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Sourit B, Guichard N, Morel E, Geaud F, Fiot J, Tolsma V, Bru JP. INF-09 - Bonnes pratiques infirmières de l’administration de la cloxacilline(CLX) en perfusion continue sur 24 h par pompe. Med Mal Infect 2016. [DOI: 10.1016/s0399-077x(16)30595-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Karakostis K, Zanella-Cléon I, Immel F, Guichard N, Dru P, Lepage T, Plasseraud L, Matranga V, Marin F. A minimal molecular toolkit for mineral deposition? Biochemistry and proteomics of the test matrix of adult specimens of the sea urchin Paracentrotus lividus. J Proteomics 2016; 136:133-44. [DOI: 10.1016/j.jprot.2016.01.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 12/22/2015] [Accepted: 01/04/2016] [Indexed: 12/16/2022]
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Immel F, Gaspard D, Marie A, Guichard N, Cusack M, Marin F. Shell proteome of rhynchonelliform brachiopods. J Struct Biol 2015; 190:360-6. [DOI: 10.1016/j.jsb.2015.04.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Revised: 04/02/2015] [Accepted: 04/05/2015] [Indexed: 11/27/2022]
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Kanold JM, Guichard N, Immel F, Plasseraud L, Corneillat M, Alcaraz G, Brümmer F, Marin F. Spine and test skeletal matrices of the Mediterranean sea urchin Arbacia lixula--a comparative characterization of their sugar signature. FEBS J 2015; 282:1891-905. [PMID: 25702947 DOI: 10.1111/febs.13242] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 01/19/2015] [Accepted: 02/17/2015] [Indexed: 11/27/2022]
Abstract
Calcified structures of sea urchins are biocomposite materials that comprise a minor fraction of organic macromolecules, such as proteins, glycoproteins and polysaccharides. These macromolecules are thought to collectively regulate mineral deposition during the process of calcification. When occluded, they modify the properties of the mineral. In the present study, the organic matrices (both soluble and insoluble in acetic acid) of spines and tests from the Mediterranean black sea urchin Arbacia lixula were extracted and characterized, in order to determine whether they exhibit similar biochemical signatures. Bulk characterizations were performed by mono-dimensional SDS/PAGE, FT-IR spectroscopy, and an in vitro crystallization assay. We concentrated our efforts on characterization of the sugar moieties. To this end, we determined the monosaccharide content of the soluble and insoluble organic matrices of A. lixula spines and tests by HPAE-PAD, together with their respective lectin-binding profiles via enzyme-linked lectin assay. Finally, we performed in situ localization of N-acetyl glucosamine-containing saccharides on spines and tests using gold-conjugated wheatgerm agglutinin. Our data show that the test and spine matrices exhibit different biochemical signatures with regard to their saccharidic fraction, suggesting that future studies should analyse the regulation of mineral deposition by the matrix in these two mineralized structures in detail. This study re-emphasizes the importance of non-protein moieties, i.e. sugars, in calcium carbonate systems, and highlights the need to clearly identify their function in the biomineralization process.
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Affiliation(s)
- Julia M Kanold
- Department of Zoology, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Germany
| | - Nathalie Guichard
- UMR CNRS 6282 Biogéosciences, Bâtiment des Sciences Gabriel, Université de Bourgogne, Dijon, France
| | - Françoise Immel
- UMR CNRS 6282 Biogéosciences, Bâtiment des Sciences Gabriel, Université de Bourgogne, Dijon, France
| | - Laurent Plasseraud
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302, Faculté des Sciences Mirande, Université de Bourgogne, Dijon, France
| | - Marion Corneillat
- Unité Propre Soutien de Programme PROXISS, Département Agronomie Environnement AgroSupDijon, Dijon Cedex, France
| | - Gérard Alcaraz
- Unité Propre Soutien de Programme PROXISS, Département Agronomie Environnement AgroSupDijon, Dijon Cedex, France
| | - Franz Brümmer
- Department of Zoology, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Germany
| | - Frédéric Marin
- UMR CNRS 6282 Biogéosciences, Bâtiment des Sciences Gabriel, Université de Bourgogne, Dijon, France
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Kanold JM, Immel F, Broussard C, Guichard N, Plasseraud L, Corneillat M, Alcaraz G, Brümmer F, Marin F. The test skeletal matrix of the black sea urchin Arbacia lixula. Comparative Biochemistry and Physiology Part D: Genomics and Proteomics 2015; 13:24-34. [DOI: 10.1016/j.cbd.2014.12.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Revised: 12/13/2014] [Accepted: 12/18/2014] [Indexed: 11/26/2022]
