1
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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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2
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de Frutos M, Rodríguez-Navarro AB, Li X, Checa AG. Nanoscale Analysis of the Structure and Composition of Biogenic Calcite Reveals the Biomineral Growth Pattern. ACS NANO 2023; 17:2829-2839. [PMID: 36696398 DOI: 10.1021/acsnano.2c11169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The vast majority of calcium carbonate biocrystals differ from inorganic crystals in that they display a patent nanoroughness consisting of lumps of crystalline material (calcite/aragonite) surrounded by amorphous pellicles. Scanning transmission electron microscopy coupled with electron energy loss spectroscopy (STEM-EELS) was used to map the calcite secreted by a barnacle chemically and structurally with ultrahigh resolution (down to 1 nm). The material is composed of irregular lumps of calcite (up to two hundred nm in diameter) surrounded by relatively continuous cortexes (up to 20 nm thick) of amorphous calcium carbonate (ACC) and/or nanocalcite plus biomolecules, with a surplus of calcium relative to carbonate. We develop a model by which the separation of the crystalline and amorphous phases takes place upon crystallization of the calcite from a precursor ACC. The organic biomolecules are expelled from the crystal lattice and concentrate in the form of pellicles, where they stabilize minor amounts of ACC/nanocalcite. In this way, we change the previously established conception of biomineral structure and growth.
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Affiliation(s)
- Marta de Frutos
- Laboratoire de Physique des Solides (LPS), CNRS UMR 8502, Université Paris-Saclay, F-91405 Orsay, France
| | | | - Xiaoyan Li
- Laboratoire de Physique des Solides (LPS), CNRS UMR 8502, Université Paris-Saclay, F-91405 Orsay, France
| | - Antonio G Checa
- Departamento de Estratigrafía y Paleontología, Universidad de Granada, ES-18071 Granada, Spain
- Instituto Andaluz de Ciencias de la Tierra, CSIC-Universidad de Granada, 18100 Armilla, Spain
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3
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Slama T, Nouet J, Chassefière E, Trigui El Menif N, Lahbib Y. Monitoring of coastal pollution using shell alterations in the false limpet Siphonaria pectinata. MARINE POLLUTION BULLETIN 2021; 173:113063. [PMID: 34717221 DOI: 10.1016/j.marpolbul.2021.113063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/10/2021] [Accepted: 10/12/2021] [Indexed: 06/13/2023]
Abstract
Lipid peroxidation level (LPO), shell biometry, shape, elemental content, and microstructure were studied in three populations of Siphonaria pectinata in the complex lagoon-channel of Bizerte across a coastal pollution gradient (northern Tunisia). LPO was found in higher concentrations in harbour populations, and shells had centred apex and were flattened. Shells were also thicker, particularly in the inner layer, with many fibrous inter-beds formed. Difference in crystallization pattern was observed in numerous shells from all three populations, being more common in harbours. From the control station to the contaminated stations, shell elemental changes were observed, with a decrease in Ca, P, Sr, and S and an increase in Cl, Cd, Cu, Fe, and K. All of these findings suggested that shell alterations could be used as a good biomarker for coastal contamination.
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Affiliation(s)
- Tasnime Slama
- Université de Carthage, Faculté des Sciences de Bizerte, LR01ES14, Laboratoire de Biosurveillance de l'Environnement, 7021 Zarzouna, Tunisie
| | - Julius Nouet
- Université Paris-Saclay, CNRS, GEOPS, 91405, Orsay, France
| | | | - Najoua Trigui El Menif
- Université de Carthage, Faculté des Sciences de Bizerte, LR01ES14, Laboratoire de Biosurveillance de l'Environnement, 7021 Zarzouna, Tunisie
| | - Youssef Lahbib
- Université de Carthage, Faculté des Sciences de Bizerte, LR01ES14, Laboratoire de Biosurveillance de l'Environnement, 7021 Zarzouna, Tunisie; Université de Tunis, Institut Supérieur des Métiers du Patrimoine de Tunis, Tunisie.
