in scleractinian calcification for several ion transporter candidates (such as SLC13, -16, -23, etc.) identified for the first time in this study. Taken together, our results provide not only insights about the molecular mechanisms underlying non-symbiotic scleractinian calcification, but also valuable tools for the development of biotechnological solutions to better control the extreme invasiveness of corals belonging to this particular genus.
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Affiliation(s)
- Laura Capasso
- Marine Biology Department, Centre Scientifique de Monaco (CSM), 8 Quai Antoine 1er, Monte Carlo, 9800, Monaco
- Sorbonne Université, Collège Doctoral, 75005, Paris, France
| | - Manuel Aranda
- Marine Science Program, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
- Red Sea Research Center Center, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Guoxin Cui
- Marine Science Program, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
- Red Sea Research Center Center, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Melanie Pousse
- Université Côte d'Azur, CNRS, Inserm, Institut for Research On Cancer and Aging, Nice (IRCAN), Medical School of Nice, Nice, France
| | - Sylvie Tambutté
- Marine Biology Department, Centre Scientifique de Monaco (CSM), 8 Quai Antoine 1er, Monte Carlo, 9800, Monaco.
| | - Didier Zoccola
- Marine Biology Department, Centre Scientifique de Monaco (CSM), 8 Quai Antoine 1er, Monte Carlo, 9800, Monaco.
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Salatiello F, Gerdol M, Pallavicini A, Locascio A, Sirakov M. Comparative analysis of novel and common reference genes in adult tissues of the mussel Mytilus galloprovincialis. BMC Genomics 2022; 23:349. [PMID: 35524177 PMCID: PMC9077915 DOI: 10.1186/s12864-022-08553-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 04/14/2022] [Indexed: 11/18/2022] Open
Abstract
Background Real-time quantitative PCR is a widely used method for gene expression analyses in various organisms. Its accuracy mainly relies on the correct selection of reference genes. Any experimental plan involving real-time PCR needs to evaluate the characteristics of the samples to be examined and the relative stability of reference genes. Most studies in mollusks rely on reference genes commonly used in vertebrates. Results In this study, we focused on the transcriptome of the bivalve mollusk Mytilus galloprovincialis in physiological state to identify suitable reference genes in several adult tissues. Candidate genes with highly stable expression across 51 RNA-seq datasets from multiple tissues were selected through genome-wide bioinformatics analysis. This approach led to the identification of three genes (Rpl14, Rpl32 and Rpl34), whose suitability was evaluated together with 7 other reference genes commonly reported in literature (Act, Cyp-A, Ef1α, Gapdh, 18S, 28S and Rps4). The stability analyses performed with geNorm, NormFinder and Bestkeeper identified specific either single or pairs of genes suitable as references for gene expression analyses in specific tissues and revealed the Act/Cyp-A pair as the most appropriate to analyze gene expression across different tissues. Conclusion Mytilus galloprovincialis is a model system increasingly used in ecotoxicology and molecular studies. Our transcriptome-wide approach represents the first comprehensive investigation aimed at the identification of suitable reference genes for expression studies in this species. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08553-1.
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Affiliation(s)
- Federica Salatiello
- Stazione Zoologica Anton Dohrn, Department of Biology and Evolution of Marine Organisms, Villa Comunale 1, 80121, Naples, Italy.,Department of Life Sciences, Università degli Studi di Trieste, Via Licio Giorgieri 5, 34127, Trieste, Italy
| | - Marco Gerdol
- Department of Life Sciences, Università degli Studi di Trieste, Via Licio Giorgieri 5, 34127, Trieste, Italy
| | - Alberto Pallavicini
- Stazione Zoologica Anton Dohrn, Department of Biology and Evolution of Marine Organisms, Villa Comunale 1, 80121, Naples, Italy.,Department of Life Sciences, Università degli Studi di Trieste, Via Licio Giorgieri 5, 34127, Trieste, Italy
| | - Annamaria Locascio
- Stazione Zoologica Anton Dohrn, Department of Biology and Evolution of Marine Organisms, Villa Comunale 1, 80121, Naples, Italy
| | - Maria Sirakov
- Stazione Zoologica Anton Dohrn, Department of Biology and Evolution of Marine Organisms, Villa Comunale 1, 80121, Naples, Italy.
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Song N, Li J, Li B, Pan E, Ma Y. Transcriptome analysis of the bivalve Placuna placenta mantle reveals potential biomineralization-related genes. Sci Rep 2022; 12:4743. [PMID: 35304539 PMCID: PMC8933548 DOI: 10.1038/s41598-022-08610-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 03/04/2022] [Indexed: 01/31/2023] Open
Abstract
The shells of window pane oyster Placuna placenta are very thin and exhibit excellent optical transparency and mechanical robustness. However, little is known about the biomineralization-related proteins of the shells of P. placenta. In this work, we report the comprehensive transcriptome of the mantle tissue of P. placenta for the first time. The unigenes of the mantle tissue of P. placenta were annotated by using the public databases such as nr, GO, KOG, KEGG, and Pfam. 24,343 unigenes were annotated according to Pfam database, accounting for 21.48% of the total unigenes. We find that half of the annotated unigenes of the mantle tissue of P. placenta are consistent to the annotated unigenes from pacific oyster Crassostrea gigas according to nr database. The unigene sequence analysis from the mantle tissue of P. placenta indicates that 465,392 potential single nucleotide polymorphisms (SNPs) and 62,103 potential indel markers were identified from 60,371 unigenes. 178 unigenes of the mantle tissue of P. placenta are found to be homologous to those reported proteins related to the biomineralization process of molluscan shells, while 18 of them are highly expressed unigenes in the mantle tissue. It is proposed that four unigenes with the highest expression levels in the mantle tissue are very often related to the biomineralization process, while another three unigenes are potentially related to the biomineralization process according to the Quantitative Real-Time Polymerase Chain Reaction (qRT-PCR) analysis. In summary, the transcriptome analysis of the mantle tissue of P. Placenta shows the potential biomineralization-related proteins and this work may shed light for the shell formation mechanism of bivalves.
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Affiliation(s)
- Ningjing Song
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Jiangfeng Li
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Baosheng Li
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Ercai Pan
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Yurong Ma
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China.
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Sato K, Setiamarga DHE, Yonemitsu H, Higuchi K. Microstructural and Genetic Insights Into the Formation of the “Winter Diffusion Layer” in Japanese Pearl Oyster Pinctada fucata and Its Relation to Environmental Temperature Changes. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.794287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Phenotypic plasticity in molluscan shell microstructures may be related to environmental changes. The “winter diffusion layer,” a shell microstructure of the Japanese pearl oyster Pinctada fucata, is an example of this phenomenon. In this study, we used P. fucata specimens with shared genetic background to evaluate the seasonal plasticity of shell microstructures, at molecular level. To detect the seasonal changes in shell microstructure and mineral composition, shells of multiple individuals were periodically collected and analyzed using scanning electron microscopy and Raman spectrophotometry. Our observations of the winter diffusion layer revealed that this irregular shell layer, located between the outer and middle shell layers, had a sphenoid shape in radial section. This distinct shape might be caused by the internal extension of the outer shell layer resulting from growth halts. The winter diffusion layer could be distinguished from the calcitic outer shell layer by its aragonitic components and microstructures. Moreover, the components of the winter diffusion layer were irregular simple prismatic (the outer and inner sublayers) and homogeneous structures (the middle sublayer). This irregular formation occurred until April, when the animals resumed their “normal” shell formation after hibernation. To check for a correlation between gene expression and the changes in microstructures, we conducted qPCR of seven major biomineralization-related shell matrix protein-coding genes (aspein, prismalin-14, msi7, msi60, nacrein, n16, and n19) in the shell-forming mantle tissue. Tissue samples were collected from the mantle edge (tissue secreting the outer shell layer) and mantle pallium (where the middle shell layer is constructed) of the same individuals used for microstructural observation and mineral identification that were collected in January (winter growth break period), April (irregular shell formation period), and August (normal shell formation period). Statistically significant differences in gene expression levels were observed between mantle edge and mantle pallium, but no seasonal differences were detected in the seasonal expression patterns of these genes. These results suggest that the formation of the irregular shell layer in P. fucata is caused by a currently unknown genetic mechanism unrelated to the genes targeted in the present study. Further studies using big data (transcriptomics and manipulation of gene expression) are required to answer the questions herein raised. Nevertheless, the results herein presented are essential to unravel the intriguing mystery of the formation of the winter diffusion layer, which may allow us to understand how marine mollusks adapt or acclimate to climate changes.
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Mussels Repair Shell Damage despite Limitations Imposed by Ocean Acidification. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2022. [DOI: 10.3390/jmse10030359] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Bivalves frequently withstand shell damage that must be quickly repaired to ensure survival. While the processes that underlie larval shell development have been extensively studied within the context of ocean acidification (OA), it remains unclear whether shell repair is impacted by elevated pCO2. To better understand the stereotypical shell repair process, we monitored mussels (Mytilus edulis) with sublethal shell damage that breached the mantle cavity within both field and laboratory conditions to characterize the deposition rate, composition, and integrity of repaired shell. Results were then compared with a laboratory experiment wherein mussels (Mytilus trossulus) repaired shell damage in one of seven pCO2 treatments (400–2500 µatm). Shell repair proceeded through distinct stages; an organic membrane first covered the damaged area (days 1–15), followed by the deposition of calcite crystals (days 22–43) and aragonite tablets (days 51–69). OA did not impact the ability of mussels to close drill holes, nor the microstructure, composition, or integrity of end-point repaired shell after 10 weeks, as measured by µCT and SEM imaging, energy-dispersive X-ray (EDX) analysis, and mechanical testing. However, significant interactions between pCO2, the length of exposure to treatment conditions, the strength and inorganic content of shell, and the physiological condition of mussels within OA treatments were observed. These results suggest that while OA does not prevent adult mussels from repairing or mineralizing shell, both OA and shell damage may elicit stress responses that impose energetic constraints on mussel physiology.
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Peng M, Liu Z, Li Z, Qian S, Liu X, Li J. The temptin gene of the clade Lophotrochozoa is involved in formation of the prismatic layer during biomineralization in molluscs. Int J Biol Macromol 2021; 188:800-810. [PMID: 34339790 DOI: 10.1016/j.ijbiomac.2021.07.164] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 07/25/2021] [Accepted: 07/26/2021] [Indexed: 11/18/2022]
Abstract
The biomineralization mechanism of mollusc shell has been studied for a long time, but there is a lack of understanding about the relationship between the shell formation in vitro and the signaling system in vivo. In this study, we cloned a novel shell matrix protein gene (hc-temptin), which only be characterized as a water-borne protein pheromone of molluscs in previous studies, from the freshwater mussel Hyriopsis cumingii. By bioinformatics analysis we found that temptin was a gene unique to the clade Lophotrochozoa, and it exists in all mollusc taxa except Cephalopoda. The current data supported the premise that temptin was generated in the early emergence of molluscs and that it maintained a high mutation rate to evolve relative independently. The specificity of hc-temptin expression in the mantle tissue suggests its potential to participate in biomineralization. Its sequence contained typical Ca2+ binding sites. Our experiments involving the pearl formation process, damaged shell repair process, and RNAi experiment showed that hc-temptin was a shell matrix protein that plays an important role in formation of the prismatic layer. The results of this study provided new insights about the origin of the temptin gene and its role in molluscs.
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Affiliation(s)
- Maoxiao Peng
- Key Laboratory of Freshwater Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Agriculture, Shanghai 201306, China
| | - Zhenming Liu
- Key Laboratory of Freshwater Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Agriculture, Shanghai 201306, China
| | - Zhi Li
- Key Laboratory of Freshwater Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Agriculture, Shanghai 201306, China
| | | | - Xiaojun Liu
- Department of Biotechnology and Biomedicine, Yangtze Delta Region Institute of Tsinghua University, Zhejiang 314000, China.
| | - Jiale Li
- Key Laboratory of Freshwater Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Agriculture, Shanghai 201306, China.