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Ramos-Silva P, Kaandorp J, Herbst F, Plasseraud L, Alcaraz G, Stern C, Corneillat M, Guichard N, Durlet C, Luquet G, Marin F. The skeleton of the staghorn coral Acropora millepora: molecular and structural characterization. PLoS One 2014; 9:e97454. [PMID: 24893046 PMCID: PMC4043741 DOI: 10.1371/journal.pone.0097454] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2013] [Accepted: 04/19/2014] [Indexed: 01/28/2023] Open
Abstract
The scleractinian coral Acropora millepora is one of the most studied species from the Great Barrier Reef. This species has been used to understand evolutionary, immune and developmental processes in cnidarians. It has also been subject of several ecological studies in order to elucidate reef responses to environmental changes such as temperature rise and ocean acidification (OA). In these contexts, several nucleic acid resources were made available. When combined to a recent proteomic analysis of the coral skeletal organic matrix (SOM), they enabled the identification of several skeletal matrix proteins, making A. millepora into an emerging model for biomineralization studies. Here we describe the skeletal microstructure of A. millepora skeleton, together with a functional and biochemical characterization of its occluded SOM that focuses on the protein and saccharidic moieties. The skeletal matrix proteins show a large range of isoelectric points, compositional patterns and signatures. Besides secreted proteins, there are a significant number of proteins with membrane attachment sites such as transmembrane domains and GPI anchors as well as proteins with integrin binding sites. These features show that the skeletal proteins must have strong adhesion properties in order to function in the calcifying space. Moreover this data suggest a molecular connection between the calcifying epithelium and the skeletal tissue during biocalcification. In terms of sugar moieties, the enrichment of the SOM in arabinose is striking, and the monosaccharide composition exhibits the same signature as that of mucus of acroporid corals. Finally, we observe that the interaction of the acetic acid soluble SOM on the morphology of in vitro grown CaCO3 crystals is very pronounced when compared with the calcifying matrices of some mollusks. In light of these results, we wish to commend Acropora millepora as a model for biocalcification studies in scleractinians, from molecular and structural viewpoints.
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Affiliation(s)
- Paula Ramos-Silva
- UMR 6282 Biogéosciences, Université de Bourgogne, Dijon, France
- Section Computational Science, Faculty of Science, University of Amsterdam, Amsterdam, The Netherlands
| | - Jaap Kaandorp
- Section Computational Science, Faculty of Science, University of Amsterdam, Amsterdam, The Netherlands
- * E-mail: (JK); (FM)
| | | | - Laurent Plasseraud
- UMR 6302, Institut de Chimie Moléculaire, Université de Bourgogne, Dijon, France
| | - Gérard Alcaraz
- UMR 1347, Agroécologie INRA, Université de Bourgogne, AgroSup Dijon, Pôle Mécanisme & Gestion Interactions Plantes Micro-organismes, ERL 6300, Dijon, France
| | - Christine Stern
- UMR 6302, Institut de Chimie Moléculaire, Université de Bourgogne, Dijon, France
| | - Marion Corneillat
- UMR 1347, Agroécologie INRA, Université de Bourgogne, AgroSup Dijon, Pôle Mécanisme & Gestion Interactions Plantes Micro-organismes, ERL 6300, Dijon, France
| | | | | | - Gilles Luquet
- UMR 6282 Biogéosciences, Université de Bourgogne, Dijon, France
- UMR 7245, Muséum National d'Histoire Naturelle, Paris, France
| | - Frédéric Marin
- UMR 6282 Biogéosciences, Université de Bourgogne, Dijon, France
- * E-mail: (JK); (FM)
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Marin F, Le Roy N, Marie B, Ramos-Silva P, Bundeleva I, Guichard N, Immel F. Metazoan calcium carbonate biomineralizations: macroevolutionary trends – challenges for the coming decade. ACTA ACUST UNITED AC 2014. [DOI: 10.2113/gssgfbull.185.4.217] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Abstract
Calcium carbonate-based biominerals, also referred as biocalcifications, are the most abundant biogenic mineralized products at the surface of the Earth. In this paper, we summarize general concepts on biocalcifications and we sketch macro-evolutionary trends throughout the history of the Earth, from Archean to Phanerozoic times. Then, we expose five fundamental issues that represent key-challenges in biocalcification researches for the coming decade: the first one concerns the comprehension of the micro- and nano-structure of calcium carbonate biominerals from a mineral viewpoint, while the second one deals with the understanding of the dynamic process of their fabrication. The third one treats the subtle interplay between organics and the mineral phase. The fourth issue focuses on an environmental challenge related to ocean acidification (OA); at last, the diagenetic processes that affect biogenic calcium carbonate mineral constitute the fifth issue.
