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Structure and Composition of the Cuticle of the Goose Barnacle Pollicipes pollicipes: A Flexible Composite Biomaterial. Mar Drugs 2023; 21:md21020096. [PMID: 36827137 PMCID: PMC9968147 DOI: 10.3390/md21020096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/24/2023] [Accepted: 01/27/2023] [Indexed: 02/03/2023] Open
Abstract
Arthropods, the largest animal phylum, including insects, spiders and crustaceans, are characterized by their bodies being covered primarily in chitin. Besides being a source of this biopolymer, crustaceans have also attracted attention from biotechnology given their cuticles' remarkable and diverse mechanical properties. The goose barnacle, Pollicipes pollicipes, is a sessile crustacean characterized by their body parts covered with calcified plates and a peduncle attached to a substrate covered with a cuticle. In this work, the composition and structure of these plates and cuticle were characterized. The morphology of the tergum plate revealed a compact homogeneous structure of calcium carbonate, a typical composition among marine invertebrate hard structures. The cuticle consisted of an outer zone covered with scales and an inner homogenous zone, predominantly organic, composed of successive layers parallel to the surface. The scales are similar to the tergum plate and are arranged in parallel and oriented semi-vertically. Structural and biochemical characterization confirmed a bulk composition of ɑ-chitin and suggested the presence of elastin-based proteins and collagen. The mechanical properties of the cuticle showed that the stiffness values are within the range of values described in elastomers and soft crustacean cuticles resulting from molting. The removal of calcified components exposed round holes, detailed the structure of the lamina, and changed the protein properties, increasing the rigidity of the material. This flexible cuticle, predominantly inorganic, can provide bioinspiration for developing biocompatible and mechanically suitable biomaterials for diverse applications, including in tissue engineering approaches.
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Xavier JC, Golikov AV, Queirós JP, Perales-Raya C, Rosas-Luis R, Abreu J, Bello G, Bustamante P, Capaz JC, Dimkovikj VH, González AF, Guímaro H, Guerra-Marrero A, Gomes-Pereira JN, Hernández-Urcera J, Kubodera T, Laptikhovsky V, Lefkaditou E, Lishchenko F, Luna A, Liu B, Pierce GJ, Pissarra V, Reveillac E, Romanov EV, Rosa R, Roscian M, Rose-Mann L, Rouget I, Sánchez P, Sánchez-Márquez A, Seixas S, Souquet L, Varela J, Vidal EAG, Cherel Y. The significance of cephalopod beaks as a research tool: An update. Front Physiol 2022; 13:1038064. [PMID: 36467695 PMCID: PMC9716703 DOI: 10.3389/fphys.2022.1038064] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 10/25/2022] [Indexed: 11/17/2022] Open
Abstract
The use of cephalopod beaks in ecological and population dynamics studies has allowed major advances of our knowledge on the role of cephalopods in marine ecosystems in the last 60 years. Since the 1960's, with the pioneering research by Malcolm Clarke and colleagues, cephalopod beaks (also named jaws or mandibles) have been described to species level and their measurements have been shown to be related to cephalopod body size and mass, which permitted important information to be obtained on numerous biological and ecological aspects of cephalopods in marine ecosystems. In the last decade, a range of new techniques has been applied to cephalopod beaks, permitting new kinds of insight into cephalopod biology and ecology. The workshop on cephalopod beaks of the Cephalopod International Advisory Council Conference (Sesimbra, Portugal) in 2022 aimed to review the most recent scientific developments in this field and to identify future challenges, particularly in relation to taxonomy, age, growth, chemical composition (i.e., DNA, proteomics, stable isotopes, trace elements) and physical (i.e., structural) analyses. In terms of taxonomy, new techniques (e.g., 3D geometric morphometrics) for identifying cephalopods from their beaks are being developed with promising results, although the need for experts and reference collections of cephalopod beaks will continue. The use of beak microstructure for age and growth studies has been validated. Stable isotope analyses on beaks have proven to be an excellent technique to get valuable information on the ecology of cephalopods (namely habitat and trophic position). Trace element analyses is also possible using beaks, where concentrations are significantly lower than in other tissues (e.g., muscle, digestive gland, gills). Extracting DNA from beaks was only possible in one study so far. Protein analyses can also be made using cephalopod beaks. Future challenges in research using cephalopod beaks are also discussed.