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Rivera-Pérez C, Hernández-Saavedra NY. Review: Post-translational modifications of marine shell matrix proteins. Comp Biochem Physiol B Biochem Mol Biol 2021; 256:110641. [PMID: 34182126 DOI: 10.1016/j.cbpb.2021.110641] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 05/13/2021] [Accepted: 06/22/2021] [Indexed: 11/18/2022]
Abstract
Shell matrix proteins (SMPs) are key components for the Mollusk shell biomineralization. SMPs function has been hypothesized in several proteins by bioinformatics analysis, and through in vitro crystallization assays. However, studies of the post-translational modifications (PTMs) of SMPs, which contribute to their structure and the function, are limited. This review provides the current status of the SMPs with the most common PTMs described (glycosylation, phosphorylation, and disulfide bond formation) and their role in shell biomineralization. Also, recent studies based on recombinant production of SMPs are discussed. Finally, recommendations for the study of SMPs and their PTMs are provided. The review showed that PTMs are widely distributed in SMPs, and their presence on SMPs may contribute to the modulation of their activity in some SMPs, contributing to the crystal growth formation and differentiation through different mechanisms, however, in a few cases the lack of the PTMs do not alter their inherent function.
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Affiliation(s)
- Crisalejandra Rivera-Pérez
- CONACYT, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), La Paz, Baja California Sur, Mexico.
| | - Norma Y Hernández-Saavedra
- Molecular Genetics Laboratory, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), La Paz 23096, Baja California Sur, Mexico
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Yarra T, Ramesh K, Blaxter M, Hüning A, Melzner F, Clark MS. Transcriptomic analysis of shell repair and biomineralization in the blue mussel, Mytilus edulis. BMC Genomics 2021; 22:437. [PMID: 34112105 PMCID: PMC8194122 DOI: 10.1186/s12864-021-07751-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 05/27/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Biomineralization by molluscs involves regulated deposition of calcium carbonate crystals within a protein framework to produce complex biocomposite structures. Effective biomineralization is a key trait for aquaculture, and animal resilience under future climate change. While many enzymes and structural proteins have been identified from the shell and in mantle tissue, understanding biomieralization is impeded by a lack of fundamental knowledge of the genes and pathways involved. In adult bivalves, shells are secreted by the mantle tissue during growth, maintenance and repair, with the repair process, in particular, amenable to experimental dissection at the transcriptomic level in individual animals. RESULTS Gene expression dynamics were explored in the adult blue mussel, Mytilus edulis, during experimentally induced shell repair, using the two valves of each animal as a matched treatment-control pair. Gene expression was assessed using high-resolution RNA-Seq against a de novo assembled database of functionally annotated transcripts. A large number of differentially expressed transcripts were identified in the repair process. Analysis focused on genes encoding proteins and domains identified in shell biology, using a new database of proteins and domains previously implicated in biomineralization in mussels and other molluscs. The genes implicated in repair included many otherwise novel transcripts that encoded proteins with domains found in other shell matrix proteins, as well as genes previously associated with primary shell formation in larvae. Genes with roles in intracellular signalling and maintenance of membrane resting potential were among the loci implicated in the repair process. While haemocytes have been proposed to be actively involved in repair, no evidence was found for this in the M. edulis data. CONCLUSIONS The shell repair experimental model and a newly developed shell protein domain database efficiently identified transcripts involved in M. edulis shell production. In particular, the matched pair analysis allowed factoring out of much of the inherent high level of variability between individual mussels. This snapshot of the damage repair process identified a large number of genes putatively involved in biomineralization from initial signalling, through calcium mobilization to shell construction, providing many novel transcripts for future in-depth functional analyses.
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Affiliation(s)
- Tejaswi Yarra
- Ashworth Laboratories, University of Edinburgh, Institute of Evolutionary Biology, Charlotte Auerbach Road, EH9 3FL, Edinburgh, UK
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, CB3 0ET, Cambridge, UK
| | - Kirti Ramesh
- GEOMAR Helmholtz Centre for Ocean Research, 24105, Kiel, Germany
| | - Mark Blaxter
- Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, CB10 1SA, Saffron Walden, UK
| | - Anne Hüning
- GEOMAR Helmholtz Centre for Ocean Research, 24105, Kiel, Germany
| | - Frank Melzner
- GEOMAR Helmholtz Centre for Ocean Research, 24105, Kiel, Germany
| | - Melody S Clark
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, CB3 0ET, Cambridge, UK.
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Takeuchi T, Fujie M, Koyanagi R, Plasseraud L, Ziegler-Devin I, Brosse N, Broussard C, Satoh N, Marin F. The 'Shellome' of the Crocus Clam Tridacna crocea Emphasizes Essential Components of Mollusk Shell Biomineralization. Front Genet 2021; 12:674539. [PMID: 34168677 PMCID: PMC8217771 DOI: 10.3389/fgene.2021.674539] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/13/2021] [Indexed: 01/31/2023] Open
Abstract
Molluscan shells are among the most fascinating research objects because of their diverse morphologies and textures. The formation of these delicate biomineralized structures is a matrix-mediated process. A question that arises is what are the essential components required to build these exoskeletons. In order to understand the molecular mechanisms of molluscan shell formation, it is crucial to identify organic macromolecules in different shells from diverse taxa. In the case of bivalves, however, taxon sampling in previous shell proteomics studies are focused predominantly on representatives of the class Pteriomorphia such as pearl oysters, edible oysters and mussels. In this study, we have characterized the shell organic matrix from the crocus clam, Tridacna crocea, (Heterodonta) using various biochemical techniques, including SDS-PAGE, FT-IR, monosaccharide analysis, and enzyme-linked lectin assay (ELLA). Furthermore, we have identified a number of shell matrix proteins (SMPs) using a comprehensive proteomics approach combined to RNA-seq. The biochemical studies confirmed the presence of proteins, polysaccharides, and sulfates in the T. crocea shell organic matrix. Proteomics analysis revealed that the majority of the T. crocea SMPs are novel and dissimilar to known SMPs identified from the other bivalve species. Meanwhile, the SMP repertoire of the crocus clam also includes proteins with conserved functional domains such as chitin-binding domain, VWA domain, and protease inhibitor domain. We also identified BMSP (Blue Mussel Shell Protein, originally reported from Mytilus), which is widely distributed among molluscan shell matrix proteins. Tridacna SMPs also include low-complexity regions (LCRs) that are absent in the other molluscan genomes, indicating that these genes may have evolved in specific lineage. These results highlight the diversity of the organic molecules – in particular proteins – that are essential for molluscan shell formation.
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Affiliation(s)
- Takeshi Takeuchi
- Marine Genomics Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, Japan
| | - Manabu Fujie
- DNA Sequencing Section, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, Japan
| | - Ryo Koyanagi
- DNA Sequencing Section, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, Japan
| | - Laurent Plasseraud
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302, Faculté des Sciences Mirande, Université de Bourgogne - Franche-Comté (UBFC), Dijon, France
| | - Isabelle Ziegler-Devin
- LERMAB, Faculté des Sciences et Technologies - Campus Aiguillettes, Université de Lorraine, Vandoeuvre-Lès-Nancy, France
| | - Nicolas Brosse
- LERMAB, Faculté des Sciences et Technologies - Campus Aiguillettes, Université de Lorraine, Vandoeuvre-Lès-Nancy, France
| | - Cédric Broussard
- 3P5 Proteomic Platform, Cochin Institute, University of Paris, INSERM U1016, CNRS UMR 8104, Paris, France
| | - Noriyuki Satoh
- Marine Genomics Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, Japan
| | - Frédéric Marin
- UMR CNRS 6282 Biogéosciences, Bâtiment des Sciences Gabriel, Université de Bourgogne - Franche-Comté (UBFC), Dijon, France
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Abstract
Mollusc shells are a result of the deposition of crystalline and amorphous calcite catalysed by enzymes and shell matrix proteins. Developing a detailed understanding of bivalve mollusc biomineralization pathways is complicated not only by the multiplicity of shell forms and microstructures in this class, but also by the evolution of associated proteins by domain co-option and domain shuffling. In spite of this, a minimal biomineralization toolbox comprising proteins and protein domains critical for shell production across species has been identified. Using a matched pair design to reduce experimental noise from inter-individual variation, combined with damage-repair experiments and a database of biomineralization shell matrix proteins (SMP) derived from published works, proteins were identified that are likely to be involved in shell calcification. Eighteen new, shared proteins likely to be involved in the processes related to the calcification of shells were identified by analysis of genes expressed during repair in Crassostrea gigas, Mytilus edulis and Pecten maximus. Genes involved in ion transport were also identified as potentially involved in calcification either via the maintenance of cell acid-base balance or transport of critical ions to the extrapallial space, the site of shell assembly. These data expand the number of candidate biomineralization proteins in bivalve molluscs for future functional studies and define a minimal functional protein domain set required to produce solid microstructures from soluble calcium carbonate. This is important for understanding molluscan shell evolution, the likely impacts of environmental change on biomineralization processes, materials science, and biomimicry research.
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Affiliation(s)
- Tejaswi Yarra
- University of Edinburgh, Institute of Evolutionary Biology, Ashworth Laboratories, Charlotte Auerbach Road, Edinburgh, EH9 3FL, UK.,British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
| | - Mark Blaxter
- Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, CB10 1SA, UK
| | - Melody S Clark
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
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14
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Le Roy N, Stapane L, Gautron J, Hincke MT. Evolution of the Avian Eggshell Biomineralization Protein Toolkit - New Insights From Multi-Omics. Front Genet 2021; 12:672433. [PMID: 34046059 PMCID: PMC8144736 DOI: 10.3389/fgene.2021.672433] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 04/08/2021] [Indexed: 11/13/2022] Open
Abstract
The avian eggshell is a remarkable biomineral, which is essential for avian reproduction; its properties permit embryonic development in the desiccating terrestrial environment, and moreover, are critically important to preserve unfertilized egg quality for human consumption. This calcium carbonate (CaCO3) bioceramic is made of 95% calcite and 3.5% organic matrix; it protects the egg contents against microbial penetration and mechanical damage, allows gaseous exchange, and provides calcium for development of the embryonic skeleton. In vertebrates, eggshell occurs in the Sauropsida and in a lesser extent in Mammalia taxa; avian eggshell calcification is one of the fastest known CaCO3 biomineralization processes, and results in a material with excellent mechanical properties. Thus, its study has triggered a strong interest from the researcher community. The investigation of eggshell biomineralization in birds over the past decades has led to detailed characterization of its protein and mineral constituents. Recently, our understanding of this process has been significantly improved using high-throughput technologies (i.e., proteomics, transcriptomics, genomics, and bioinformatics). Presently, more or less complete eggshell proteomes are available for nine birds, and therefore, key proteins that comprise the eggshell biomineralization toolkit are beginning to be identified. In this article, we review current knowledge on organic matrix components from calcified eggshell. We use these data to analyze the evolution of selected matrix proteins and underline their role in the biological toolkit required for eggshell calcification in avian species. Amongst the panel of eggshell-associated proteins, key functional domains are present such as calcium-binding, vesicle-binding and protein-binding. These technical advances, combined with progress in mineral ultrastructure analyses, have opened the way for new hypotheses of mineral nucleation and crystal growth in formation of the avian eggshell, including transfer of amorphous CaCO3 in vesicles from uterine cells to the eggshell mineralization site. The enrichment of multi-omics datasets for bird species is critical to understand the evolutionary context for development of CaCO3 biomineralization in metazoans, leading to the acquisition of the robust eggshell in birds (and formerly dinosaurs).