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Affiliation(s)
- Frédéric Marin
- UMR CNRS 6282 Biogéosciences, Université de Bourgogne, 6 boulevard Gabriel, 21000 Dijon, France
| | - Nathalie Le Roy
- UMR CNRS 6282 Biogéosciences, Université de Bourgogne, 6 boulevard Gabriel, 21000 Dijon, France
- Centre Scientifique de Monaco (CSM), 8 Quai Antoine Ier, MC 98000 Monaco
| | - Benjamin Marie
- UMR CNRS 7245 MCAM, Muséum National d’Histoire Naturelle (MNHN), 75005 Paris, France
| | - Paula Ramos-Silva
- UMR CNRS 6282 Biogéosciences, Université de Bourgogne, 6 boulevard Gabriel, 21000 Dijon, France
- Computational Science, Informatics Institute, Universiteit van Amsterdam, Science Park 904, 1098 XH, Amsterdam, Pays-Bas
- Computational Genomics Laboratory, Instituto Gulbenkian de Ciência, Rua da Quinta Grande, 6, 2780-156 Oeiras, Portugal
| | - Irina Bundeleva
- UMR CNRS 6282 Biogéosciences, Université de Bourgogne, 6 boulevard Gabriel, 21000 Dijon, France
| | - Nathalie Guichard
- UMR CNRS 6282 Biogéosciences, Université de Bourgogne, 6 boulevard Gabriel, 21000 Dijon, France
| | - Françoise Immel
- UMR CNRS 6282 Biogéosciences, Université de Bourgogne, 6 boulevard Gabriel, 21000 Dijon, France
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Osuna-Mascaró A, Cruz-Bustos T, Benhamada S, Guichard N, Marie B, Plasseraud L, Corneillat M, Alcaraz G, Checa A, Marin F. The shell organic matrix of the crossed lamellar queen conch shell (Strombus gigas). Comp Biochem Physiol B Biochem Mol Biol 2014; 168:76-85. [DOI: 10.1016/j.cbpb.2013.11.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2013] [Revised: 11/19/2013] [Accepted: 11/22/2013] [Indexed: 11/26/2022]
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Vyumvuhore R, Tfayli A, Piot O, Le Guillou M, Guichard N, Manfait M, Baillet-Guffroy A. Raman spectroscopy: in vivo quick response code of skin physiological status. J Biomed Opt 2014; 19:111603. [PMID: 24839943 DOI: 10.1117/1.jbo.19.11.111603] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Accepted: 02/05/2014] [Indexed: 06/03/2023]
Abstract
Dermatologists need to combine different clinically relevant characteristics for a better understanding of skin health. These characteristics are usually measured by different techniques, and some of them are highly time consuming. Therefore, a predicting model based on Raman spectroscopy and partial least square (PLS) regression was developed as a rapid multiparametric method. The Raman spectra collected from the five uppermost micrometers of 11 healthy volunteers were fitted to different skin characteristics measured by independent appropriate methods (transepidermal water loss, hydration, pH, relative amount of ceramides, fatty acids, and cholesterol). For each parameter, the obtained PLS model presented correlation coefficients higher than R2=0.9. This model enables us to obtain all the aforementioned parameters directly from the unique Raman signature. In addition to that, in-depth Raman analyses down to 20 μm showed different balances between partially bound water and unbound water with depth. In parallel, the increase of depth was followed by an unfolding process of the proteins. The combinations of all these information led to a multiparametric investigation, which better characterizes the skin status. Raman signal can thus be used as a quick response code (QR code). This could help dermatologic diagnosis of physiological variations and presents a possible extension to pathological characterization.