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Affiliation(s)
- José C. Xavier
- Department of Life Sciences, Marine and Environmental Sciences Centre/ ARNET–Aquatic Research Network, University of Coimbra, Coimbra, Portugal
- British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom
| | | | - José P. Queirós
- Department of Life Sciences, Marine and Environmental Sciences Centre/ ARNET–Aquatic Research Network, University of Coimbra, Coimbra, Portugal
- British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom
| | | | | | - José Abreu
- Department of Life Sciences, Marine and Environmental Sciences Centre/ ARNET–Aquatic Research Network, University of Coimbra, Coimbra, Portugal
- British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom
| | | | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, La Rochelle, France
- Institut Universitaire de France (IUF), Paris, France
| | - Juan C. Capaz
- Center of Marine Sciences, University of Algarve, Campus de Gambelas, Faro, Portugal
| | - Valerie H. Dimkovikj
- Department of Marine Science, Coastal Carolina University, Conway, SC, United States
| | | | - Hugo Guímaro
- Department of Life Sciences, Marine and Environmental Sciences Centre/ ARNET–Aquatic Research Network, University of Coimbra, Coimbra, Portugal
- British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom
| | - Airam Guerra-Marrero
- IU-ECOAQUA, University of Las Palmas de Gran Canaria, Edf. Ciencias Básicas, Campus de Tafira, Las Palmas de Gran Canaria, Spain
| | | | | | | | - Vladimir Laptikhovsky
- Centre for Environment, Fisheries and Aquaculture Science (CEFAS), Lowestoft, United Kingdom
| | | | - Fedor Lishchenko
- Laboratory for Ecology and Morphology of Marine Invertebrates, A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Moscow, Russia
| | - Amanda Luna
- Department of Ecology and Animal Biology, Faculty of Marine Sciences, University of Vigo, Vigo, Spain
| | - Bilin Liu
- College of Marine Sciences, Shanghai Ocean University, Shanghai, China
| | | | - Vasco Pissarra
- MARE—Marine and Environmental Sciences Centre/ARNET–Aquatic Research Network, Laboratório Marítimo da Guia, Faculdade de Ciências, Universidade de Lisboa, Cascais, Portugal
| | - Elodie Reveillac
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, La Rochelle, France
| | - Evgeny V. Romanov
- Centre Technique de Recherche et de Valorisation des Milieux Aquatiques (CITEB), Le Port, Île de la Réunion, France
| | - Rui Rosa
- MARE—Marine and Environmental Sciences Centre/ARNET–Aquatic Research Network, Laboratório Marítimo da Guia, Faculdade de Ciências, Universidade de Lisboa, Cascais, Portugal
| | - Marjorie Roscian
- Centre de Recherche en Paléontologie-Paris (CR2P), CNRS, Sorbonne Université, Paris, France
| | - Lisa Rose-Mann
- University of South Florida, College of Marine Science, St. Petersburg, FL, United States
| | - Isabelle Rouget
- Centre de Recherche en Paléontologie-Paris (CR2P), CNRS, Sorbonne Université, Paris, France
| | - Pilar Sánchez
- Institut de Ciènces del Mar, CSIC, Psg. Marítim de la Barceloneta, Barcelona, Spain
| | | | - Sónia Seixas
- Department of Life Sciences, Marine and Environmental Sciences Centre/ ARNET–Aquatic Research Network, University of Coimbra, Coimbra, Portugal
- Universidade Aberta, Rua Escola Politécnica, Lisboa, Portugal
| | - Louise Souquet
- Department of Mechanical Engineering, Faculty of Engineering Science, University College London, London, United Kingdom
| | - Jaquelino Varela
- MARE—Marine and Environmental Sciences Centre/ARNET–Aquatic Research Network, Laboratório Marítimo da Guia, Faculdade de Ciências, Universidade de Lisboa, Cascais, Portugal
| | - Erica A. G. Vidal
- Center for Marine Studies—Federal University of Parana (UFPR), Pontal do Paraná, PR, Brazil
| | - Yves Cherel
- Centre d’Etudes Biologiques de Chizé, UMR 7372 du CNRS-La Rochelle Université, Villiers-en-Bois, France