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Affiliation(s)
| | | | | | - Maxwell T Hincke
- Department of Innovation in Medical Education, University of Ottawa, Ottawa, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
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15
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The mantle exosome proteins of Hyriopsis cumingii participate in shell and nacre color formation. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2021; 39:100844. [PMID: 33971400 DOI: 10.1016/j.cbd.2021.100844] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 03/30/2021] [Accepted: 04/23/2021] [Indexed: 12/13/2022]
Abstract
Pearl color is closely related to the nacre color of shell in Hyriopsis cumingii, and pearl color has a huge impact on its price. The nacre is an important part of the shell, and studies have suggested that mantle exosomes participated in shell formation. Exosomes contain many different proteins that are involved in different biological processes. In this study, exosomes were extracted from mantles of mussels with different nacre color. TMT quantitative proteome sequencing analysis was performed on purple and white mussel mantle exosomes, and 4861 proteins were obtained. Based on the standard of (|log2 (Fold change)| ≥ 1.2 or ≤ 0.83 and p-value ≤ 0.05), a total of 758 differentially expressed proteins were found. Some proteins involved in shell and nacre color formation were predicted with the proteins annotate, GO classification system. Moreover, 14 differentially expressed proteins (including eight up-regulated proteins and six down-regulated proteins) were validated using parallel reaction monitoring (PRM) assays. Overall, this information will be useful to improve our understanding of the molecular mechanisms of shell and nacre color formation in H. cumingii.
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16
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Le Roy N, Ganot P, Aranda M, Allemand D, Tambutté S. The skeletome of the red coral Corallium rubrum indicates an independent evolution of biomineralization process in octocorals. BMC Ecol Evol 2021; 21:1. [PMID: 33514311 PMCID: PMC7853314 DOI: 10.1186/s12862-020-01734-0] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 12/13/2020] [Indexed: 12/16/2022] Open
Abstract
Background The process of calcium carbonate biomineralization has arisen multiple times during metazoan evolution. In the phylum Cnidaria, biomineralization has mostly been studied in the subclass Hexacorallia (i.e. stony corals) in comparison to the subclass Octocorallia (i.e. red corals); the two diverged approximately 600 million years ago. The precious Mediterranean red coral, Corallium rubrum, is an octocorallian species, which produces two distinct high-magnesium calcite biominerals, the axial skeleton and the sclerites. In order to gain insight into the red coral biomineralization process and cnidarian biomineralization evolution, we studied the protein repertoire forming the organic matrix (OM) of its two biominerals. Results We combined High-Resolution Mass Spectrometry and transcriptome analysis to study the OM composition of the axial skeleton and the sclerites. We identified a total of 102 OM proteins, 52 are found in the two red coral biominerals with scleritin being the most abundant protein in each fraction. Contrary to reef building corals, the red coral organic matrix possesses a large number of collagen-like proteins. Agrin-like glycoproteins and proteins with sugar-binding domains are also predominant. Twenty-seven and 23 proteins were uniquely assigned to the axial skeleton and the sclerites, respectively. The inferred regulatory function of these OM proteins suggests that the difference between the two biominerals is due to the modeling of the matrix network, rather than the presence of specific structural components. At least one OM component could have been horizontally transferred from prokaryotes early during Octocorallia evolution. Conclusion Our results suggest that calcification of the red coral axial skeleton likely represents a secondary calcification of an ancestral gorgonian horny axis. In addition, the comparison with stony coral skeletomes highlighted the low proportion of similar proteins between the biomineral OMs of hexacorallian and octocorallian corals, suggesting an independent acquisition of calcification in anthozoans.
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Affiliation(s)
- Nathalie Le Roy
- Centre Scientifique de Monaco, 8 Quai Antoine 1er, Monaco, MC, 98000, Monaco. .,BOA UMR83, INRAe Centre Val de Loire, 37380, Nouzilly, France.
| | - Philippe Ganot
- Centre Scientifique de Monaco, 8 Quai Antoine 1er, Monaco, MC, 98000, Monaco
| | - Manuel Aranda
- Red Sea Research Center, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Denis Allemand
- Centre Scientifique de Monaco, 8 Quai Antoine 1er, Monaco, MC, 98000, Monaco
| | - Sylvie Tambutté
- Centre Scientifique de Monaco, 8 Quai Antoine 1er, Monaco, MC, 98000, Monaco
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17
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Zhao R, Takeuchi T, Koyanagi R, Villar-Briones A, Yamada L, Sawada H, Ishikawa A, Iwanaga S, Nagai K, Che Y, Satoh N, Endo K. Phylogenetic comparisons reveal mosaic histories of larval and adult shell matrix protein deployment in pteriomorph bivalves. Sci Rep 2020; 10:22140. [PMID: 33335265 PMCID: PMC7747718 DOI: 10.1038/s41598-020-79330-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 12/01/2020] [Indexed: 11/08/2022] Open
Abstract
Molluscan shells are organo-mineral composites, in which the dominant calcium carbonate is intimately associated with an organic matrix comprised mainly of proteins and polysaccharides. However, whether the various shell matrix proteins (SMPs) date to the origin of hard skeletons in the Cambrian, or whether they represent later deployment through adaptive evolution, is still debated. In order to address this issue and to better understand the origins and evolution of biomineralization, phylogenetic analyses have been performed on the three SMP families, Von Willebrand factor type A (VWA) and chitin-binding domain-containing protein (VWA-CB dcp), chitobiase, and carbonic anhydrase (CA), which exist in both larval and adult shell proteomes in the bivalves, Crassostrea gigas and Pinctada fucata. In VWA-CB dcp and chitobiase, paralogs for larval and adult SMPs evolved before the divergence of these species. CA-SMPs have been taken as evidence for ancient origins of SMPs by their presumed indispensable function in biomineralization and ubiquitous distribution in molluscs. However, our results indicate gene duplications that gave rise to separate deployments as larval and adult CA-SMPs occurred independently in each lineage after their divergence, which is considerably more recent than hitherto assumed, supporting the "recent heritage and fast evolution" scenario for SMP evolution.
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Affiliation(s)
- Ran Zhao
- Department of Earth and Planetary Science, Graduate School of Science, University of Tokyo, Bunkyo-ku, Tokyo, 113-0033, Japan.
- Department of Biology, Shenzhen MSU-BIT University, 1 International University Park Road, Dayun New Town, Longgang District, Shenzhen, Guangdong Province, People's Republic of China.
| | - Takeshi Takeuchi
- Marine Genomics Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, 904-0495, Japan
| | - Ryo Koyanagi
- DNA Sequencing Section, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, 904-0495, Japan
| | - Alejandro Villar-Briones
- Instrumental Analysis Section, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, 904-0495, Japan
| | - Lixy Yamada
- Sugashima Marine Biological Laboratory, Graduate School of Science, Nagoya University, Sugashima, Toba, 517-0004, Japan
| | - Hitoshi Sawada
- Sugashima Marine Biological Laboratory, Graduate School of Science, Nagoya University, Sugashima, Toba, 517-0004, Japan
| | - Akito Ishikawa
- Department of Earth and Planetary Science, Graduate School of Science, University of Tokyo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Shunsuke Iwanaga
- Nagasaki Prefectural Institute of Fisheries, Nagasaki, Nagasaki, 851-2213, Japan
| | - Kiyohito Nagai
- Pearl Research Institute, Mikimoto Co., Ltd, Shima, Mie, 517-0403, Japan
| | - Yuqi Che
- Department of Biology, Shenzhen MSU-BIT University, 1 International University Park Road, Dayun New Town, Longgang District, Shenzhen, Guangdong Province, People's Republic of China
| | - Noriyuki Satoh
- Marine Genomics Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, 904-0495, Japan
| | - Kazuyoshi Endo
- Department of Earth and Planetary Science, Graduate School of Science, University of Tokyo, Bunkyo-ku, Tokyo, 113-0033, Japan
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18
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Sun Q, Jiang Y, Fan M, Zhang X, Xu H, Liao Z. Characterization of a novel shell matrix protein with vWA domain from Mytilus coruscus. Biosci Biotechnol Biochem 2020; 84:1629-1644. [PMID: 32314940 DOI: 10.1080/09168451.2020.1756735] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Mollusk shell is a product of biomineralization with excellent mechanical properties, and the shell matrix proteins (SMPs) have important functions in shell formation. A vWA domain-containing protein (VDCP) was identified from the shell of Mytilus coruscus as a novel shell matrix protein. The VDCP gene is expressed at a high level in specific locations in the mantle and adductor muscle. Recombinant VDCP (rVDCP) showed abilities to alter the morphology of both calcite and aragonite, induce the polymorph change of calcite, bind calcite, and decrease the crystallization rate of calcite. In addition, immunohistochemistry analyses revealed the specific location of VDCP in the mantle, the adductor muscle, and the myostracum layer of the shell. Furthermore, a pull-down analysis revealed eight protein interaction partners of VDCP in shell matrices and provided a possible protein-protein interaction network of VDCP in the shell.
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Affiliation(s)
- Qi Sun
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University , Zhoushan City, Zhejiang, China
| | - Yuting Jiang
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University , Zhoushan City, Zhejiang, China
| | - Meihua Fan
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University , Zhoushan City, Zhejiang, China
| | - Xiaolin Zhang
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University , Zhoushan City, Zhejiang, China
| | - Huanzhi Xu
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University , Zhoushan City, Zhejiang, China
| | - Zhi Liao
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University , Zhoushan City, Zhejiang, China
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19
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Molecular characterization of a whirlin-like protein with biomineralization-related functions from the shell of Mytilus coruscus. PLoS One 2020; 15:e0231414. [PMID: 32267882 PMCID: PMC7141649 DOI: 10.1371/journal.pone.0231414] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 03/23/2020] [Indexed: 11/19/2022] Open
Abstract
Mollusc shells are produced from calcified skeletons and have excellent mechanical properties. Shell matrix proteins (SMPs) have important functions in shell formation. A 16.6 kDa whirlin-like protein (WLP) with a PDZ domain was identified in the shell of Mytilus coruscus as a novel SMP. In this study, the expression, function, and location of WLP were analysed. The WLP gene was highly expressed and specifically located in the adductor muscle and mantle. The expression of recombinant WLP (rWLP) was associated with morphological change, polymorphic change, binding ability, and crystallization rate inhibition of the calcium carbonate crystals in vitro. In addition, an anti-rWLP antibody was prepared, and the results from immunohistochemistry and immunofluorescence analyses revealed the specific location of the WLP in the mantle, adductor muscle, and myostracum layer of the shell, suggesting multiple functions for WLP in biomineralization, muscle-shell attachment, and muscle attraction. Furthermore, results from a pull-down analysis revealed 10 protein partners of WLP in the shell matrices and a possible network of interacting WLPs in the shell. In addition, in this study, one of the WLP partners, actin, was confirmed to have the ability to bind WLP. These results expand the understanding of the functions of PDZ-domain-containing proteins in biomineralization and provide clues for determining the mechanisms of myostracum formation and muscle-shell attachment.
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Sakalauskaite J, Plasseraud L, Thomas J, Albéric M, Thoury M, Perrin J, Jamme F, Broussard C, Demarchi B, Marin F. The shell matrix of the european thorny oyster, Spondylus gaederopus: microstructural and molecular characterization. J Struct Biol 2020; 211:107497. [PMID: 32220629 DOI: 10.1016/j.jsb.2020.107497] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 03/20/2020] [Accepted: 03/22/2020] [Indexed: 11/18/2022]
Abstract
Molluscs, the largest marine phylum, display extraordinary shell diversity and sophisticated biomineral architectures. However, mineral-associated biomolecules involved in biomineralization are still poorly characterised. We report the first comprehensive structural and biomolecular study of Spondylus gaederopus, a pectinoid bivalve with a peculiar shell texture. Used since prehistoric times, this is the best-known shell of Europe's cultural heritage. We find that Spondylus microstructure is very poor in mineral-bound organics, which are mostly intercrystalline and concentrated at the interface between structural layers. Using high-resolution liquid chromatography tandem mass spectrometry (LC-MS/MS) we characterized several shell protein fractions, isolated following different bleaching treatments. Several peptides were identified as well as six shell proteins, which display features and domains typically found in biomineralized tissues, including the prevalence of intrinsically disordered regions. It is very likely that these sequences only partially represent the full proteome of Spondylus, considering the lack of genomics data for this genus and the fact that most of the reconstructed peptides do not match with any known shell proteins, representing consequently lineage-specific sequences. This work sheds light onto the shell matrix involved in the biomineralization in spondylids. Our proteomics data suggest that Spondylus has evolved a shell-forming toolkit, distinct from that of other better studied pectinoids - fine-tuned to produce shell structures with high mechanical properties, while limited in organic content. This study therefore represents an important milestone for future studies on biomineralized skeletons and provides the first reference dataset for forthcoming molecular studies of Spondylus archaeological artifacts.