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Affiliation(s)
- Raoul Vyumvuhore
- Université Paris-Sud, Faculty of Pharmacy, Group of Analytical Chemistry of Paris-Sud (GCAPS), 51100 Chatenay-Malabry, France
| | - Ali Tfayli
- Université Paris-Sud, Faculty of Pharmacy, Group of Analytical Chemistry of Paris-Sud (GCAPS), 51100 Chatenay-Malabry, France
| | - Olivier Piot
- Université Reims Champagne Ardennes, CNRS FRE3481 MEDyC, Faculty of Pharmacy, MéDIAN-"Biophotonics and Technologies for Health", 51100 Reims, France
| | - Maud Le Guillou
- SILAB, Department of Research and Development, 19100 BP 213, Brive Cedex, France
| | - Nathalie Guichard
- SILAB, Department of Research and Development, 19100 BP 213, Brive Cedex, France
| | - Michel Manfait
- Université Reims Champagne Ardennes, CNRS FRE3481 MEDyC, Faculty of Pharmacy, MéDIAN-"Biophotonics and Technologies for Health", 51100 Reims, France
| | - Arlette Baillet-Guffroy
- Université Paris-Sud, Faculty of Pharmacy, Group of Analytical Chemistry of Paris-Sud (GCAPS), 51100 Chatenay-Malabry, France
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Ramos-Silva P, Kaandorp J, Huisman L, Marie B, Zanella-Cléon I, Guichard N, Miller DJ, Marin F. The skeletal proteome of the coral Acropora millepora: the evolution of calcification by co-option and domain shuffling. Mol Biol Evol 2013; 30:2099-112. [PMID: 23765379 PMCID: PMC3748352 DOI: 10.1093/molbev/mst109] [Citation(s) in RCA: 113] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
In corals, biocalcification is a major function that may be drastically affected by ocean acidification (OA). Scleractinian corals grow by building up aragonitic exoskeletons that provide support and protection for soft tissues. Although this process has been extensively studied, the molecular basis of biocalcification is poorly understood. Notably lacking is a comprehensive catalog of the skeleton-occluded proteins—the skeletal organic matrix proteins (SOMPs) that are thought to regulate the mineral deposition. Using a combination of proteomics and transcriptomics, we report the first survey of such proteins in the staghorn coral Acropora millepora. The organic matrix (OM) extracted from the coral skeleton was analyzed by mass spectrometry and bioinformatics, enabling the identification of 36 SOMPs. These results provide novel insights into the molecular basis of coral calcification and the macroevolution of metazoan calcifying systems, whereas establishing a platform for studying the impact of OA at molecular level. Besides secreted proteins, extracellular regions of transmembrane proteins are also present, suggesting a close control of aragonite deposition by the calicoblastic epithelium. In addition to the expected SOMPs (Asp/Glu-rich, galaxins), the skeletal repertoire included several proteins containing known extracellular matrix domains. From an evolutionary perspective, the number of coral-specific proteins is low, many SOMPs having counterparts in the noncalcifying cnidarians. Extending the comparison with the skeletal OM proteomes of other metazoans allowed the identification of a pool of functional domains shared between phyla. These data suggest that co-option and domain shuffling may be general mechanisms by which the trait of calcification has evolved.
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Affiliation(s)
- Paula Ramos-Silva
- UMR 6282 CNRS, Biogéosciences, Université de Bourgogne, Dijon, France
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Luquet G, Fernández MS, Badou A, Guichard N, Roy NL, Corneillat M, Alcaraz G, Arias JL. Comparative ultrastructure and carbohydrate composition of gastroliths from astacidae, cambaridae and parastacidae freshwater crayfish (crustacea, decapoda). Biomolecules 2012; 3:18-38. [PMID: 24970155 PMCID: PMC4030881 DOI: 10.3390/biom3010018] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Revised: 11/27/2012] [Accepted: 11/28/2012] [Indexed: 11/16/2022] Open
Abstract
Crustaceans have to cyclically replace their rigid exoskeleton in order to grow. Most of them harden this skeleton by a calcification process. Some decapods (land crabs, lobsters and crayfish) elaborate calcium storage structures as a reservoir of calcium ions in their stomach wall, as so-called gastroliths. For a better understanding of the cyclic elaboration of these calcium deposits, we studied the ultrastructure of gastroliths from freshwater crayfish by using a combination of microscopic and physical techniques. Because sugars are also molecules putatively involved in the elaboration process of these biomineralizations, we also determined their carbohydrate composition. This study was performed in a comparative perspective on crayfish species belonging to the infra-order Astacidea (Decapoda, Malacostraca): three species from the Astacoidea superfamily and one species from the Parastacoidea superfamily. We observed that all the gastroliths exhibit a similar dense network of protein-chitin fibers, from macro- to nanoscale, within which calcium is precipitated as amorphous calcium carbonate. Nevertheless, they are not very similar at the molecular level, notably as regards their carbohydrate composition. Besides glucosamine, the basic carbohydrate component of chitin, we evidenced the presence of other sugars, some of which are species-specific like rhamnose and galacturonic acid whereas xylose and mannose could be linked to proteoglycan components.