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Lischka A, Bustamante P, Braid H, Piatkowski U, Lacoue-Labarthe T. Trophic ecology drives trace element concentrations in the Antarctic octopod community. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 768:144373. [PMID: 33454479 DOI: 10.1016/j.scitotenv.2020.144373] [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: 09/17/2020] [Revised: 11/30/2020] [Accepted: 12/04/2020] [Indexed: 06/12/2023]
Abstract
Despite the Antarctic Ocean being considered a pristine environment, elevated trace element concentrations have been reported in many marine organisms. The Antarctic Ocean is particularly vulnerable to climate change, which can also affect the bioaccumulation of trace element concentrations in biota. While Antarctic octopods are key components of the regional food webs as prey for a variety of predators (e.g., seals, fish, and seabirds), their contamination state by trace elements remains largely unknown. This study investigated the trace element concentrations in relation to the trophic ecology in Antarctic octopods. Stable isotope values (δ13C and δ15N) and trace element concentrations (Ag, As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Se, V, and Zn) were measured in eight different species (Adelieledone polymorpha, Pareledone aequipapillae, P. albimaculata, P. aurata, P. charcoti, P. cornuta, P. felix, and P. turqueti) sampled near Elephant Island, close to the Antarctic Peninsula. Stable isotopes of δ15N varied among species, with significant differences between A. polymorpha and P. aurata suggesting potential niche segregation. Trace element concentrations also differed among species and with sampling depth, which likely reflects their trophic ecology. The data presented in this study provides the first insight into the trace element concentrations for these endemic octopods in this vulnerable habitat and their stable isotope values.
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Affiliation(s)
- A Lischka
- AUT Lab for Cephalopod Ecology & Systematics, School of Science, Auckland University of Technology, Private Bag 92006, 1142 Auckland, New Zealand.
| | - P Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France; Institut Universitaire de France (IUF), 1 rue Descartes, 75005 Paris, France
| | - H Braid
- AUT Lab for Cephalopod Ecology & Systematics, School of Science, Auckland University of Technology, Private Bag 92006, 1142 Auckland, New Zealand
| | - U Piatkowski
- GEOMAR, Helmholtz Centre for Ocean Research Kiel, Düsternbrooker Weg 20, 24105 Kiel, Germany
| | - T Lacoue-Labarthe
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France
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Golikov AV, Ceia FR, Sabirov RM, Batalin GA, Blicher ME, Gareev BI, Gudmundsson G, Jørgensen LL, Mingazov GZ, Zakharov DV, Xavier JC. Diet and life history reduce interspecific and intraspecific competition among three sympatric Arctic cephalopods. Sci Rep 2020; 10:21506. [PMID: 33299075 PMCID: PMC7726147 DOI: 10.1038/s41598-020-78645-z] [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: 08/23/2020] [Accepted: 11/27/2020] [Indexed: 11/09/2022] Open
Abstract
Trophic niche and diet comparisons among closely sympatric marine species are important to understand complex food webs, particularly in regions most affected by climate change. Using stable isotope analyses, all ontogenetic stages of three sympatric species of Arctic cephalopods (genus Rossia) were studied to assess inter- and intraspecific competition with niche and diet overlap and partitioning in West Greenland and the Barents Sea. Seven traits related to resource and habitat utilization were identified in Rossia: no trait was shared by all three species. High boreal R. megaptera and Arctic endemic R. moelleri shared three traits with each other, while both R. megaptera and R. moelleri shared only two unique traits each with widespread boreal-Arctic R. palpebrosa. Thus all traits formed fully uncrossing pattern with each species having unique strategy of resource and habitat utilization. Predicted climate changes in the Arctic would have an impact on competition among Rossia with one potential 'winner' (R. megaptera in the Barents Sea) but no potential 'losers'.