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Affiliation(s)
- Jorune Sakalauskaite
- Department of Life Sciences and Systems Biology, University of Turin, Via Accademia Albertina 13, 10123 Turin, Italy; Biogeosciences, UMR CNRS 6282, University of Burgundy-Franche-Comté (UBFC), 6 Boulevard Gabriel, 21000 Dijon, France.
| | - Laurent Plasseraud
- Institute of Molecular Chemistry, ICMUB UMR CNRS 6302, University of Burgundy-Franche-Comté (UBFC), 9 Avenue Alain Savary, 21000 Dijon, France
| | - Jérôme Thomas
- Biogeosciences, UMR CNRS 6282, University of Burgundy-Franche-Comté (UBFC), 6 Boulevard Gabriel, 21000 Dijon, France
| | - Marie Albéric
- Laboratoire Chimie de la Matière Condensée de Paris, UMR, CNRS 7574, Sorbonne Université, Place Jussieu 4, 75252 Paris, France
| | - Mathieu Thoury
- IPANEMA, CNRS, ministère de la Culture, UVSQ, USR3461, Université Paris-Saclay, F-91192 Gif-sur-Yvette, France
| | - Jonathan Perrin
- Synchrotron SOLEIL, L'Orme des Merisiers, 91192 Gif sur Yvette Cedex, France
| | - Frédéric Jamme
- Synchrotron SOLEIL, L'Orme des Merisiers, 91192 Gif sur Yvette Cedex, France
| | - Cédric Broussard
- 3P5 Proteomic Platform, University of Paris, Cochin Institute, INSERM, U1016, CNRS, UMR8104, F-75014 Paris, France
| | - Beatrice Demarchi
- Department of Life Sciences and Systems Biology, University of Turin, Via Accademia Albertina 13, 10123 Turin, Italy
| | - Frédéric Marin
- Biogeosciences, UMR CNRS 6282, University of Burgundy-Franche-Comté (UBFC), 6 Boulevard Gabriel, 21000 Dijon, France.
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21
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Proteomic investigation of the blue mussel larval shell organic matrix. J Struct Biol 2019; 208:107385. [DOI: 10.1016/j.jsb.2019.09.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 09/04/2019] [Accepted: 09/06/2019] [Indexed: 11/22/2022]
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22
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Crystal growth kinetics as an architectural constraint on the evolution of molluscan shells. Proc Natl Acad Sci U S A 2019; 116:20388-20397. [PMID: 31551265 PMCID: PMC6789867 DOI: 10.1073/pnas.1907229116] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Using notions from classic materials science, we expand our understanding of the macroscopic morphospace of possible molluscan shell shapes to the level of possible ultrastructures that comprise them. This provides us with a unique opportunity to explore this morphospace using well-developed analytical, theoretical, and numerical tools and to test the effects of a discrete number of parameters on shell biomineralization. The physical model presented here sheds a new light on the evolutionary aspect of molluscan shell ultrastructural fabrication and suggests that the repeated “discovery” of some mineral morphologies partially reflects a series of architectural constraints provided by biomineral growth kinetics. Molluscan shells are a classic model system to study formation–structure–function relationships in biological materials and the process of biomineralized tissue morphogenesis. Typically, each shell consists of a number of highly mineralized ultrastructures, each characterized by a specific 3D mineral–organic architecture. Surprisingly, in some cases, despite the lack of a mutual biochemical toolkit for biomineralization or evidence of homology, shells from different independently evolved species contain similar ultrastructural motifs. In the present study, using a recently developed physical framework, which is based on an analogy to the process of directional solidification and simulated by phase-field modeling, we compare the process of ultrastructural morphogenesis of shells from 3 major molluscan classes: A bivalve Unio pictorum, a cephalopod Nautilus pompilius, and a gastropod Haliotis asinina. We demonstrate that the fabrication of these tissues is guided by the organisms by regulating the chemical and physical boundary conditions that control the growth kinetics of the mineral phase. This biomineralization concept is postulated to act as an architectural constraint on the evolution of molluscan shells by defining a morphospace of possible shell ultrastructures that is bounded by the thermodynamics and kinetics of crystal growth.
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23
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Zhao R, Takeuchi T, Luo YJ, Ishikawa A, Kobayashi T, Koyanagi R, Villar-Briones A, Yamada L, Sawada H, Iwanaga S, Nagai K, Satoh N, Endo K. Dual Gene Repertoires for Larval and Adult Shells Reveal Molecules Essential for Molluscan Shell Formation. Mol Biol Evol 2019; 35:2751-2761. [PMID: 30169718 PMCID: PMC6231486 DOI: 10.1093/molbev/msy172] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Molluscan shells, mainly composed of calcium carbonate, also contain organic components such as proteins and polysaccharides. Shell organic matrices construct frameworks of shell structures and regulate crystallization processes during shell formation. To date, a number of shell matrix proteins (SMPs) have been identified, and their functions in shell formation have been studied. However, previous studies focused only on SMPs extracted from adult shells, secreted after metamorphosis. Using proteomic analyses combined with genomic and transcriptomic analyses, we have identified 31 SMPs from larval shells of the pearl oyster, Pinctada fucata, and 111 from the Pacific oyster, Crassostrea gigas. Larval SMPs are almost entirely different from those of adults in both species. RNA-seq data also confirm that gene expression profiles for larval and adult shell formation are nearly completely different. Therefore, bivalves have two repertoires of SMP genes to construct larval and adult shells. Despite considerable differences in larval and adult SMPs, some functional domains are shared by both SMP repertoires. Conserved domains include von Willebrand factor type A (VWA), chitin-binding (CB), carbonic anhydrase (CA), and acidic domains. These conserved domains are thought to play crucial roles in shell formation. Furthermore, a comprehensive survey of animal genomes revealed that the CA and VWA-CB domain-containing protein families expanded in molluscs after their separation from other Lophotrochozoan linages such as the Brachiopoda. After gene expansion, some family members were co-opted for molluscan SMPs that may have triggered to develop mineralized shells from ancestral, nonmineralized chitinous exoskeletons.
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Affiliation(s)
- Ran Zhao
- Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Takeshi Takeuchi
- Marine Genomics Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, Japan
| | - Yi-Jyun Luo
- Marine Genomics Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, Japan.,Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA
| | - Akito Ishikawa
- Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Tatsushi Kobayashi
- Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Ryo Koyanagi
- DNA Sequencing Section, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, Japan
| | - Alejandro Villar-Briones
- Instrumental Analysis Section, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, Japan
| | - Lixy Yamada
- Sugashima Marine Biological Laboratory, Graduate School of Science, Nagoya University, Sugashima, Toba, Japan
| | - Hitoshi Sawada
- Sugashima Marine Biological Laboratory, Graduate School of Science, Nagoya University, Sugashima, Toba, Japan
| | | | - Kiyohito Nagai
- Pearl Research Institute, Mikimoto CO., LTD, Shima, Mie, Japan
| | - Noriyuki Satoh
- Marine Genomics Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa, Japan
| | - Kazuyoshi Endo
- Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
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Taxonomic and functional heterogeneity of the gill microbiome in a symbiotic coastal mangrove lucinid species. ISME JOURNAL 2018; 13:902-920. [PMID: 30518817 PMCID: PMC6461927 DOI: 10.1038/s41396-018-0318-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 10/23/2018] [Accepted: 11/04/2018] [Indexed: 12/28/2022]
Abstract
Lucinidae clams harbor gammaproteobacterial thioautotrophic gill endosymbionts that are environmentally acquired. Thioautotrophic lucinid symbionts are related to metabolically similar symbionts associated with diverse marine host taxa and fall into three distinct phylogenetic clades. Most studies on the lucinid–bacteria chemosymbiosis have been done with seagrass-dwelling hosts, whose symbionts belong to the largest phylogenetic clade. In this study, we examined the taxonomy and functional repertoire of bacterial endosymbionts at an unprecedented resolution from Phacoides pectinatus retrieved from mangrove-lined coastal sediments, which are underrepresented in chemosymbiosis studies. The P. pectinatus thioautotrophic endosymbiont expressed metabolic gene variants for thioautotrophy, respiration, and nitrogen assimilation distinct from previously characterized lucinid thioautotrophic symbionts and other marine symbionts. At least two other bacterial species with different metabolisms were also consistently identified in the P. pectinatus gill microbiome, including a Kistimonas-like species and a Spirochaeta-like species. Bacterial transcripts involved in adhesion, growth, and virulence and mixotrophy were highly expressed, as were host-related hemoglobin and lysozyme transcripts indicative of sulfide/oxygen/CO2 transport and bactericidal activity. This study suggests the potential roles of P. pectinatus and its gill microbiome species in mangrove sediment biogeochemistry and offers insights into host and microbe metabolisms in the habitat.