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4
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Checa AG, Macías-Sánchez E, Rodríguez-Navarro AB, Sánchez-Navas A, Lagos NA. Origin of the biphase nature and surface roughness of biogenic calcite secreted by the giant barnacle Austromegabalanus psittacus. Sci Rep 2020; 10:16784. [PMID: 33033294 PMCID: PMC7544902 DOI: 10.1038/s41598-020-73804-8] [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: 07/06/2020] [Accepted: 09/23/2020] [Indexed: 11/22/2022] Open
Abstract
The calcite grains forming the wall plates of the giant barnacle Austramegabalanus psittacus have a distinctive surface roughness made of variously sized crystalline nanoprotrusions covered by extremely thin amorphous pellicles. This biphase (crystalline-amorphous) structure also penetrates through the crystal’s interiors, forming a web-like structure. Nanoprotrusions very frequently elongate following directions related to the crystallographic structure of calcite, in particular, the <− 441> directions, which are the strongest periodic bond chains (PBCs) in calcite. We propose that the formation of elongated nanoprotrusions happens during the crystallization of calcite from a precursor amorphous calcium carbonate (ACC). This is because biomolecules integrated within the ACC are expelled from such PBCs due to the force of crystallization, with the consequent formation of uninterrupted crystalline nanorods. Expelled biomolecules accumulate in adjacent regions, thereby stabilizing small pellicle-like volumes of ACC. With growth, such pellicles become occluded within the crystal. In summary, the surface roughness of the biomineral surface reflects the complex shape of the crystallization front, and the biphase structure provides evidence for crystallization from an amorphous precursor. The surface roughness is generally explained as resulting from the attachment of ACC particles to the crystal surface, which later crystallised in concordance with the crystal lattice. If this was the case, the nanoprotrusions do not reflect the size and shape of any precursor particle. Accordingly, the particle attachment model for biomineral formation should seek new evidence.
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Affiliation(s)
- Antonio G Checa
- Departamento de Estratigrafía y Paleontología, Universidad de Granada, 18071, Granada, Spain. .,Instituto Andaluz de Ciencias de la Tierra, CSIC-Universidad de Granada, 18100, Armilla, Spain.
| | - Elena Macías-Sánchez
- Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, 6500 HB, Nijmegen, The Netherlands.,Max Planck Institute of Colloids and Interfaces, 14476, Potsdam, Germany
| | | | - Antonio Sánchez-Navas
- Departamento de Mineralogía y Petrología, Universidad de Granada, 18071, Granada, Spain
| | - Nelson A Lagos
- Centro de Investigación e Innovación para el Cambio Climático, Facultad de Ciencias, Universidad Santo Tomás, Santiago, Chile
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5
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Natural arrangement of fiber-like aragonites and its impact on mechanical behavior of mollusk shells: A review. J Mech Behav Biomed Mater 2020; 110:103940. [PMID: 32957234 DOI: 10.1016/j.jmbbm.2020.103940] [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] [Received: 12/15/2019] [Revised: 04/13/2020] [Accepted: 06/15/2020] [Indexed: 11/20/2022]
Abstract
During billions of years of evolution, creatures in nature have possessed nearly perfect structures and functions for survival. Multiscale structures in biological materials over several length scales play a pivotal role in achieving structural and functional integrity. Fiber, as a common principal structural element in nature, can be easily constructed in different ways, thus resulting in various natural structures. In this review, we summarized the decades of investigations on a typical biological structure constructed by fiber aragonites in mollusk shells. Crossed-lamellar structure, as one of the most widespread structures in mollusk shells, reconciles the strength-toughness trade-off dilemma successfully due to the presence of highly-hierarchical architectures. This distinctive structure includes several orders of sub-lamellae, and the different order lamellae present a cross-ply feature in one macro crossed-lamellar layer. When a mollusk shell has more than one macro-layer, the crossed-lamellar structure exhibits various forms of architectures including 0°/90°, 0°/90°/0° typical-sandwich, 15°/75°/0° quasi-sandwich, and 0°/90°/0°/90° arranged modes. The fracture resistance and the relevant toughening mechanisms are directly related to the highly-hierarchical crossed-lamellar structures on different length scales. This article is aimed to review the different arranged modes of crossed-lamellar structures existing in nature, with special attention to their impact on the mechanical behavior and salient toughening mechanisms over several length scales, for seeking the design guidelines for the fabrication of bio-inspired advanced engineering materials that are adaptive to different loading conditions.