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Affiliation(s)
- Gilles Luquet
- Biogéosciences, UMR 6282 CNRS-Université de Bourgogne, 21000 Dijon, France.
| | - María S Fernández
- Faculty of Veterinary and Animal Sciences, Universidad de Chile, Santiago, Chile.
| | - Aïcha Badou
- Biologie des Organismes et Ecosystèmes Aquatiques, UMR MNHN-CNRS 7208- UPMC-IRD 207, Station de Biologie Marine, 29900 Concarneau, France.
| | - Nathalie Guichard
- Biogéosciences, UMR 6282 CNRS-Université de Bourgogne, 21000 Dijon, France.
| | - Nathalie Le Roy
- Biogéosciences, UMR 6282 CNRS-Université de Bourgogne, 21000 Dijon, France.
| | - Marion Corneillat
- UPSP PROXISS, Département Agronomie Environnement, AgroSupDijon, 21000 Dijon, France.
| | - Gérard Alcaraz
- UPSP PROXISS, Département Agronomie Environnement, AgroSupDijon, 21000 Dijon, France.
| | - José L Arias
- Faculty of Veterinary and Animal Sciences, Universidad de Chile, Santiago, Chile.
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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] [What about the content of this article? (0)] [Affiliation(s)] [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. J Exp Zool B Mol Dev Evol 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Otmani S, Metzger D, Guichard N, Danjou P, Nir T, Zisapel N, Katz A. Effects of prolonged-release melatonin and zolpidem on postural stability in older adults. Hum Psychopharmacol 2012; 27:270-6. [PMID: 22350925 DOI: 10.1002/hup.2219] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2011] [Accepted: 01/17/2012] [Indexed: 11/06/2022]
Abstract
OBJECTIVES A prolonged-release formulation of melatonin (PR-M) is indicated for insomnia in patients aged 55 years and older. Because hypnotics result in impairments of body sway, it was important to evaluate the effect of 2 mg PR-M on postural stability in older adults at night. METHODS Twenty-four healthy volunteers (12 women, 12 men, aged 55-64 years) completed a randomized, double-blind, single-dose, three-way crossover study of postural stability of PR-M 2 mg, zolpidem 10 mg (active control) or placebo. Subjects were tested for body sway 30 min before, 1.5 and 4 h after dosing. Parameters tested were the area of the 95% confidence ellipse enclosing the center of pressure (COP; [A95]) and COP path length. RESULTS Zolpidem significantly increased the A95 (both eyes conditions at all time points) and path length of COP. PR-M had no effect on A95 (both "eyes closed" and "eyes open" conditions at all time points) compared with placebo and increased COP path length by 10% at 4 h post-dose in open but not closed eyes condition. No serious adverse events were observed. CONCLUSIONS In older adults, evening PR-M intake did not impair postural stability during the night. The postural instability with zolpidem demonstrated assay sensitivity and validated the outcome.
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Ramos-Silva P, Benhamada S, Le Roy N, Marie B, Guichard N, Zanella-Cléon I, Plasseraud L, Corneillat M, Alcaraz G, Kaandorp J, Marin F. Novel Molluskan Biomineralization Proteins Retrieved from Proteomics: A Case Study with Upsalin. Chembiochem 2012; 13:1067-78. [DOI: 10.1002/cbic.201100708] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2011] [Indexed: 11/06/2022]
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Pavat C, Zanella-Cléon I, Becchi M, Medakovic D, Luquet G, Guichard N, Alcaraz G, Dommergues JL, Serpentini A, Lebel JM, Marin F. The shell matrix of the pulmonate land snail Helix aspersa maxima. Comp Biochem Physiol B Biochem Mol Biol 2012; 161:303-14. [DOI: 10.1016/j.cbpb.2011.12.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2011] [Revised: 12/07/2011] [Accepted: 12/10/2011] [Indexed: 10/14/2022]
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Marie B, Zanella-Cléon I, Guichard N, Becchi M, Marin F. Novel proteins from the calcifying shell matrix of the Pacific oyster Crassostrea gigas. Mar Biotechnol (NY) 2011; 13:1159-1168. [PMID: 21537946 DOI: 10.1007/s10126-011-9379-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2010] [Accepted: 03/29/2011] [Indexed: 05/30/2023]
Abstract
The shell of the Pacific oyster Crassostrea gigas is composed of more than 99% CaCO₃ and of around 0.5% of occluded organic matrix. According to classical views, this matrix is supposed to regulate the shell mineral deposition. In this study, we developed one of the first proteomic approaches applied to mollusk shell in order to characterise the calcifying matrix proteins. The insoluble organic matrix, purified after demineralisation of the shell powder, was digested with trypsin enzyme, and separated on nano-LC, prior to nanospray quadrupole/time-of-flight analysis. MS/MS spectra were searched against the above 220,000 EST sequences available in the public database for Crassostrea. Using this approach, we were able to identify partial or full-length sequence transcripts that encode eight novel shell matrix proteins.