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Mann K, Cerveau N, Gummich M, Fritz M, Mann M, Jackson DJ. In-depth proteomic analyses of Haliotis laevigata (greenlip abalone) nacre and prismatic organic shell matrix. Proteome Sci 2018; 16:11. [PMID: 29983641 PMCID: PMC6003135 DOI: 10.1186/s12953-018-0139-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 05/25/2018] [Indexed: 01/12/2023] Open
Abstract
Background The shells of various Haliotis species have served as models of invertebrate biomineralization and physical shell properties for more than 20 years. A focus of this research has been the nacreous inner layer of the shell with its conspicuous arrangement of aragonite platelets, resembling in cross-section a brick-and-mortar wall. In comparison, the outer, less stable, calcitic prismatic layer has received much less attention. One of the first molluscan shell proteins to be characterized at the molecular level was Lustrin A, a component of the nacreous organic matrix of Haliotis rufescens. This was soon followed by the C-type lectin perlucin and the growth factor-binding perlustrin, both isolated from H. laevigata nacre, and the crystal growth-modulating AP7 and AP24, isolated from H. rufescens nacre. Mass spectrometry-based proteomics was subsequently applied to to Haliotis biomineralization research with the analysis of the H. asinina shell matrix and yielded 14 different shell-associated proteins. That study was the most comprehensive for a Haliotis species to date. Methods The shell proteomes of nacre and prismatic layer of the marine gastropod Haliotis laevigata were analyzed combining mass spectrometry-based proteomics and next generation sequencing. Results We identified 297 proteins from the nacreous shell layer and 350 proteins from the prismatic shell layer from the green lip abalone H. laevigata. Considering the overlap between the two sets we identified a total of 448 proteins. Fifty-one nacre proteins and 43 prismatic layer proteins were defined as major proteins based on their abundance at more than 0.2% of the total. The remaining proteins occurred at low abundance and may not play any significant role in shell fabrication. The overlap of major proteins between the two shell layers was 17, amounting to a total of 77 major proteins. Conclusions The H. laevigata shell proteome shares moderate sequence similarity at the protein level with other gastropod, bivalve and more distantly related invertebrate biomineralising proteomes. Features conserved in H. laevigata and other molluscan shell proteomes include short repetitive sequences of low complexity predicted to lack intrinsic three-dimensional structure, and domains such as tyrosinase, chitin-binding, and carbonic anhydrase. This catalogue of H. laevigata shell proteins represents the most comprehensive for a haliotid and should support future efforts to elucidate the molecular mechanisms of shell assembly. Electronic supplementary material The online version of this article (10.1186/s12953-018-0139-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Karlheinz Mann
- 1Abteilung Proteomics und Signaltransduktion, Max-Planck-Institut für Biochemie, Am Klopferspitz 18, D-82152 Martinsried, Germany
| | - Nicolas Cerveau
- 2Department of Geobiology, Georg-August University of Göttingen, Goldschmidstr. 3, 37077 Göttingen, Germany
| | - Meike Gummich
- 3Universität Bremen, Institut für Biophysik, Otto Hahn Allee NW1, D-28334 Bremen, Germany
| | - Monika Fritz
- 3Universität Bremen, Institut für Biophysik, Otto Hahn Allee NW1, D-28334 Bremen, Germany
| | - Matthias Mann
- 1Abteilung Proteomics und Signaltransduktion, Max-Planck-Institut für Biochemie, Am Klopferspitz 18, D-82152 Martinsried, Germany
| | - Daniel J Jackson
- 2Department of Geobiology, Georg-August University of Göttingen, Goldschmidstr. 3, 37077 Göttingen, Germany
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Marie B, Arivalagan J, Mathéron L, Bolbach G, Berland S, Marie A, Marin F. Deep conservation of bivalve nacre proteins highlighted by shell matrix proteomics of the Unionoida Elliptio complanata and Villosa lienosa. J R Soc Interface 2017; 14:rsif.2016.0846. [PMID: 28123096 DOI: 10.1098/rsif.2016.0846] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 12/20/2016] [Indexed: 01/12/2023] Open
Abstract
The formation of the molluscan shell nacre is regulated to a large extent by a matrix of extracellular macromolecules that are secreted by the shell-forming tissue, the mantle. This so-called 'calcifying matrix' is a complex mixture of proteins, glycoproteins and polysaccharides that is assembled and occluded within the mineral phase during the calcification process. Better molecular-level characterization of the substances that regulate nacre formation is still required. Notable advances in expressed tag sequencing of freshwater mussels, such as Elliptio complanata and Villosa lienosa, provide a pre-requisite to further characterize bivalve nacre proteins by a proteomic approach. In this study, we have identified a total of 48 different proteins from the insoluble matrices of the nacre, 31 of which are common to both E. complanata and V. lienosa A few of these proteins, such as PIF, MSI60, CA, shematrin-like, Kunitz-like, LamG, chitin-binding-containing proteins, together with A-, D-, G-, M- and Q-rich proteins, appear to be analogues, if not true homologues, of proteins previously described from the pearl oyster or the edible mussel nacre matrices, thus forming a remarkable list of deeply conserved nacre proteins. This work constitutes a comprehensive nacre proteomic study of non-pteriomorphid bivalves that has enabled us to describe the molecular basis of a deeply conserved biomineralization toolkit among nacreous shell-bearing bivalves, with regard to proteins associated with other shell microstructures, with those of other mollusc classes (gastropods, cephalopods) and, finally, with other lophotrochozoans (brachiopods).
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Affiliation(s)
- Benjamin Marie
- UMR 7245 CNRS/MNHN Molécules de Communications et Adaptations des Micro-organismes, Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris, France
| | - Jaison Arivalagan
- UMR 7245 CNRS/MNHN Molécules de Communications et Adaptations des Micro-organismes, Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris, France
| | - Lucrèce Mathéron
- UMR 7203 CNRS/UPMC/ENS/INSERM Laboratoire des Biomolécules, Institut de Biologie Paris Seine, Université Pierre et Marie Curie, Sorbonne Universités, Paris, France
| | - Gérard Bolbach
- UMR 7203 CNRS/UPMC/ENS/INSERM Laboratoire des Biomolécules, Institut de Biologie Paris Seine, Université Pierre et Marie Curie, Sorbonne Universités, Paris, France
| | - Sophie Berland
- UMR 7208 CNRS/MNHN/UPMC/IRD Biologie des Organismes Aquatiques et Ecosystèmes, Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris, France
| | - Arul Marie
- UMR 7245 CNRS/MNHN Molécules de Communications et Adaptations des Micro-organismes, Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris, France
| | - Frédéric Marin
- UMR 6282 CNRS/uB Biogéosciences, Université de Bourgogne Franche-Comté (UB-FC), Dijon, France
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27
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Shell extracts of the edible mussel and oyster induce an enhancement of the catabolic pathway of human skin fibroblasts, in vitro. Cytotechnology 2017; 69:815-829. [PMID: 28474214 DOI: 10.1007/s10616-017-0096-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 04/09/2017] [Indexed: 01/08/2023] Open
Abstract
Mollusc shells are composed of more than 95% calcium carbonate and less than 5% organic matrix consisting mostly of proteins, glycoproteins and polysaccharides. In this study, we investigated the effects of matrix macromolecular components extracted from the shells of two edible molluscs of economic interest, i.e., the blue mussel Mytilus edulis and the Pacific oyster Crassostrea gigas. The potential biological activities of these organic molecules were analysed on human dermal fibroblasts in primary culture. Our results demonstrate that shell extracts of the two studied molluscs modulate the metabolic activities of the cells. In addition, the extracts caused a decrease of type I collagen and a concomitant increase of active MMP-1, both at the mRNA and the protein levels. Therefore, our results suggest that shell extracts from M. edulis and C. gigas contain molecules that promote the catabolic pathway of human dermal fibroblasts. This work emphasises the potential use of these shell matrices in the context of anti-fibrotic strategies, particularly against scleroderma. More generally, it stresses the usefulness to valorise bivalve shells that are coproducts of shellfish farming activity.
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Feng D, Li Q, Yu H, Kong L, Du S. Identification of conserved proteins from diverse shell matrix proteome in Crassostrea gigas: characterization of genetic bases regulating shell formation. Sci Rep 2017; 7:45754. [PMID: 28374770 PMCID: PMC5379566 DOI: 10.1038/srep45754] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 03/06/2017] [Indexed: 12/21/2022] Open
Abstract
The calcifying shell is an excellent model for studying biomineralization and evolution. However, the molecular mechanisms of shell formation are only beginning to be elucidated in Mollusca. It is known that shell matrix proteins (SMPs) play important roles in shell formation. With increasing data of shell matrix proteomes from various species, we carried out a BLASTp bioinformatics analysis using the shell matrix proteome from Crassostrea gigas against 443 SMPs from nine other species. The highly conserved tyrosinase and chitin related proteins were identified in bivalve. In addition, the relatively conserved proteins containing domains of carbonic anhydrase, Sushi, Von Willebrand factor type A, and chitin binding, were identified from all the ten species. Moreover, 25 genes encoding SMPs were annotated and characterized that are involved in CaCO3 crystallization and represent chitin related or ECM related proteins. Together, data from these analyses provide new knowledge underlying the molecular mechanism of shell formation in C.gigas, supporting a refined shell formation model including chitin and ECM-related proteins.
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Affiliation(s)
- Dandan Feng
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Qi Li
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Hong Yu
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Lingfeng Kong
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Shaojun Du
- Institute of Marine and Environmental Technology, Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD, United States
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Arivalagan J, Yarra T, Marie B, Sleight VA, Duvernois-Berthet E, Clark MS, Marie A, Berland S. Insights from the Shell Proteome: Biomineralization to Adaptation. Mol Biol Evol 2017; 34:66-77. [PMID: 27744410 PMCID: PMC5854119 DOI: 10.1093/molbev/msw219] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Bivalves have evolved a range of complex shell forming mechanisms that are reflected by their incredible diversity in shell mineralogy and microstructures. A suite of proteins exported to the shell matrix space plays a significant role in controlling these features, in addition to underpinning some of the physical properties of the shell itself. Although, there is a general consensus that a minimum basic protein tool kit is required for shell construction, to date, this remains undefined. In this study, the shell matrix proteins (SMPs) of four highly divergent bivalves (The Pacific oyster, Crassostrea gigas; the blue mussel, Mytilus edulis; the clam, Mya truncata, and the king scallop, Pecten maximus) were analyzed in an identical fashion using proteomics pipeline. This enabled us to identify the critical elements of a "basic tool kit" for calcification processes, which were conserved across the taxa irrespective of the shell morphology and arrangement of the crystal surfaces. In addition, protein domains controlling the crystal layers specific to aragonite and calcite were also identified. Intriguingly, a significant number of the identified SMPs contained domains related to immune functions. These were often are unique to each species implying their involvement not only in immunity, but also environmental adaptation. This suggests that the SMPs are selectively exported in a complex mix to endow the shell with both mechanical protection and biochemical defense.
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Affiliation(s)
- Jaison Arivalagan
- UMR 7245 CNRS/MNHN Molécules de Communications et Adaptations des Micro-organismes, Sorbonne Universités, Muséum national d'Histoire naturelle, Paris, France
- UMR 7208 CNRS/MNHN/UPMC/IRD Biologie des Organismes Aquatiques et Ecosystèmes, Sorbonne Universités, Muséum national d'Histoire naturelle, Paris, France
| | - Tejaswi Yarra
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, United Kingdom
- University of Edinburgh, Institute of Evolutionary Biology, Ashworth Laboratories, Charlotte Auerbach Road, Edinburgh, United Kingdom
| | - Benjamin Marie
- UMR 7245 CNRS/MNHN Molécules de Communications et Adaptations des Micro-organismes, Sorbonne Universités, Muséum national d'Histoire naturelle, Paris, France
| | - Victoria A Sleight
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, United Kingdom
| | - Evelyne Duvernois-Berthet
- UMR 7221 CNRS/MNHN Evolution des Régulations Endocriniennes, Sorbonne Universités, Muséum national d'Histoire naturelle, Paris, France
| | - Melody S Clark
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, United Kingdom
| | - Arul Marie
- UMR 7245 CNRS/MNHN Molécules de Communications et Adaptations des Micro-organismes, Sorbonne Universités, Muséum national d'Histoire naturelle, Paris, France
| | - Sophie Berland
- UMR 7208 CNRS/MNHN/UPMC/IRD Biologie des Organismes Aquatiques et Ecosystèmes, Sorbonne Universités, Muséum national d'Histoire naturelle, Paris, France
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30
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Wang X, Liu Z, Wu W. Transcriptome analysis of the freshwater pearl mussel (Cristaria plicata) mantle unravels genes involved in the formation of shell and pearl. Mol Genet Genomics 2016; 292:343-352. [PMID: 27987057 DOI: 10.1007/s00438-016-1278-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 12/03/2016] [Indexed: 10/20/2022]
Abstract
Cristaria plicata, a bivalve widespread in Eastern Asia fresh water, is utilized as the freshwater pearl mussel in China. With a high economic value in pearl production, it is also an ideal object used for the studies on biomineralization in freshwater. In the research, we performed a large-scale sequencing of Cristaria plicata mantle transcriptome using Illumina HiSeq™ 2500, obtaining 98,501 unigenes with 67,817,724 bases. 22.28 and 16.64% of the unigenes were annotated in the NR and Swiss-Prot databases, respectively. Most of the annotated unigenes were homologous with proteins of Crassostrea gigas (47.4%) and some were similar to proteins of Aplysia californica (16.7%). Here, we identified 109 homologous unigenes of 15 decided shell matrix proteins, including nacrein, Pif, perlucin, tyrosinase (Tyr), PfN44, PUSP1, chitinase, shell matrix protein, MSI80, fibronectin type III, AmOxCo, perlwapin, BMSP, PfCHS1 and CaLP. Two other mantle transcriptomes of Pinctada margaritifera and Pinctada fucata were also analyzed to perform a biomineralization protein comparison of the three molluscan transcriptomes. All the three compared mollusks shared four proteins, including nacrein, Pif, Tyr and PfCHS1. It was also discovered that Cristaria plicata shared more biomineralization proteins with Pinctada fucata than that with Pinctada margaritifera. Our study explored a whole draft of mantle transcriptome of freshwater mussel and unraveled genes involved in the formation of shell and pearl, making it possible to identify massive novel biomineralization proteins in mollusks.