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6
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Albéric M, Stifler CA, Zou Z, Sun CY, Killian CE, Valencia S, Mawass MA, Bertinetti L, Gilbert PUPA, Politi Y. Growth and regrowth of adult sea urchin spines involve hydrated and anhydrous amorphous calcium carbonate precursors. JOURNAL OF STRUCTURAL BIOLOGY-X 2019; 1:100004. [PMID: 32647811 PMCID: PMC7337052 DOI: 10.1016/j.yjsbx.2019.100004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/27/2019] [Accepted: 01/28/2019] [Indexed: 01/25/2023]
Abstract
In various mineralizing marine organisms, calcite or aragonite crystals form through the initial deposition of amorphous calcium carbonate (ACC) phases with different hydration levels. Using X-ray PhotoEmission Electron spectroMicroscopy (X-PEEM), ACCs with varied spectroscopic signatures were previously identified. In particular, ACC type I and II were recognized in embryonic sea urchin spicules. ACC type I was assigned to hydrated ACC based on spectral similarity with synthetic hydrated ACC. However, the identity of ACC type II has never been unequivocally determined experimentally. In the present study we show that synthetic anhydrous ACC and ACC type II identified here in sea urchin spines, have similar Ca L2,3-edge spectra. Moreover, using X-PEEM chemical mapping, we revealed the presence of ACC-H2O and anhydrous ACC in growing stereom and septa regions of sea urchin spines, supporting their role as precursor phases in both structures. However, the distribution and the abundance of the two ACC phases differ substantially between the two growing structures, suggesting a variation in the crystal growth mechanism; in particular, ACC dehydration, in the two-step reaction ACC-H2O → ACC → calcite, presents different kinetics, which are proposed to be controlled biologically.
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Affiliation(s)
- Marie Albéric
- Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany
| | - Cayla A Stifler
- Department of Physics, University of Wisconsin, Madison, WI 53706, USA
| | - Zhaoyong Zou
- Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany.,State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 430070 Wuhan, China
| | - Chang-Yu Sun
- Department of Physics, University of Wisconsin, Madison, WI 53706, USA.,Materials Science Program, University of Wisconsin, Madison, WI 53706, USA
| | - Christopher E Killian
- Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA
| | - Sergio Valencia
- Helmholtz-Zentrum Berlin für Materialen & Energie, 12489 Berlin, Germany
| | | | - Luca Bertinetti
- Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany
| | - Pupa U P A Gilbert
- Department of Physics, University of Wisconsin, Madison, WI 53706, USA.,Departments of Chemistry, Geoscience, Materials Science and Engineering, University of Wisconsin, Madison, WI 53706, USA
| | - Yael Politi
- Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany
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7
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Mastropietro F, Godard P, Burghammer M, Chevallard C, Daillant J, Duboisset J, Allain M, Guenoun P, Nouet J, Chamard V. Revealing crystalline domains in a mollusc shell single-crystalline prism. NATURE MATERIALS 2017; 16:946-952. [PMID: 28692039 DOI: 10.1038/nmat4937] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 06/08/2017] [Indexed: 05/12/2023]
Abstract
Biomineralization integrates complex processes leading to an extraordinary diversity of calcareous biomineral crystalline architectures, in intriguing contrast with the consistent presence of a sub-micrometric granular structure. Hence, gaining access to the crystalline architecture at the mesoscale, that is, over a few granules, is key to building realistic biomineralization scenarios. Here we provide the nanoscale spatial arrangement of the crystalline structure within the 'single-crystalline' prisms of the prismatic layer of a Pinctada margaritifera shell, exploiting three-dimensional X-ray Bragg ptychography microscopy. We reveal the details of the mesocrystalline organization, evidencing a crystalline coherence extending over a few granules. We additionally prove the existence of larger iso-oriented crystalline domains, slightly misoriented with respect to each other, around one unique rotation axis, and whose shapes are correlated with iso-strain domains. The highlighted mesocrystalline properties support recent biomineralization models involving partial fusion of oriented nanoparticle assembly and/or liquid droplet precursors.