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Affiliation(s)
- Benjamin Marie
- UMR 5561 CNRS Biogéosciences, Université de Bourgogne, 6 Bd. Gabriel, Dijon 21000, France.
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Marie B, Trinkler N, Zanella-Cleon I, Guichard N, Becchi M, Paillard C, Marin F. Proteomic identification of novel proteins from the calcifying shell matrix of the Manila clam Venerupis philippinarum. Mar Biotechnol (NY) 2011; 13:955-62. [PMID: 21221694 DOI: 10.1007/s10126-010-9357-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2010] [Accepted: 12/21/2010] [Indexed: 02/05/2023]
Abstract
The shell of the Manila clam Venerupis philippinarum is composed of more than 99% calcium carbonate and of a small amount of organic matrix (around 0.2%). In this study, we developed one of the first proteomic approaches applied to mollusc shell in order to characterise the matrix proteins that are believed to be essential for the formation of the biomineral. The insoluble organic matrix, purified after demineralisation of the shell powder with cold acetic acid (5%), was digested with trypsin enzyme and then separated on nano-LC prior to nanospray/quadrupole time-of-flight analysis. MS/MS spectra were searched against the above 11,000 EST sequences available on the NCBI public database for Venerupis. Using this approach, we were able to identify partial or full-length sequence transcripts that encode for shell matrix proteins. These include three novel shell proteins whose sequences do not present any homologous proteins or already described domains, two putative protease inhibitor proteins containing Kazal-type domains, and a putative Ca(2+)-binding protein containing two EF-hand domains. Biomineral formation and evolutionary implications are discussed.
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Affiliation(s)
- Benjamin Marie
- UMR 5561 CNRS Biogéosciences, Université de Bourgogne, 6 Bd. Gabriel, Dijon, 21000, France.
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Trinkler N, Guichard N, Labonne M, Plasseraud L, Paillard C, Marin F. Variability of shell repair in the Manila clam Ruditapes philippinarum affected by the Brown Ring Disease: a microstructural and biochemical study. J Invertebr Pathol 2011; 106:407-17. [PMID: 21168415 DOI: 10.1016/j.jip.2010.12.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2010] [Revised: 11/23/2010] [Accepted: 12/10/2010] [Indexed: 02/08/2023]
Abstract
For more than two decades, the Manila clam Ruditapes philippinarum has been regularly affected by Brown Ring Disease (BRD), an epizootic event caused by the bacterium Vibrio tapetis and characterized by the development of a brown deposit on the inner face of valves. Although BRD infection is often lethal, some clams recover by mineralizing a new repair shell layer, which covers the brown deposit and fully isolates it from living tissues. In order to understand this specific shell repair process, the microstructures of repaired zones were compared to those of shells unaffected by BRD. In addition, the organic matrix associated with unaffected shells and to repair patches were extracted and compared by biochemical and immunological techniques. Our results show that the repaired zones exhibit microstructures that resemble the so-called homogeneous microstructure of the internal layer, with some marked differences, like the development of crossed-acicular crystals, which form chevron-like patterns. In the three tested batches of repaired layers, the matrices exhibit certain heterogeneity, i.e., they are partially to widely different from the ones of shells unaffected by BRD, as illustrated by SDS-PAGE and by serological comparisons. Our results strongly suggest a modification of the secretory regime of calcifying mantle cells during the shell repair process. Polyclonal antibodies, which were developed against specific protein fractions of the shell, represent relevant tools for localizing by immunohistology the cells responsible for the repair.
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Affiliation(s)
- Nolwenn Trinkler
- IUEM, UMR CNRS 6539, Technopôle Brest Iroise, 29280 Plouzané, France.