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Affiliation(s)
- Xuefeng Wang
- College of Science, National University of Defense Technology, Changsha, 410073, People's Republic of China.,State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, People's Republic of China
| | - Zhiming Liu
- College of Science, National University of Defense Technology, Changsha, 410073, People's Republic of China. .,State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, People's Republic of China.
| | - Wenjian Wu
- College of Science, National University of Defense Technology, Changsha, 410073, People's Republic of China.,State Key Laboratory of NBC Protection for Civilian, Beijing, 102205, People's Republic of China
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31
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Organic matrices in metazoan calcium carbonate skeletons: Composition, functions, evolution. J Struct Biol 2016; 196:98-106. [DOI: 10.1016/j.jsb.2016.04.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 04/04/2016] [Accepted: 04/12/2016] [Indexed: 11/23/2022]
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32
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Hüning AK, Lange SM, Ramesh K, Jacob DE, Jackson DJ, Panknin U, Gutowska MA, Philipp EE, Rosenstiel P, Lucassen M, Melzner F. A shell regeneration assay to identify biomineralization candidate genes in mytilid mussels. Mar Genomics 2016; 27:57-67. [DOI: 10.1016/j.margen.2016.03.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 03/28/2016] [Accepted: 03/30/2016] [Indexed: 11/29/2022]
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Arivalagan J, Marie B, Sleight VA, Clark MS, Berland S, Marie A. Shell matrix proteins of the clam, Mya truncata: Roles beyond shell formation through proteomic study. Mar Genomics 2016; 27:69-74. [DOI: 10.1016/j.margen.2016.03.005] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Revised: 02/13/2016] [Accepted: 03/11/2016] [Indexed: 11/30/2022]
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Bjärnmark NA, Yarra T, Churcher AM, Felix RC, Clark MS, Power DM. Transcriptomics provides insight into Mytilus galloprovincialis (Mollusca: Bivalvia) mantle function and its role in biomineralisation. Mar Genomics 2016; 27:37-45. [PMID: 27037218 DOI: 10.1016/j.margen.2016.03.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 03/03/2016] [Accepted: 03/11/2016] [Indexed: 01/13/2023]
Abstract
The mantle is an organ common to all molluscs and is at the forefront of the biomineralisation process. The present study used the Mediterranean mussel (Mytilus galloprovincialis) as a model species to investigate the structural and functional role of the mantle in shell formation. The transcriptomes of three regions of the mantle edge (umbo to posterior edge) were sequenced using Illumina technology which yielded a total of 61,674,325 reads after adapter trimming and filtering. The raw reads assembled into 179,879 transcripts with an N50 value of 1086bp. A total of 1363 transcripts (321, 223 and 816 in regions 1, 2 and 3, respectively) that differed in abundance in the three mantle regions were identified and putative function was assigned to 54% using BLAST sequence similarity searches (cut-off less than 1e(-10)). Morphological differences detected by histology of the three mantle regions was linked to functional heterogeneity by selecting the top five most abundant Pfam domains in the annotated 1363 differentially abundant transcripts across the three mantle regions. Calcium binding domains dominated region two (middle segment of the mantle edge). Candidate biomineralisation genes were mined and tested by qPCR. This revealed that Flp-like, a penicillin binding protein potentially involved in shell matrix maintenance of the Pacific oyster (Crassostrea gigas), had significantly higher expression in the posterior end of the mantle edge (region one). Our findings are intriguing as they indicate that the mantle edge appears to be a heterogeneous tissue, displaying structural and functional bias.
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Affiliation(s)
- Nadège A Bjärnmark
- Comparative Endocrinology and Integrative Biology, Centre of Marine Sciences, University of Algarve, Gambelas Campus, 8005-139 Faro, Portugal.
| | - T Yarra
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge CB3 0ET, UK; University of Edinburgh, Institute of Evolutionary Biology, Ashworth Laboratories, Charlotte Auerbach Road, Edinburgh EH9 3FL, UK
| | - A M Churcher
- Comparative Endocrinology and Integrative Biology, Centre of Marine Sciences, University of Algarve, Gambelas Campus, 8005-139 Faro, Portugal
| | - R C Felix
- Comparative Endocrinology and Integrative Biology, Centre of Marine Sciences, University of Algarve, Gambelas Campus, 8005-139 Faro, Portugal
| | - M S Clark
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge CB3 0ET, UK
| | - D M Power
- Comparative Endocrinology and Integrative Biology, Centre of Marine Sciences, University of Algarve, Gambelas Campus, 8005-139 Faro, Portugal.
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Calvo-Iglesias J, Pérez-Estévez D, Lorenzo-Abalde S, Sánchez-Correa B, Quiroga MI, Fuentes JM, González-Fernández Á. Characterization of a Monoclonal Antibody Directed against Mytilus spp Larvae Reveals an Antigen Involved in Shell Biomineralization. PLoS One 2016; 11:e0152210. [PMID: 27008638 PMCID: PMC4805170 DOI: 10.1371/journal.pone.0152210] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Accepted: 03/10/2016] [Indexed: 11/19/2022] Open
Abstract
The M22.8 monoclonal antibody (mAb) developed against an antigen expressed at the mussel larval and postlarval stages of Mytilus galloprovincialis was studied on adult samples. Antigenic characterization by Western blot showed that the antigen MSP22.8 has a restricted distribution that includes mantle edge tissue, extrapallial fluid, extrapallial fluid hemocytes, and the shell organic matrix of adult samples. Other tissues such as central mantle, gonadal tissue, digestive gland, labial palps, foot, and byssal retractor muscle did not express the antigen. Immunohistochemistry assays identified MSP22.8 in cells located in the outer fold epithelium of the mantle edge up to the pallial line. Flow cytometry analysis showed that hemocytes from the extrapallial fluid also contain the antigen intracellularly. Furthermore, hemocytes from hemolymph have the ability to internalize the antigen when exposed to a cell-free extrapallial fluid solution. Our findings indicate that hemocytes could play an important role in the biomineralization process and, as a consequence, they have been included in a model of shell formation. This is the first report concerning a protein secreted by the mantle edge into the extrapallial space and how it becomes part of the shell matrix framework in M. galloprovincialis mussels.
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Affiliation(s)
- Juan Calvo-Iglesias
- Immunology, Biomedical Research Center (CINBIO) and Institute of Biomedical Research of Vigo (IBIV), University of Vigo, Vigo, Spain
| | | | - Silvia Lorenzo-Abalde
- Immunology, Biomedical Research Center (CINBIO) and Institute of Biomedical Research of Vigo (IBIV), University of Vigo, Vigo, Spain
| | - Beatriz Sánchez-Correa
- Immunology, Biomedical Research Center (CINBIO) and Institute of Biomedical Research of Vigo (IBIV), University of Vigo, Vigo, Spain
| | - María Isabel Quiroga
- Veterinary Clinical Sciences, Veterinary Faculty, University of Santiago de Compostela, Lugo, Spain
| | - José M. Fuentes
- Centro de Investigacións Mariñas (CIMA), Consellería do Medio Rural e do Mar, Vilanova de Arousa, Spain
| | - África González-Fernández
- Immunology, Biomedical Research Center (CINBIO) and Institute of Biomedical Research of Vigo (IBIV), University of Vigo, Vigo, Spain
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Lemer S, Saulnier D, Gueguen Y, Planes S. Identification of genes associated with shell color in the black-lipped pearl oyster, Pinctada margaritifera. BMC Genomics 2015; 16:568. [PMID: 26231360 PMCID: PMC4521380 DOI: 10.1186/s12864-015-1776-x] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2014] [Accepted: 07/14/2015] [Indexed: 11/13/2022] Open
Abstract
Background Color polymorphism in the nacre of pteriomorphian bivalves is of great interest for the pearl culture industry. The nacreous layer of the Polynesian black-lipped pearl oyster Pinctada margaritifera exhibits a large array of color variation among individuals including reflections of blue, green, yellow and pink in all possible gradients. Although the heritability of nacre color variation patterns has been demonstrated by experimental crossing, little is known about the genes involved in these patterns. In this study, we identify a set of genes differentially expressed among extreme color phenotypes of P. margaritifera using a suppressive and subtractive hybridization (SSH) method comparing black phenotypes with full and half albino individuals. Results Out of the 358 and 346 expressed sequence tags (ESTs) obtained by conducting two SSH libraries respectively, the expression patterns of 37 genes were tested with a real-time quantitative PCR (RT-qPCR) approach by pooling five individuals of each phenotype. The expression of 11 genes was subsequently estimated for each individual in order to detect inter-individual variation. Our results suggest that the color of the nacre is partially under the influence of genes involved in the biomineralization of the calcitic layer. A few genes involved in the formation of the aragonite tablets of the nacre layer and in the biosynthesis chain of melanin also showed differential expression patterns. Finally, high variability in gene expression levels were observed within the black phenotypes. Conclusions Our results revealed that three main genetic processes were involved in color polymorphisms: the biomineralization of the nacreous and calcitic layers and the synthesis of pigments such as melanin, suggesting that color polymorphism takes place at different levels in the shell structure. The high variability of gene expression found within black phenotypes suggests that the present work should serve as a basis for future studies exploring more thoroughly the expression patterns of candidate genes within black phenotypes with different dominant iridescent colors. Electronic supplementary material The online version of this article (doi:10.1186/s12864-015-1776-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Sarah Lemer
- Laboratoire d'Excellence "CORAIL", USR 3278 CNRS-CRIOBE- EPHE, Perpignan, France, Papetoai, Moorea, French Polynesia. .,Present address: Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA, 02138, USA.
| | - Denis Saulnier
- Ifremer, UMR 241 EIO, Laboratoire d'Excellence "CORAIL", BP 7004, 98719, Taravao, Tahiti, French Polynesia.
| | - Yannick Gueguen
- Ifremer, UMR 241 EIO, Laboratoire d'Excellence "CORAIL", BP 7004, 98719, Taravao, Tahiti, French Polynesia. .,Present address: Ifremer, UMR 5244 IHPE, UPVD, CNRS, Université de Montpellier, CC 80, F-34095, Montpellier, France.
| | - Serge Planes
- Laboratoire d'Excellence "CORAIL", USR 3278 CNRS-CRIOBE- EPHE, Perpignan, France, Papetoai, Moorea, French Polynesia.
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Gao P, Liao Z, Wang XX, Bao LF, Fan MH, Li XM, Wu CW, Xia SW. Layer-by-Layer Proteomic Analysis of Mytilus galloprovincialis Shell. PLoS One 2015. [PMID: 26218932 PMCID: PMC4517812 DOI: 10.1371/journal.pone.0133913] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Bivalve shell is a biomineralized tissue with various layers/microstructures and excellent mechanical properties. Shell matrix proteins (SMPs) pervade and envelop the mineral crystals and play essential roles in biomineralization. Despite that Mytilus is an economically important bivalve, only few proteomic studies have been performed for the shell, and current knowledge of the SMP set responsible for different shell layers of Mytilus remains largely patchy. In this study, we observed that Mytilus galloprovincialis shell contained three layers, including nacre, fibrous prism, and myostracum that is involved in shell-muscle attachment. A parallel proteomic analysis was performed for these three layers. By combining LC-MS/MS analysis with Mytilus EST database interrogations, a whole set of 113 proteins was identified, and the distribution of these proteins in different shell layers followed a mosaic pattern. For each layer, about a half of identified proteins are unique and the others are shared by two or all of three layers. This is the first description of the protein set exclusive to nacre, myostracum, and fibrous prism in Mytilus shell. Moreover, most of identified proteins in the present study are novel SMPs, which greatly extended biomineralization-related protein data of Mytilus. These results are useful, on one hand, for understanding the roles of SMPs in the deposition of different shell layers. On the other hand, the identified protein set of myostracum provides candidates for further exploring the mechanism of adductor muscle-shell attachment.