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Affiliation(s)
- F Mastropietro
- Aix-Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, F-13013 Marseille, France
| | - P Godard
- Aix-Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, F-13013 Marseille, France
| | - M Burghammer
- European Synchrotron Radiation Facility, F-38043 Grenoble Cedex, France
| | - C Chevallard
- NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex, France
| | - J Daillant
- Synchrotron SOLEIL, F-91192 Gif-sur-Yvette Cedex, France
| | - J Duboisset
- Aix-Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, F-13013 Marseille, France
| | - M Allain
- Aix-Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, F-13013 Marseille, France
| | - P Guenoun
- NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex, France
| | - J Nouet
- GEOPS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 91405 Orsay, France
| | - V Chamard
- Aix-Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, F-13013 Marseille, France
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8
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Agbaje OBA, Wirth R, Morales LFG, Shirai K, Kosnik M, Watanabe T, Jacob DE. Architecture of crossed-lamellar bivalve shells: the southern giant clam ( Tridacna derasa, Röding, 1798). ROYAL SOCIETY OPEN SCIENCE 2017; 4:170622. [PMID: 28989765 PMCID: PMC5627105 DOI: 10.1098/rsos.170622] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Accepted: 08/07/2017] [Indexed: 06/01/2023]
Abstract
Tridacna derasa shells show a crossed lamellar microstructure consisting of three hierarchical lamellar structural orders. The mineral part is intimately intergrown with 0.9 wt% organics, namely polysaccharides, glycosylated and unglycosylated proteins and lipids, identified by Fourier transform infrared spectrometry. Transmission electron microscopy shows nanometre-sized grains with irregular grain boundaries and abundant voids. Twinning is observed across all spatial scales and results in a spread of the crystal orientation angles. Electron backscatter diffraction analysis shows a strong fibre texture with the [001] axes of aragonite aligned radially to the shell surface. The aragonitic [100] and [010] axes are oriented randomly around [001]. The random orientation of anisotropic crystallographic directions in this plane reduces anisotropy of the Young's modulus and adds to the optimization of mechanical properties of bivalve shells.
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Affiliation(s)
- O. B. A. Agbaje
- Department of Earth and Planetary Sciences, Macquarie University, Sydney, NSW 2109, Australia
| | - R. Wirth
- Helmholtz-Centre Potsdam, German Research Centre for Geosciences GFZ, 14473 Potsdam, Germany
| | - L. F. G. Morales
- Scientific Center for Optical and Electron Microscopy (ScopeM), ETH Zürich, Auguste-Piccard-Hof 1, HPT D9, 8093 Zürich, Switzerland
| | - K. Shirai
- International Coastal Research Center, Atmosphere and Ocean Research Institute, The University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa-shi, Chiba 277-8564, Japan
| | - M. Kosnik
- Department of Biological Sciences, Macquarie University, Sydney, NSW 2109, Australia
| | - T. Watanabe
- Department of Natural History Sciences, Hokkaido University, N10W8, Kita-ku, Sapporo 060-0810, Japan
| | - D. E. Jacob
- Department of Earth and Planetary Sciences, Macquarie University, Sydney, NSW 2109, Australia
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9
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Wolf SE, Böhm CF, Harris J, Demmert B, Jacob DE, Mondeshki M, Ruiz-Agudo E, Rodríguez-Navarro C. Nonclassical crystallization in vivo et in vitro (I): Process-structure-property relationships of nanogranular biominerals. J Struct Biol 2016; 196:244-259. [DOI: 10.1016/j.jsb.2016.07.016] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Revised: 05/25/2016] [Accepted: 07/22/2016] [Indexed: 12/20/2022]
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10
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Gaspard D, Nouet J. Hierarchical architecture of the inner layers of selected extant rhynchonelliform brachiopods. J Struct Biol 2016; 196:197-205. [DOI: 10.1016/j.jsb.2016.07.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Revised: 07/28/2016] [Accepted: 07/30/2016] [Indexed: 11/24/2022]
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11
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Nouet J, Chevallard C, Farre B, Nehrke G, Campmas E, Stoetzel E, El Hajraoui MA, Nespoulet R. Limpet Shells from the Aterian Level 8 of El Harhoura 2 Cave (Témara, Morocco): Preservation State of Crossed-Foliated Layers. PLoS One 2015; 10:e0137162. [PMID: 26376294 PMCID: PMC4574309 DOI: 10.1371/journal.pone.0137162] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Accepted: 08/14/2015] [Indexed: 12/02/2022] Open
Abstract
The exploitation of mollusks by the first anatomically modern humans is a central question for archaeologists. This paper focuses on level 8 (dated around ∼ 100 ka BP) of El Harhoura 2 Cave, located along the coastline in the Rabat-Témara region (Morocco). The large quantity of Patella sp. shells found in this level highlights questions regarding their origin and preservation. This study presents an estimation of the preservation status of these shells. We focus here on the diagenetic evolution of both the microstructural patterns and organic components of crossed-foliated shell layers, in order to assess the viability of further investigations based on shell layer minor elements, isotopic or biochemical compositions. The results show that the shells seem to be well conserved, with microstructural patterns preserved down to sub-micrometric scales, and that some organic components are still present in situ. But faint taphonomic degradations affecting both mineral and organic components are nonetheless evidenced, such as the disappearance of organic envelopes surrounding crossed-foliated lamellae, combined with a partial recrystallization of the lamellae. Our results provide a solid case-study of the early stages of the diagenetic evolution of crossed-foliated shell layers. Moreover, they highlight the fact that extreme caution must be taken before using fossil shells for palaeoenvironmental or geochronological reconstructions. Without thorough investigation, the alteration patterns illustrated here would easily have gone unnoticed. However, these degradations are liable to bias any proxy based on the elemental, isotopic or biochemical composition of the shells. This study also provides significant data concerning human subsistence behavior: the presence of notches and the good preservation state of limpet shells (no dissolution/recrystallization, no bioerosion and no abrasion/fragmentation aspects) would attest that limpets were gathered alive with tools by Middle Palaeolithic (Aterian) populations in North Africa for consumption.