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Guichard N, Muratore I. Ce produit est-il sain ? Trois approches pour appréhender le caractère sain d’un produit alimentaire à partir de son packaging. ACTA ACUST UNITED AC 2011. [DOI: 10.7193/dm.061.55.66] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Muratore I, Guichard N. Ce produit est-il bon pour la santé ? La représentation des packagings de céréales du petit déjeuner chez les enfants. ACTA ACUST UNITED AC 2010. [DOI: 10.3917/mav.037.0159] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Boudier D, Dubreuil V, Marchand L, Guichard N, Closs B. Matrix proteins of the papillary dermis - primary targets of intrinsic dermal ageing? Int J Cosmet Sci 2009. [DOI: 10.1111/j.1468-2494.2009.00511_4.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Marie B, Luquet G, Bédouet L, Milet C, Guichard N, Medakovic D, Marin F. Nacre Calcification in the Freshwater MusselUnio pictorum: Carbonic Anhydrase Activity and Purification of a 95 kDa Calcium-Binding Glycoprotein. Chembiochem 2008; 9:2515-23. [DOI: 10.1002/cbic.200800159] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Dousset S, Jacobson AR, Dessogne JB, Guichard N, Baveye PC, Andreux F. Facilitated transport of diuron and glyphosate in high copper vineyard soils. Environ Sci Technol 2007; 41:8056-61. [PMID: 18186337 DOI: 10.1021/es071664c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The fate of organic herbicides applied to agricultural fields may be affected by other soil amendments, such as copper applied as a fungicide. The effect of copper on the leaching of diuron and glyphosate through a granitic and a calcareous soil was studied in the laboratory using sieved-soil columns. Each soil was enriched with copper sulfate to obtain soil copper concentrations of 125, 250, 500, and 1000 mg kg(-1). Glyphosate leaching was influenced by soil pH and copper concentration, whereas diuron leaching was not. In the calcareous soil, glyphosate leaching decreased as copper levels increased from 17 mg kg(-1) (background) to 500 mg kg(-1). In the granitic soil, glyphosate leaching increased as copper levels increased from 34 mg kg(-1) (background) to 500 mg kg(-1). The shapes of the copper elution curves in presence of glyphosate were similar to shapes of the glyphosate curves, suggesting the formation of Cu-glyphosate complexes that leach through the soil. Soil copper concentration does not influence diuron leaching. In contrast, increasing copper concentrations reduces glyphosate leaching through calcareous soils, and conversely, increases glyphosate leaching through granitic soils. Our findings suggest that the risk of groundwater contamination by glyphosate increases in granitic soils with elevated copper concentrations.
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Affiliation(s)
- Sylvie Dousset
- UMR 5561 Biogéosciences, UFR des Sciences de la Terre et de l'Environnement, Université de Bourgogne, 6 boulevard Gabriel, 21000 Dijon, France.
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Marie B, Luquet G, Pais De Barros JP, Guichard N, Morel S, Alcaraz G, Bollache L, Marin F. The shell matrix of the freshwater mussel Unio pictorum (Paleoheterodonta, Unionoida). Involvement of acidic polysaccharides from glycoproteins in nacre mineralization. FEBS J 2007; 274:2933-45. [PMID: 17488282 DOI: 10.1111/j.1742-4658.2007.05825.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Among molluscs, the shell biomineralization process is controlled by a set of extracellular macromolecular components secreted by the calcifying mantle. In spite of several studies, these components are mainly known in bivalves from only few members of pteriomorph groups. In the present case, we investigated the biochemical properties of the aragonitic shell of the freshwater bivalve Unio pictorum (Paleoheterodonta, Unionoida). Analysis of the amino acid composition reveals a high amount of glycine, aspartate and alanine in the acid-soluble extract, whereas the acid-insoluble one is rich in alanine and glycine. Monosaccharidic analysis indicates that the insoluble matrix comprises a high amount of glucosamine. Furthermore, a high ratio of the carbohydrates of the soluble matrix is sulfated. Electrophoretic analysis of the acid-soluble matrix revealed discrete bands. Stains-All, Alcian Blue, periodic acid/Schiff and autoradiography with (45)Ca after electrophoretic separation revealed three major polyanionic calcium-binding glycoproteins, which exhibit an apparent molecular mass of 95, 50 and 29 kDa, respectively. Two-dimensional gel electrophoresis shows that these bands, provisionally named P95, P50 and P29, are composed of numerous isoforms, the majority of which have acidic isoelectric points. Chemical deglycosylation of the matrix with trifluoromethanesulfonic acid induces a drastic shift of both the apparent molecular mass and the isoelectric point of these matrix components. This treatment induces also a modification of the shape of CaCO(3) crystals grown in vitro and a loss of the calcium-binding ability of two of the main matrix proteins (P95 and P50). Our findings strongly suggest that post-translational modifications display important functions in mollusc shell calcification.