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Affiliation(s)
- Peng Gao
- College of Chemistry and Chemical Engineering, Ocean University of Chinese, Qingdao, China
- Laboratory of Marine Biological Protein Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang, China
| | - Zhi Liao
- Laboratory of Marine Biological Protein Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang, China
| | - Xin-xing Wang
- Laboratory of Marine Biological Protein Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang, China
| | - Lin-fei Bao
- Laboratory of Marine Biological Protein Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang, China
| | - Mei-hua Fan
- Laboratory of Marine Biological Protein Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang, China
| | - Xiao-min Li
- Biotechnology Center, Chinese Academy of Fishery Science, Beijing, China
| | - Chang-wen Wu
- Laboratory of Marine Biological Protein Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang, China
| | - Shu-wei Xia
- College of Chemistry and Chemical Engineering, Ocean University of Chinese, Qingdao, China
- * E-mail:
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Liao Z, Bao LF, Fan MH, Gao P, Wang XX, Qin CL, Li XM. In-depth proteomic analysis of nacre, prism, and myostracum of Mytilus shell. J Proteomics 2015; 122:26-40. [DOI: 10.1016/j.jprot.2015.03.027] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Revised: 03/19/2015] [Accepted: 03/23/2015] [Indexed: 11/26/2022]
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Le Roy N, Jackson DJ, Marie B, Ramos-Silva P, Marin F. The evolution of metazoan α-carbonic anhydrases and their roles in calcium carbonate biomineralization. Front Zool 2014. [DOI: 10.1186/s12983-014-0075-8] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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Latire T, Legendre F, Bigot N, Carduner L, Kellouche S, Bouyoucef M, Carreiras F, Marin F, Lebel JM, Galéra P, Serpentini A. Shell extracts from the marine bivalve Pecten maximus regulate the synthesis of extracellular matrix in primary cultured human skin fibroblasts. PLoS One 2014; 9:e99931. [PMID: 24949635 PMCID: PMC4064982 DOI: 10.1371/journal.pone.0099931] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Accepted: 05/20/2014] [Indexed: 11/18/2022] Open
Abstract
Mollusc shells are composed of more than 95% calcium carbonate and less than 5% of an organic matrix consisting mostly of proteins, glycoproteins and polysaccharides. Previous studies have elucidated the biological activities of the shell matrices from bivalve molluscs on skin, especially on the expression of the extracellular matrix components of fibroblasts. In this work, we have investigated the potential biological activities of shell matrix components extracted from the shell of the scallop Pecten maximus on human fibroblasts in primary culture. Firstly, we demonstrated that shell matrix components had different effects on general cellular activities. Secondly, we have shown that the shell matrix components stimulate the synthesis of type I and III collagens, as well as that of sulphated GAGs. The increased expression of type I collagen is likely mediated by the recruitment of transactivating factors (Sp1, Sp3 and human c-Krox) in the −112/−61 bp COL1A1 promoter region. Finally, contrarily to what was obtained in previous works, we demonstrated that the scallop shell extracts have only a small effect on cell migration during in vitro wound tests and have no effect on cell proliferation. Thus, our research emphasizes the potential use of shell matrix of Pecten maximus for dermo-cosmetic applications.
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Affiliation(s)
- Thomas Latire
- UMR BOREA « Biologie des ORganismes et Ecosystèmes Aquatiques », MNHN, UPMC, UCBN, CNRS-7208, IRD-207, Université de Caen Basse-Normandie, IBFA, Campus 1, Science C, Caen cedex 5, France
- Laboratoire Microenvironnement cellulaire et pathologies (MILPAT), EA 4652, SFR 146 ICORE, Université de Caen Basse-Normandie, Faculté de Médecine, CHU niveau 3, Caen cedex 5, France
| | - Florence Legendre
- Laboratoire Microenvironnement cellulaire et pathologies (MILPAT), EA 4652, SFR 146 ICORE, Université de Caen Basse-Normandie, Faculté de Médecine, CHU niveau 3, Caen cedex 5, France
| | - Nicolas Bigot
- Laboratoire Microenvironnement cellulaire et pathologies (MILPAT), EA 4652, SFR 146 ICORE, Université de Caen Basse-Normandie, Faculté de Médecine, CHU niveau 3, Caen cedex 5, France
| | - Ludovic Carduner
- Equipe de Recherche sur les Relations Matrice Extracellulaire Cellules (ERRMECe), EA 1391, Institut des Matériaux, Université de Cergy-Pontoise, Cergy-Pontoise cedex, France
| | - Sabrina Kellouche
- Equipe de Recherche sur les Relations Matrice Extracellulaire Cellules (ERRMECe), EA 1391, Institut des Matériaux, Université de Cergy-Pontoise, Cergy-Pontoise cedex, France
| | - Mouloud Bouyoucef
- Laboratoire Microenvironnement cellulaire et pathologies (MILPAT), EA 4652, SFR 146 ICORE, Université de Caen Basse-Normandie, Faculté de Médecine, CHU niveau 3, Caen cedex 5, France
| | - Franck Carreiras
- Equipe de Recherche sur les Relations Matrice Extracellulaire Cellules (ERRMECe), EA 1391, Institut des Matériaux, Université de Cergy-Pontoise, Cergy-Pontoise cedex, France
| | - Frédéric Marin
- UMR 6282 CNRS “Biogéosciences”, Université de Bourgogne, Dijon, France
| | - Jean-Marc Lebel
- UMR BOREA « Biologie des ORganismes et Ecosystèmes Aquatiques », MNHN, UPMC, UCBN, CNRS-7208, IRD-207, Université de Caen Basse-Normandie, IBFA, Campus 1, Science C, Caen cedex 5, France
| | - Philippe Galéra
- Laboratoire Microenvironnement cellulaire et pathologies (MILPAT), EA 4652, SFR 146 ICORE, Université de Caen Basse-Normandie, Faculté de Médecine, CHU niveau 3, Caen cedex 5, France
| | - Antoine Serpentini
- UMR BOREA « Biologie des ORganismes et Ecosystèmes Aquatiques », MNHN, UPMC, UCBN, CNRS-7208, IRD-207, Université de Caen Basse-Normandie, IBFA, Campus 1, Science C, Caen cedex 5, France
- * E-mail:
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Killian CE, Wilt FH. Investigating protein function in biomineralized tissues using molecular biology techniques. Methods Enzymol 2014; 532:367-88. [PMID: 24188776 DOI: 10.1016/b978-0-12-416617-2.00017-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
We describe modern molecular biology methods currently used in the study of biomineralization. We focus our descriptions on two areas of biomineralization research in which these methods have been particularly powerful. The first area is the use of modern molecular methods to identify and characterize the so-called occluded matrix proteins present in mineralized tissues. More specifically, we describe the use of RNA-seq and the next generation of DNA sequencers and the use of direct protein sequencing and mass spectrometers as ways of identifying proteins present in mineralized tissues. The second area is the use of molecular methods to examine the function of proteins in biomineralization. RNA interference (RNAi), morpholino antisense, and other methods are described and discussed as ways of elucidating protein function.
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Freer A, Bridgett S, Jiang J, Cusack M. Biomineral proteins from Mytilus edulis mantle tissue transcriptome. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2014; 16:34-45. [PMID: 23828607 PMCID: PMC3896809 DOI: 10.1007/s10126-013-9516-1] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2012] [Accepted: 06/05/2013] [Indexed: 05/31/2023]
Abstract
The common blue mussel, Mytilus edulis, has a bimineralic shell composed of approximately equal proportions of the two major polymorphs of calcium carbonate: calcite and aragonite. The exquisite biological control of polymorph production is the focus of research interest in terms of understanding the details of biomineralisation and the proteins involved in the process of complex shell formation. Recent advances in ease and availability of pyrosequencing and assembly have resulted in a sharp increase in transcriptome data for invertebrate biominerals. We have applied Roche 454 pyrosequencing technology to profile the transcriptome for the mantle tissue of the bivalve M. edulis. A comparison was made between the results of several assembly programs: Roche Newbler assembler versions 2.3, 2.5.2 and 2.6 and MIRA 3.2.1 and 3.4.0. The Newbler and MIRA assemblies were subsequently merged using the CAP3 assembler to give a higher consensus in alignments and a more accurate estimate of the true size of the M. edulis transcriptome. Comparison sequence searches show that the mantle transcripts for M. edulis encode putative proteins exhibiting sequence similarities with previously characterised shell proteins of other species of Mytilus, the Bivalvia Pinctada and haliotid gastropods. Importantly, this enhanced transcriptome has detected several transcripts that encode proteins with sequence similarity with previously described shell biomineral proteins including Shematrins and lysine-rich matrix proteins (KRMPs) not previously found in Mytilus.
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Affiliation(s)
- Andy Freer
- School of Chemistry, University of Glasgow, G12 8QQ, Glasgow, UK
| | - Stephen Bridgett
- The GenePool, School of Biological Sciences, University of Edinburgh, EH9 3JT, Edinburgh, Scotland UK
| | - Jiahong Jiang
- School of Chemistry, University of Glasgow, G12 8QQ, Glasgow, UK
| | - Maggie Cusack
- School of Geographical and Earth Sciences, University of Glasgow, G12 8QQ, Glasgow, UK
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Miyamoto H, Endo H, Hashimoto N, limura K, Isowa Y, Kinoshita S, Kotaki T, Masaoka T, Miki T, Nakayama S, Nogawa C, Notazawa A, Ohmori F, Sarashina I, Suzuki M, Takagi R, Takahashi J, Takeuchi T, Yokoo N, Satoh N, Toyohara H, Miyashita T, Wada H, Samata T, Endo K, Nagasawa H, Asakawa S, Watabe S. The Diversity of Shell Matrix Proteins: Genome-Wide Investigation of the Pearl Oyster, Pinctada fucata. Zoolog Sci 2013; 30:801-16. [DOI: 10.2108/zsj.30.801] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Hiroshi Miyamoto
- Department of Genetic Engineering, Faculty of Biology-Oriented Science and Technology, Kinki University, 930 Nishimitani, Kinokawa, Wakayama 649-6493, Japan
| | - Hirotoshi Endo
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Naoki Hashimoto
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Kurin limura
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Yukinobu Isowa
- Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Shigeharu Kinoshita
- Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Tomohiro Kotaki
- Laboratory of Cell Biology, The Graduate School of Environmental Health Sciences, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
| | - Tetsuji Masaoka
- National Research Institute of Aquaculture, Fisheries Research Agency, 422-1, Hiruta, Tamaki, Mie 519-0423, Japan
| | - Takumi Miki
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Seiji Nakayama
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Chihiro Nogawa
- Laboratory of Cell Biology, The Graduate School of Environmental Health Sciences, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
| | - Atsuto Notazawa
- Laboratory of Cell Biology, The Graduate School of Environmental Health Sciences, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
| | - Fumito Ohmori
- Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Isao Sarashina
- Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Michio Suzuki
- Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Ryousuke Takagi
- Department of Genetic Engineering, Faculty of Biology-Oriented Science and Technology, Kinki University, 930 Nishimitani, Kinokawa, Wakayama 649-6493, Japan
| | - Jun Takahashi
- Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Takeshi Takeuchi
- Marine Genomics Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna, Okinawa 904-0495, Japan
| | - Naoki Yokoo
- Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Nori Satoh
- Marine Genomics Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna, Okinawa 904-0495, Japan
| | - Haruhiko Toyohara
- Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Tomoyuki Miyashita
- Department of Genetic Engineering, Faculty of Biology-Oriented Science and Technology, Kinki University, 930 Nishimitani, Kinokawa, Wakayama 649-6493, Japan
| | - Hiroshi Wada
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Tetsuro Samata
- Laboratory of Cell Biology, The Graduate School of Environmental Health Sciences, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
| | - Kazuyoshi Endo
- Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Hiromichi Nagasawa
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Shuichi Asakawa
- Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Shugo Watabe
- Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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Hohagen J, Jackson DJ. An ancient process in a modern mollusc: early development of the shell in Lymnaea stagnalis. BMC DEVELOPMENTAL BIOLOGY 2013; 13:27. [PMID: 23845038 PMCID: PMC3728215 DOI: 10.1186/1471-213x-13-27] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Accepted: 07/08/2013] [Indexed: 11/27/2022]
Abstract
Background The morphological variety displayed by the molluscan shell underlies much of the evolutionary success of this phylum. However, the broad diversity of shell forms, sizes, ornamentations and functions contrasts with a deep conservation of early cell movements associated with the initiation of shell construction. This process begins during early embryogenesis with a thickening of an ectodermal, ‘dorsal’ (opposite the blastopore) population of cells, which then invaginates into the blastocoel to form the shell gland. The shell gland evaginates to form the shell field, which then expands and further differentiates to eventually become the adult shell-secreting organ commonly known as the mantle. Despite the deep conservation of the early shell forming developmental program across molluscan classes, little is known about the fine-scale cellular or molecular processes that underlie molluscan shell development. Results Using modern imaging techniques we provide here a description of the morphogenesis of a gastropod shell gland and shell field using the pulmonate gastropod Lymnaea stagnalis as a model. We find supporting evidence for a hypothesis of molluscan shell gland specification proposed over 60 years ago, and present histochemical assays that can be used to identify a variety of larval shell stages and distinct cell populations in whole mounts. Conclusions By providing a detailed spatial and temporal map of cell movements and differentiation events during early shell development in L. stagnalis we have established a platform for future work aimed at elucidation of the molecular mechanisms and regulatory networks that underlie the evo-devo of the molluscan shell.