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Affiliation(s)
- Julius Nouet
- Université Paris Sud, CNRS UMR GEOPS 8148, bâtiment 504, campus universitaire, 91405 Orsay cedex, France
- * E-mail:
| | - Corinne Chevallard
- CEA, CNRS IRAMIS, UMR SIS2M 3299, LIONS, CEA-Saclay, F- 91191 Gif-sur-Yvette, France
| | - Bastien Farre
- ISTO, CNRS UMR 7327, 1A rue de la Férolerie 45071 Orléans cedex 2, France
| | - Gernot Nehrke
- Alfred Wegener Institute for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany
| | - Emilie Campmas
- Université Toulouse Jean Jaurès, CNRS UMR TRACES 5608, Maison de la Recherche, 5 allée Antonio Machado, 31058 Toulouse, France
| | - Emmanuelle Stoetzel
- Muséum National d’Histoire Naturelle, Département de Préhistoire, CNRS UMR 7194, Musée de l’Homme, bureau 345, Paris, France
| | - Mohamed Abdeljalil El Hajraoui
- Institut National des Sciences de l’Archéologie et du Patrimoine, angle rues 5 et 7 Rabat Instituts, Madinat Al Irfane, Rabat Hay Riyad, Morocco
| | - Roland Nespoulet
- Muséum National d’Histoire Naturelle, Département de Préhistoire, CNRS UMR 7194, Musée de l’Homme, bureau 345, Paris, France
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12
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Jiao D, Liu Z, Zhang Z, Zhang Z. Intrinsic hierarchical structural imperfections in a natural ceramic of bivalve shell with distinctly graded properties. Sci Rep 2015; 5:12418. [PMID: 26198844 PMCID: PMC4510529 DOI: 10.1038/srep12418] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 06/29/2015] [Indexed: 11/23/2022] Open
Abstract
Despite the extensive investigation on the structure of natural biological materials, insufficient attention has been paid to the structural imperfections by which the mechanical properties of synthetic materials are dominated. In this study, the structure of bivalve Saxidomus purpuratus shell has been systematically characterized quantitatively on multiple length scales from millimeter to sub-nanometer. It is revealed that hierarchical imperfections are intrinsically involved in the crossed-lamellar structure of the shell despite its periodically packed platelets. In particular, various favorable characters which are always pursued in synthetic materials, e.g. nanotwins and low-angle misorientations, have been incorporated herein. The possible contributions of these imperfections to mechanical properties are further discussed. It is suggested that the imperfections may serve as structural adaptations, rather than detrimental defects in the real sense, to help improve the mechanical properties of natural biological materials. This study may aid in understanding the optimizing strategies of structure and properties designed by nature, and accordingly, provide inspiration for the design of synthetic materials.