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Affiliation(s)
- Alexey V Golikov
- Department of Zoology, Kazan Federal University, 420008, Kazan, Russia.
| | - Filipe R Ceia
- Department of Life Sciences, Marine and Environmental Sciences Centre, University of Coimbra, 3000-456, Coimbra, Portugal
| | - Rushan M Sabirov
- Department of Zoology, Kazan Federal University, 420008, Kazan, Russia
| | - Georgii A Batalin
- Laboratory of Isotopic and Elemental Analysis, Kazan Federal University, 420111, Kazan, Russia
| | - Martin E Blicher
- Greenland Climate Research Centre, Greenland Institute of Natural Resources, 3900, Nuuk, Greenland
| | - Bulat I Gareev
- Laboratory of Isotopic and Elemental Analysis, Kazan Federal University, 420111, Kazan, Russia
| | - Gudmundur Gudmundsson
- Collections and Systematics Department, Icelandic Institute of Natural History, 210, Gardabaer, Iceland
| | - Lis L Jørgensen
- Tromsø Branch, Institute of Marine Research, 9294, Tromsø, Norway
| | - Gazinur Z Mingazov
- Laboratory of Isotopic and Elemental Analysis, Kazan Federal University, 420111, Kazan, Russia
| | - Denis V Zakharov
- Laboratory of Hydrobiology, Polar Branch of All-Russian Research Institute of Fisheries and Oceanography, 183038, Murmansk, Russia.,Laboratory of Zoobenthos, Murmansk Marine Biological Institute, 183010, Murmansk, Russia
| | - José C Xavier
- Department of Life Sciences, Marine and Environmental Sciences Centre, University of Coimbra, 3000-456, Coimbra, Portugal.,British Antarctic Survey, Natural Environment Research Council, Cambridge, CB3 0ET, UK
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Queirós JP, Bustamante P, Cherel Y, Coelho JP, Seco J, Roberts J, Pereira E, Xavier JC. Cephalopod beak sections used to trace mercury levels throughout the life of cephalopods: The giant warty squid Moroteuthopsis longimana as a case study. MARINE ENVIRONMENTAL RESEARCH 2020; 161:105049. [PMID: 33070930 DOI: 10.1016/j.marenvres.2020.105049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 06/04/2020] [Accepted: 06/09/2020] [Indexed: 06/11/2023]
Abstract
Cephalopods represent an important pathway for mercury transfer through food webs. Due to the general difficulties in capturing oceanic squid, beaks found in the diet of top predators can be used to study their life-cycles and ecological role. Using upper beaks of the giant warty squid Moroteuthopsis longimana (major prey in the Southern Ocean), we describe a method to assess mercury concentrations along the life of cephalopods through the segmentary analysis of beak sections (i.e. tip of the rostrum and subsections along the hood). Distinct total mercury concentrations in the different subsections support that beaks can be used to study mercury levels in different periods of cephalopods' life-cycle. Mercury values in the anterior (1.3-7.9 μg kg-1 dw) and posterior (7.8-12.5 μg kg-1 dw) subsections of the hood reflect juvenile and adult stages, respectively. Furthermore, these results confirm that mercury bioaccumulates continuously throughout the individuals' life, with adults doubling their mercury concentrations to juveniles.
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Affiliation(s)
- José P Queirós
- University of Coimbra, MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, 3000-456, Coimbra, Portugal.