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Affiliation(s)
- Jennifer Hohagen
- Courant Research Centre Geobiology, Georg-August University of Göttingen, Goldschmidtstrasse 3, 37077, Göttingen, Germany.
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Abstract
In nature, mollusk shells have a role in protecting the soft body of the mollusk from predators and from the external environment, and the shells consist mainly of calcium carbonate and small amounts of organic matrices. Organic matrices in mollusk shells are thought to play key roles in shell formation. However, enough information has not been accumulated so far. High toughness and stiffness have been focused on as being adaptable to the development of organic–inorganic hybrid materials. Because mollusks can produce elaborate microstructures containing organic matrices under ambient conditions, the investigation of shell formation is expected to lead to the development of new inorganic–organic hybrid materials for various applications. In this review paper, we summarize the structures of mollusk shells and their process of formation, together with the analysis of various organic matrices related to shell calcification.
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Affiliation(s)
- Michio Suzuki
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hiromichi Nagasawa
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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Molecular cloning and characterization of perlucin from the freshwater pearl mussel, Hyriopsis cumingii. Gene 2013; 526:210-6. [PMID: 23732290 DOI: 10.1016/j.gene.2013.05.029] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 05/09/2013] [Accepted: 05/15/2013] [Indexed: 12/13/2022]
Abstract
Perlucin is an important functional protein that regulates shell and pearl formation. In this study, we cloned the perlucin gene from the freshwater pearl mussel Hyriopsis cumingii, designated as Hcperlucin. The full-length cDNA transcribed from the Hcperlucin gene was 1460 bp long, encoding a putative signal peptide of 20 amino acids and a mature protein of 141 amino acids. The mature Hcperlucin peptide contained six conserved cysteine residues and a carbohydrate recognition domain, similar to other members of the C-type lectin families. In addition, a "QPS" and an invariant "WND" motif near the C-terminal region were also found, which are extremely important for polysaccharide recognition and calcium binding of lectins. The mRNA of Hcperlucin was constitutively expressed in all tested H. cumingii tissues, with the highest expression levels observed in the mantle, adductor, gill and hemocytes. In situ hybridization was used to detect the presence of Hcperlucin mRNA in the mantle, and the result showed that the mRNA was specifically expressed in the epithelial cells of the dorsal mantle pallial, an area known to express genes involved in the biosynthesis of the nacreous layer of the shell. The significant Hcperlucin mRNA expression was detected on day 14 post shell damage and implantation, suggesting that the Hcperlucin might be an important gene in shell nacreous layer and pearl formation. The change of perlucin expression in pearl sac also confirmed that the mantle transplantation results in a new expression pattern of perlucin genes in pearl sac cells that are required for pearl biomineralization. These findings could help better understanding the function of perlucin in the shell and pearl formation.
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Suzuki M, Iwashima A, Kimura M, Kogure T, Nagasawa H. The molecular evolution of the pif family proteins in various species of mollusks. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2013; 15:145-58. [PMID: 22847736 DOI: 10.1007/s10126-012-9471-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2012] [Accepted: 06/30/2012] [Indexed: 05/04/2023]
Abstract
Various novel proteins have been identified from many kinds of mollusk shells. Although such matrix proteins are believed to play important roles in the calcium carbonate crystal formation of shells, no common proteins that interact with calcium carbonate or that are involved in the molecular mechanisms behind shell formation have been identified. Pif consists of two proteins, Pif 80 and Pif 97, which are encoded by a single mRNA. Pif 80 was identified as a key acidic protein that regulates the formation of the nacreous layer in Pinctada fucata, while Pif 97 has von Willebrand factor type A (VWA) and chitin-binding domains. In this study, we identified Pif homologues from Pinctada margaritifera, Pinctada maxima, Pteria penguin, Mytilus galloprovincialis, and in the genome database of Lottia gigantea in order to compare their primary protein sequences. The VWA and chitin-binding domains are conserved in all Pif 97 homologues, whereas the amino acid sequences of the Pif 80 regions differ markedly among the species. Sequence alignment revealed the presence of a novel significantly conserved sequence between the chitin-binding domain and the C-terminus of Pif 97. Further examination of the Pif 80 regions suggested that they share a sequence that is similar to the laminin G domain. These results indicate that all Pif molecules in bivalves and gastropods may be derived from a common ancestral gene. These comparisons may shed light on the correlation between molecular evolution and morphology in mollusk shell microstructure.
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Affiliation(s)
- Michio Suzuki
- Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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Beaulieu L, Thibodeau J, Bonnet C, Bryl P, Carbonneau ME. Evidence of anti-proliferative activities in blue mussel (Mytilus edulis) by-products. Mar Drugs 2013; 11:975-90. [PMID: 23535393 PMCID: PMC3705383 DOI: 10.3390/md11040975] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Revised: 03/05/2013] [Accepted: 03/05/2013] [Indexed: 11/17/2022] Open
Abstract
Shellfish waste components contain significant levels of high quality protein and are therefore a potential source for biofunctional high-value peptides. The feasibility of applying a pilot scale enzymatic hydrolysis process to whole Mytilus edulis and, by fractionation, recover hydrolysates presenting a biological activity of interest, was evaluated. Fractions were tested on four immortalized cancerous cell lines: A549, BT549, HCT15 and PC3. The 50 kDa fraction, enriched in peptides, presented anti-proliferative activity with all cell lines and results suggest a bioactive molecule synergy within the fraction. At a protein concentration of 44 µg/mL, the 50 kDa fraction induced a mortality of 90% for PC3, 89% for A549, 85% for HCT15 and of 81% for BT549 cell lines. At the low protein concentration of only 11 µg/mL the 50 kDa fraction still entails a cell mortality of 76% for A549 and 87% for PC3 cell lines. The 50 kDa fraction contains 56% of proteins, 3% of lipids and 6% of minerals on a dry weight basis and the lowest levels detected of taurine and methionine and highest levels of threonine, proline and glycine amino acids. The enzymatic hydrolysis process suggests that Mytilus edulis by-products should be viewed as high-valued products with strong potential as anti-proliferative agent and promising active ingredients in functional foods.
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Affiliation(s)
- Lucie Beaulieu
- Department of Biology, Chemistry and Geography, University of Quebec at Rimouski (UQAR), 300 Allée des Ursulines, Rimouski, QC G5L 3A1, Canada; E-Mails: (J.T.); (C.B.)
- Institute of Nutraceuticals and Functional Foods (INAF), Laval University, Quebec City, QC G1V 0A6, Canada
| | - Jacinthe Thibodeau
- Department of Biology, Chemistry and Geography, University of Quebec at Rimouski (UQAR), 300 Allée des Ursulines, Rimouski, QC G5L 3A1, Canada; E-Mails: (J.T.); (C.B.)
- Merinov, Quebec Fisheries and Aquaculture Innovation Centre, 96 montee de Sandy Beach, office 1.07, Gaspe, QC G4X 2V6, Canada; E-Mails: (P.B.); (M.-E.C.)
| | - Claudie Bonnet
- Department of Biology, Chemistry and Geography, University of Quebec at Rimouski (UQAR), 300 Allée des Ursulines, Rimouski, QC G5L 3A1, Canada; E-Mails: (J.T.); (C.B.)
| | - Piotr Bryl
- Merinov, Quebec Fisheries and Aquaculture Innovation Centre, 96 montee de Sandy Beach, office 1.07, Gaspe, QC G4X 2V6, Canada; E-Mails: (P.B.); (M.-E.C.)
| | - Marie-Elise Carbonneau
- Merinov, Quebec Fisheries and Aquaculture Innovation Centre, 96 montee de Sandy Beach, office 1.07, Gaspe, QC G4X 2V6, Canada; E-Mails: (P.B.); (M.-E.C.)
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Marie B, Jackson DJ, Ramos-Silva P, Zanella-Cléon I, Guichard N, Marin F. The shell-forming proteome ofLottia giganteareveals both deep conservations and lineage-specific novelties. FEBS J 2012; 280:214-32. [DOI: 10.1111/febs.12062] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Revised: 11/01/2012] [Accepted: 11/07/2012] [Indexed: 12/31/2022]
Affiliation(s)
- Benjamin Marie
- UMR 6282 (ex 5561) CNRS Biogéosciences; Université de Bourgogne; Dijon; France
| | - Daniel J. Jackson
- Courant Research Centre Geobiology; Georg-August University of Göttingen; Göttingen; Germany
| | | | | | - Nathalie Guichard
- UMR 6282 (ex 5561) CNRS Biogéosciences; Université de Bourgogne; Dijon; France
| | - Frédéric Marin
- UMR 6282 (ex 5561) CNRS Biogéosciences; Université de Bourgogne; Dijon; France
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LE Roy N, Marie B, Gaume B, Guichard N, Delgado S, Zanella-Cléon I, Becchi M, Auzoux-Bordenave S, Sire JY, Marin F. Identification of two carbonic anhydrases in the mantle of the European Abalone Haliotis tuberculata (Gastropoda, Haliotidae): phylogenetic implications. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2012; 318:353-67. [PMID: 22711568 DOI: 10.1002/jez.b.22452] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Carbonic anhydrases (CAs) represent a diversified family of metalloenzymes that reversibly catalyze the hydration of carbon dioxide. They are involved in a wide range of functions, among which is the formation of CaCO(3) skeletons in metazoans. In the shell-forming mantle tissues of mollusks, the location of the CA catalytic activity is elusive and gives birth to contradicting views. In the present paper, using the European abalone Haliotis tuberculata, a key model gastropod in biomineralization studies, we identified and characterized two CAs (htCA1 and htCA2) that are specific of the shell-forming mantle tissue. We analyzed them in a phylogenetic context. Combining various approaches, including proteomics, activity tests, and in silico analyses, we showed that htCA1 is secreted but is not incorporated in the organic matrix of the abalone shell and that htCA2 is transmembrane. Together with previous studies dealing with molluskan CAs, our findings suggest two possible modes of action for shell mineralization: the first mode applies to, for example, the bivalves Unio pictorum and Pinctada fucata, and involves a true CA activity in their shell matrix; the second mode corresponds to, for example, the European abalone, and does not include CA activity in the shell matrix. Our work provides new insight on the diversity of the extracellular macromolecular tools used for shell biomineralization study in mollusks.
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Affiliation(s)
- Nathalie LE Roy
- UMR CNRS 6282 Biogéosciences, Université de Bourgogne, Dijon, France.
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