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Affiliation(s)
- Benjamin Marie
- UMR CNRS 5561, Biogéosciences, Université de Bourgogne, 6 boulevard Gabriel, F-21000 Dijon, France.
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Jacobson AR, Dousset S, Guichard N, Baveye P, Andreux F. Diuron mobility through vineyard soils contaminated with copper. Environ Pollut 2005; 138:250-9. [PMID: 15951080 DOI: 10.1016/j.envpol.2005.04.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2004] [Accepted: 04/05/2005] [Indexed: 05/02/2023]
Abstract
The herbicide diuron is frequently applied to vineyard soils in Burgundy, along with repeated treatments with Bordeaux mixture (a blend of copper sulfate and calcium hydroxide) that result in elevated copper concentrations. Cu could in principle affect the fate and transport of diuron or its metabolites in the soil either directly by complexation or indirectly by altering the populations or activity of microbes involved in their degradation. To assess the effect of high Cu concentrations on diuron transport, an experiment was designed with ten undisturbed columns of calcareous and acidic soils contaminated with 17--509 mg kg(-1) total Cu (field-applied). Grass was planted on three columns. Diuron was applied to the soils in early May and in-ground lysimeters were exposed to outdoor conditions until November. Less than 1.2% of the diuron applied was found in the leachates as diuron or its metabolites. Higher concentrations were found in the effluents from the grass-covered columns (0.1--0.45%) than from the bare-soil columns (0.02--0.14%), and they were correlated with increases in dissolved organic carbon. The highest amounts of herbicide were measured in acidic-soil column leachates (0.98--1.14%) due to the low clay and organic matter contents of these soils. Cu also leached more readily through the acidic soils (32.8--1042 microg) than in the calcareous soils (9.5--63.4 microg). Unlike in the leachates, the amount of diuron remaining in the soils at the end of the experiment was weakly related to the Cu concentrations in the soils.
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Affiliation(s)
- Astrid R Jacobson
- UMR INRA 1229 Microbiologie-Géochimie des Sols, Centre des Sciences de la Terre, Université de Bourgogne, 6 Bd Gabriel, 21000 Dijon, France.
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Marin F, Amons R, Guichard N, Stigter M, Hecker A, Luquet G, Layrolle P, Alcaraz G, Riondet C, Westbroek P. Caspartin and Calprismin, Two Proteins of the Shell Calcitic Prisms of the Mediterranean Fan Mussel Pinna nobilis. J Biol Chem 2005; 280:33895-908. [PMID: 15994301 DOI: 10.1074/jbc.m506526200] [Citation(s) in RCA: 118] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We used the combination of preparative electrophoresis and immunological detection to isolate two new proteins from the shell calcitic prisms of Pinna nobilis, the Mediterranean fan mussel. The amino acid composition of these proteins was determined. Both proteins are soluble, intracrystalline, and acidic. The 38-kDa protein is glycosylated; the 17-kDa one is not. Ala, Asx, Thr, and Pro represent the dominant residues of the 38-kDa protein, named calprismin. An N-terminal sequence was obtained from calprismin. This sequence, which comprises a pattern of 4 cysteine residues, is not related to any known protein. The second protein, named caspartin, exhibits an unusual amino acid composition, since Asx constitutes by far the main amino acid residue. Preliminary sequencing surprisingly suggests that the first 75 N-terminal residues are all Asp. Caspartin self-aggregates spontaneously into multimers. In vitro tests show that it inhibits the precipitation of calcium carbonate. Furthermore, it strongly interferes with the growth of calcite crystals. A polyclonal antiserum raised against caspartin was used to localize this protein in the shell by immunogold. The immunolocalization demonstrates that caspartin is distributed within the prisms and makes a continuous film at the interface between the prisms and the surrounding insoluble sheets. Our finding emphasizes the prominent role of aspartic acid-rich proteins for the building of calcitic prisms among molluscs.
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Affiliation(s)
- Frédéric Marin
- UMR CNRS 5561 "Biogéosciences," Université de Bourgogne, 6 Boulevard Gabriel, Dijon F-21000, France.
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Vérin P, Guichard N, Gomez M, Kani M. [Fitting very young children with contact lenses]. Bull Soc Ophtalmol Fr 1981; 81:947-8. [PMID: 7340970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Vérin P, Guichard N, Gomez M, Kani M. [Fitting visually defective patients with contact lenses]. Bull Soc Ophtalmol Fr 1981; 81:949-50. [PMID: 7340971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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