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000, La Rochelle, France; Institut Universitaire de France (IUF), 1 rue Descartes, 75005, Paris, France
| | - Yves Cherel
- Centre d'Etudes Biologiques de Chizé, UMR 7372 du CNRS-La Rochelle Université, 79360, Villiers-en-Bois, France
| | - João P Coelho
- Departamento de Biologia & CESAM - Centro de Estudos do Ambiente e do Mar, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - José Seco
- Departamento de Química & CESAM - Centro de Estudos do Ambiente e do Mar, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal; Pelagic Ecology Research Group, Scottish Oceans Institute, University of St Andrews, St Andrews, KY16 8LB, United Kingdom
| | - Jim Roberts
- NIWA - National Institute for Water and Atmospheric Research, 301 Evans Bay Parade, Hataitai, Wellington, 6021, New Zealand
| | - Eduarda Pereira
- Departamento de Química & CESAM - Centro de Estudos do Ambiente e do Mar, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - José C Xavier
- University of Coimbra, MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, 3000-456, Coimbra, Portugal; British Antarctic Survey, NERC, High Cross, Madingley Road, CB3 0ET, Cambridge, UK
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Matias RS, Seco J, Gregory S, Belchier M, Pereira ME, Bustamante P, Xavier JC. Antarctic octopod beaks as proxy for mercury concentrations in soft tissues. MARINE POLLUTION BULLETIN 2020; 158:111447. [PMID: 32753223 DOI: 10.1016/j.marpolbul.2020.111447] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 07/05/2020] [Accepted: 07/05/2020] [Indexed: 06/11/2023]
Abstract
As the role of mercury is poorly known in Southern Ocean biota, the total mercury (T-Hg) concentrations were evaluated in upper/lower beaks, digestive gland, gills and mantle muscle of Adelieledone polymorpha and Pareledone turqueti, two of the most abundant octopod species around South Georgia. Beaks had the lowest T-Hg concentrations (A. polymorpha: [T-Hg]Upper = 27.2 ± 12.9 ng∙g-1 and [T-Hg]Lower = 27.5 ± 20.0 ng∙g-1; P. turqueti: [T-Hg]Upper = 34.6 ± 13.9 ng∙g-1 and [T-Hg]Lower = 56.8 ± 42.0 ng∙g-1), followed by gills and muscle. The highest values were recorded in the digestive gland (A. polymorpha: 251.6 ± 69.7 ng∙g-1; P. turqueti: 347.0 ± 177.0 ng∙g-1). Significant relationships were found between the concentrations of T-Hg in the beaks and muscle of A. polymorpha (T-Hg in muscle is 10 times higher than in beaks). This study shows that beaks can be used as proxy for T-Hg in muscle for some octopod species, and a helpful tool for estimating total Hg body burden from beaks.
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Affiliation(s)
- Ricardo S Matias
- Marine and Environmental Sciences Centre (MARE), Department of Life Sciences, Faculty of Sciences and Technology of the University of Coimbra, 3000-456 Coimbra, Portugal.
| | - José Seco
- Department of Chemistry and CESAM/REQUIMTE, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; School of Biology, University of St Andrews, KY16 9ST, Scotland, United Kingdom.
| | - Susan Gregory
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge CB3 0ET, United Kingdom; Government of South Georgia and the South Sandwich Islands, Stanley, Falkland Islands
| | - Mark Belchier
- British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge CB3 0ET, United Kingdom
| | - Maria E Pereira
- Department of Chemistry and CESAM/REQUIMTE, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS - La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France; Institut Universitaire de France (IUF), 1 rue Descartes 75005 Paris, France
| | - José C Xavier
- Marine and Environmental Sciences Centre (MARE), Department of Life Sciences, Faculty of Sciences and Technology of the University of Coimbra, 3000-456 Coimbra, Portugal; British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge CB3 0ET, United Kingdom
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