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Affiliation(s)
- Da Jiao
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
| | - Zengqian Liu
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
| | - Zhenjun Zhang
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
| | - Zhefeng Zhang
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
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13
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Gilis M, Meibom A, Alexander D, Grauby O, Stolarski J, Baronnet A. Morphology, microstructure, crystallography, and chemistry of distinct CaCO3 deposits formed by early recruits of the scleractinian coral Pocillopora damicornis. J Morphol 2015; 276:1146-56. [PMID: 26193820 DOI: 10.1002/jmor.20401] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 02/11/2015] [Accepted: 04/28/2015] [Indexed: 11/08/2022]
Abstract
Scleractinian corals begin their biomineralization process shortly after larval settlement with the formation of calcium carbonate (CaCO(3)) structures at the interface between the larval tissues and the substrate. The newly settled larvae exert variable degrees of control over this skeleton formation, providing an opportunity to study a range of biocarbonate structures, some of which are transient and not observed in adult coral skeletons. Here we present a morphological, structural, crystallographic, and chemical comparison between two types of aragonite deposits observed during the skeletal development of 2-days old recruits of Pocillopora damicornis: (1) Primary septum and (2) Abundant, dumbbell-like structures, quasi-randomly distributed between initial deposits of the basal plate and not present in adult corals-At the mesoscale level, initial septa structures are formed by superimposed fan-shaped fasciculi consisting of bundles of fibers, as also observed in adult corals. This organization is not observed in the dumbbell-like structures. However, at the ultrastructural level there is great similarity between septa and dumbbell components. Both are composed of <100 nm granular units arranged into larger single-crystal domains.Chemically, a small difference is observed between the septae with an average Mg/Ca ratio around 11 mmol/mol and the dumbbell-like structures with ca. 7 mmol/mol; Sr/Ca ratios are similar in the two structures at around 8 mmol/mol-Overall, the observed differences in distribution, morphology, and chemistry between septa, which are highly conserved structures fundamental to the architecture of the skeleton, and the transient, dumbbell-like structures, suggest that the latter might be formed through less controlled biomineralization processes. Our observations emphasize the inherent difficulties involved in distinguishing different biomineralization pathways based on ultrastructural and crystallographical observations.
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Affiliation(s)
- Melany Gilis
- Laboratory for Biological Geochemistry, School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, CH-1009, Switzerland.,Center for Advanced Surface Analysis, Institute of Earth Sciences, University of Lausanne, Lausanne, CH-1009, Switzerland
| | - Anders Meibom
- Laboratory for Biological Geochemistry, School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, CH-1009, Switzerland.,Center for Advanced Surface Analysis, Institute of Earth Sciences, University of Lausanne, Lausanne, CH-1009, Switzerland
| | - Duncan Alexander
- Interdisciplinary Centre for Electron Microscopy, Ecole Polytechnique Fédérale de Lausanne, Switzerland
| | - Olivier Grauby
- Aix-Marseille Université and Centre Interdisciplinaire de Nanosciences De Marseille (CINaM), Campus de Luminy, Marseille, 13288, France
| | - Jarosław Stolarski
- Institute of Paleobiology, Polish Academy of Sciences, Twarda 51/55, Warsaw, PL-00-818, Poland
| | - Alain Baronnet
- Aix-Marseille Université and Centre Interdisciplinaire de Nanosciences De Marseille (CINaM), Campus de Luminy, Marseille, 13288, France
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Füllenbach CS, Schöne BR, Branscheid R. Microstructures in shells of the freshwater gastropod Viviparus viviparus: a potential sensor for temperature change? Acta Biomater 2014; 10:3911-21. [PMID: 24704696 DOI: 10.1016/j.actbio.2014.03.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Revised: 02/21/2014] [Accepted: 03/26/2014] [Indexed: 10/25/2022]
Abstract
Mollusk shells contain a plethora of information on past climate variability. However, only a limited toolkit is currently available to reconstruct such data from the shells. The environmental data of some proxies (e.g. Sr/Ca ratios) is obscured by physiological effects, whereas other proxies, such as δ(18)O, simultaneously provide information on two or more different environmental variables. The present study investigates whether microstructures of the freshwater gastropod Viviparus viviparus provide an alternative means to reconstruct past water temperature. Cold and highly variable temperature regimes resulted in the precipitation of highly unordered first-order lamellae of simple crossed-lamellar (XLM) structures if new shell formed from scratch. However, during stable and warm conditions, well-ordered first-order lamellae were laid down irrespective of pre-existing shell material. Homogeneous first-order lamellae also formed during times of cold and highly variable temperatures if the new shell was deposited onto existing shell material with well-ordered first-order lamellae. The growth front seems to contain instructions for building specific microstructure variants, irrespective of environmental conditions. However, if this template is missing, the animal forms a deviating microstructure. Under extremely stressful situations (e.g. removal from habitat, calcein staining, extreme temperature shifts), the gastropod precipitates an evolutionarily older microstructure (irregular simple prisms) rather than XLM structures. These shell portions were macroscopically described as disturbance lines. In addition, repetitive, presumably periodic growth patterns were observed, which consisted of gradually changing third-order lamellae between consecutive faint, organic-rich growth lines. These growth patterns were probably controlled by intrinsic biological clocks and exhibited a two-daily periodicity. The results of this study may provide the basis for using changes in the microstructure of shell sections as a new sensor (environmental proxy) for past water temperature.
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15
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Homoepitaxial meso- and microscale crystal co-orientation and organic matrix network structure in Mytilus edulis nacre and calcite. Acta Biomater 2013; 9:9492-502. [PMID: 23896564 DOI: 10.1016/j.actbio.2013.07.020] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Revised: 07/02/2013] [Accepted: 07/17/2013] [Indexed: 11/22/2022]
Abstract
New developments in high-resolution, low accelaration voltage electron backscatter diffraction (EBSD) enable us to resolve and quantify the co-orientation of nanocrystals constituting biological carbonate crystals with a scan step resolution of 125 nm. This allows the investigation of internal structures in carbonate tablets and tower biocrystals in the nacre of mollusc shells, and it provides details on the calcite-aragonite polymorph interface in bivalves. Within the aragonite tablets of Mytilus edulis nacre we find a mesoscale crystallographic mosaic structure with a misorientation distribution of 2° full width at half maximum. Selective etching techniques with critical point drying reveal an organic matrix network inside the nacre tablets. The size scales of the visible aragonite tablet subunits and nanoparticles correspond to those of the open pore system in the organic matrix network. We further observe by EBSD that crystal co-orientation spans over tablet boundaries and forms composite crystal units of up to 20 stacked co-oriented tablets (tower crystals). Statistical evaluation of the misorientation data gives a probability distribution of grain boundary misorientations with two maxima: a dominant peak for very-small-angle grain boundaries and a small maximum near 64°, the latter corresponding to {110} twinning orientations. However, the related twin boundaries are typically the membrane-lined {001} flat faces of the tablets and not {110} twin walls within tablets. We attribute this specific pattern of misorientation distribution to growth by particle accretion and subsequent semicoherent homoepitaxial crystallization. The semicoherent crystallization percolates between the tablets through mineral bridges and across matrix membranes surrounding the tablets. In the "prismatic" calcite layer crystallographic co-orientation of the prisms reaches over more than 50 micrometers.
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16
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Gilis M, Grauby O, Willenz P, Dubois P, Heresanu V, Baronnet A. Biomineralization in living hypercalcified demosponges: Toward a shared mechanism? J Struct Biol 2013; 183:441-454. [DOI: 10.1016/j.jsb.2013.05.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Revised: 05/24/2013] [Accepted: 05/29/2013] [Indexed: 11/29/2022]
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17
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Checa AG, Mutvei H, Osuna-Mascaró AJ, Bonarski JT, Faryna M, Berent K, Pina CM, Rousseau M, Macías-Sánchez E. Crystallographic control on the substructure of nacre tablets. J Struct Biol 2013; 183:368-376. [PMID: 23933391 DOI: 10.1016/j.jsb.2013.07.014] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 07/17/2013] [Accepted: 07/28/2013] [Indexed: 11/18/2022]
Abstract
Nacre tablets of mollusks develop two kinds of features when either the calcium carbonate or the organic portions are removed: (1) parallel lineations (vermiculations) formed by elongated carbonate rods, and (2) hourglass patterns, which appear in high relief when etched or in low relief if bleached. In untreated tablets, SEM and AFM data show that vermiculations correspond to aligned and fused aragonite nanogloblules, which are partly surrounded by thin organic pellicles. EBSD mapping of the surfaces of tablets indicates that the vermiculations are invariably parallel to the crystallographic a-axis of aragonite and that the triangles are aligned with the b-axis and correspond to the advance of the {010} faces during the growth of the tablet. According to our interpretation, the vermiculations appear because organic molecules during growth are expelled from the a-axis, where the Ca-CO3 bonds are the shortest. In this way, the subunits forming nacre merge uninterruptedly, forming chains parallel to the a-axis, whereas the organic molecules are expelled to the sides of these chains. Hourglass patterns would be produced by preferential adsorption of organic molecules along the {010}, as compared to the {100} faces. A model is presented for the nanostructure of nacre tablets. SEM and EBSD data also show the existence within the tablets of nanocrystalline units, which are twinned on {110} with the rest of the tablet. Our study shows that the growth dynamics of nacre tablets (and bioaragonite in general) results from the interaction at two different and mutually related levels: tablets and nanogranules.
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Affiliation(s)
- Antonio G Checa
- Departamento de Estratigrafía y Paleontología, Facultad de Ciencias, Universidad de Granada, Avenida Fuentenueva s/n, 18071 Granada, Spain.
| | - Harry Mutvei
- Department of Paleozoology, Swedish Museum of Natural History, Frescativägen 40, 11-418 Stockholm, Sweden.
| | - Antonio J Osuna-Mascaró
- Departamento de Estratigrafía y Paleontología, Facultad de Ciencias, Universidad de Granada, Avenida Fuentenueva s/n, 18071 Granada, Spain.
| | - Jan T Bonarski
- Institute of Metallurgy and Materials Science of the Polish Academy of Sciences, Reymonta. 25, 30-059 Kraków, Poland.
| | - Marek Faryna
- Institute of Metallurgy and Materials Science of the Polish Academy of Sciences, Reymonta. 25, 30-059 Kraków, Poland.
| | - Katarzyna Berent
- Institute of Metallurgy and Materials Science of the Polish Academy of Sciences, Reymonta. 25, 30-059 Kraków, Poland.
| | - Carlos M Pina
- Departamento de Cristalografía y Mineralogía, Facultad de Ciencias Geológicas, Universidad Complutense de Madrid, José Antonio Novais s/n, 28040 Madrid, Spain.
| | - Marthe Rousseau
- CNRS, UMR7365, Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Faculté de Médecine, Université de Lorraine, 9 Avenue de la Forêt de Haye, 54505 Vandoeuvre-lès-Nancy, France.
| | - Elena Macías-Sánchez
- Departamento de Estratigrafía y Paleontología, Facultad de Ciencias, Universidad de Granada, Avenida Fuentenueva s/n, 18071 Granada, Spain.
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18
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Checa AG, Bonarski JT, Willinger MG, Faryna M, Berent K, Kania B, González-Segura A, Pina CM, Pospiech J, Morawiec A. Crystallographic orientation inhomogeneity and crystal splitting in biogenic calcite. J R Soc Interface 2013; 10:20130425. [PMID: 23804442 DOI: 10.1098/rsif.2013.0425] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The calcitic prismatic units forming the outer shell of the bivalve Pinctada margaritifera have been analysed using scanning electron microscopy-electron back-scatter diffraction, transmission electron microscopy and atomic force microscopy. In the initial stages of growth, the individual prismatic units are single crystals. Their crystalline orientation is not consistent but rather changes gradually during growth. The gradients in crystallographic orientation occur mainly in a direction parallel to the long axis of the prism, i.e. perpendicular to the shell surface and do not show preferential tilting along any of the calcite lattice axes. At a certain growth stage, gradients begin to spread and diverge, implying that the prismatic units split into several crystalline domains. In this way, a branched crystal, in which the ends of the branches are independent crystalline domains, is formed. At the nanometre scale, the material is composed of slightly misoriented domains, which are separated by planes approximately perpendicular to the c-axis. Orientational gradients and splitting processes are described in biocrystals for the first time and are undoubtedly related to the high content of intracrystalline organic molecules, although the way in which these act to induce the observed crystalline patterns is a matter of future research.
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Affiliation(s)
- Antonio G Checa
- Departamento de Estratigrafía y Paleontología, Facultad de Ciencias, Universidad de Granada, Granada, Spain.
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Suzuki M, Kim H, Mukai H, Nagasawa H, Kogure T. Quantitative XRD analysis of {110} twin density in biotic aragonites. J Struct Biol 2012; 180:458-68. [DOI: 10.1016/j.jsb.2012.09.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Revised: 07/31/2012] [Accepted: 09/08/2012] [Indexed: 10/27/2022]
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20
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Younis S, Kauffmann Y, Pokroy B, Zolotoyabko E. Atomic structure and ultrastructure of the Murex troscheli shell. J Struct Biol 2012; 180:539-45. [DOI: 10.1016/j.jsb.2012.09.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Revised: 09/24/2012] [Accepted: 09/25/2012] [Indexed: 10/27/2022]
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21
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Biochemical Change at the Setting-up of the Crossed-Lamellar Layer in Nerita undata Shell (Mollusca, Gastropoda). MINERALS 2012. [DOI: 10.3390/min2020085] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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