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Gambardella C, Marcellini F, Falugi C, Varrella S, Corinaldesi C. Early-stage anomalies in the sea urchin (Paracentrotus lividus) as bioindicators of multiple stressors in the marine environment: Overview and future perspectives. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117608. [PMID: 34182396 DOI: 10.1016/j.envpol.2021.117608] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 06/07/2021] [Accepted: 06/14/2021] [Indexed: 06/13/2023]
Abstract
The morphological anomalies of the early development stages of the sea urchin Paracentrotus lividus, caused by exposure to environmental stressors, are used as biomarker in ecotoxicological and ecological investigations. Here, we reviewed the available literature and classified the embryo and larval anomalies identified so far, to highlight potential commonalities or differences related to the biological action of the different stressors and their ecological impact. Morphological anomalies are influenced by a) the developmental stage of exposure to stressors; b) the intensity of the stress; c) the intra- and inter-cellular mechanisms affected by the exposure to environmental agents. The classification and analysis of embryo and larvae anomalies, either observed by the authors of this review and reported in literature, indicate that sea urchin abnormalities, caused by exposure to different stressors, can be very similar among them and classified into 18 main types, which can occur individually or mixed. All anomalies can be used to calculate an Index of Contaminant Impact to assess the impact of multiple stressors and to identify relationships between morphological anomalies and compromised biological mechanisms. This approach could be useful for a first screening of the presence of potential stressors impairing the growth and development of the early life stages of marine organisms, thus providing a relevant advancement for in future monitoring activities devoted to assess the health status in coastal marine ecosystems.
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Affiliation(s)
- Chiara Gambardella
- Consiglio Nazionale Delle Ricerche - Istituto per Lo Studio Degli Impatti Antropici e Sostenibilità in Ambiente Marino (CNR-IAS), Via de Marini 6, 16149, Genova, Italy
| | | | - Carla Falugi
- Dipartimento di Scienze Della Vita e Dell'Ambiente, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Stefano Varrella
- Dipartimento di Scienze e Ingegneria Della Materia, Dell'Ambiente e Urbanistica, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy
| | - Cinzia Corinaldesi
- Dipartimento di Scienze e Ingegneria Della Materia, Dell'Ambiente e Urbanistica, Università Politecnica Delle Marche, Via Brecce Bianche, 60131, Ancona, Italy.
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Gilbert PUPA, Wilt FH. Molecular aspects of biomineralization of the echinoderm endoskeleton. PROGRESS IN MOLECULAR AND SUBCELLULAR BIOLOGY 2011; 52:199-223. [PMID: 21877267 DOI: 10.1007/978-3-642-21230-7_7] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Echinoderms possess a rigid endoskeleton composed of calcite and small amounts of occluded organic matrix proteins. The test (i.e., the shell-like structure of adults), spines, pedicellariae, tube feet, and teeth of adults, as well as delicate endoskeletal spicules found in larvae of some classes, are the main skeletal structures. They have been intensively studied for insight into the mechanisms of biomineralization. Recent work on characterization of the mineral phase and occluded proteins in embryonic skeletal spicules shows that these simple-looking structures contain scores of different proteins, and that the mineral phase is composed of amorphous calcium carbonate (ACC), which then transforms to an anhydrous ACC and eventually to calcite. Likewise, the adult tooth shows a similar transition from hydrated ACC to anhydrous ACC to calcite during its formation, and a similar transition is likely occurring during adult spine regeneration. We speculate that: (1) the ACC precursor is a general strategy employed in biomineralization in echinoderms, (2) the numerous occluded proteins play a role in post-secretion formation of the mature biomineralized structure, and (3) proteins with "multi-valent" intrinsically disordered domains are important for formation of occluded matrix structures, and regulation of crucial matrix-mineral interactions, such as ACC to calcite transitions and polymorph selection.
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Affiliation(s)
- P U P A Gilbert
- Department of Physics, University of Wisconsin-Madison, 1150 University Ave, Madison, WI, 53706, USA,
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Killian CE, Wilt FH. Molecular Aspects of Biomineralization of the Echinoderm Endoskeleton. Chem Rev 2008; 108:4463-74. [DOI: 10.1021/cr0782630] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Christopher E. Killian
- Department of Molecular and Cell Biology, University of California, Berkeley, 142 Life Sciences Addition, Berkeley, California 94720-3200
| | - Fred H. Wilt
- Department of Molecular and Cell Biology, University of California, Berkeley, 142 Life Sciences Addition, Berkeley, California 94720-3200
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Angerer L, Hussain S, Wei Z, Livingston BT. Sea urchin metalloproteases: a genomic survey of the BMP-1/tolloid-like, MMP and ADAM families. Dev Biol 2006; 300:267-81. [PMID: 17059814 DOI: 10.1016/j.ydbio.2006.07.046] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2006] [Revised: 07/25/2006] [Accepted: 07/26/2006] [Indexed: 10/24/2022]
Abstract
Analysis of the Strongylocentrotus purpuratus genome has revealed approximately 240 metalloprotease genes, and they represent all 23 families expressed in vertebrates. EST/cDNA sequencing and microarray analysis show that nearly 70% are represented in embryo RNA. Among them are many metalloproteases with demonstrated developmental roles in other systems-BMP-1/TLD (tolloid) (astacins), MMPs (matrix metalloproteases) and the ADAMs (disintegrin/metalloproteases). The developmental functions of these kinds of metalloproteases include modifying the extracellular matrix, regulating signaling pathways or modulating cellular adhesive properties. The unexpectedly large number of BMP-1/TLD-like protease genes (23) results primarily from expansion of a set encoding an unusual domain conserved in structure and primary sequence only in nematode astacins. Such proteases may have interesting developmental functions because the expression patterns of several are highly regulated along the primary axis at times when cell differentiation and morphogenesis begin. The size of the sea urchin MMP family and the clustered arrangement of many of its members are similar to vertebrates, but phylogenetic analyses suggest that different ancestral genes were independently amplified in sea urchins and vertebrates. One expansion appears to be genes encoding MMPs that have putative transmembrane domains and may be membrane-tethered (MT). Interestingly, the genes encoding TIMPs, inhibitors of MMPs, have also been amplified and the 10 genes are tandemly arranged in a single cluster. In contrast, there are fewer ADAM and ADAMTS genes in sea urchins, but they represent all but one of the chordate-specific groups. The genome sequence now opens the door to experimental manipulations designed to understand how modulation of the extracellular environment affects development.
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Affiliation(s)
- Lynne Angerer
- National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20815, USA.
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Abstract
The astacin family (M12A) of the metzincin subclan MA(M) of metalloproteinases has been detected in developing and mature individuals of species that range from hydra to humans. Functions of this family of metalloproteinase vary from digestive degradation of polypeptides, to biosynthetic processing of extracellular proteins, to activation of growth factors. This review will focus on a small subgroup of the astacin family; the bone morphogenetic protein 1 (BMP1)/Tolloid (TLD)-like metalloproteinases. In vertebrates, the BMP1/TLD-like metalloproteinases play key roles in regulating formation of the extracellular matrix (ECM) via biosynthetic processing of various precursor proteins into mature functional enzymes, structural proteins, and proteins involved in initiating mineralization of the ECM of hard tissues. Roles in ECM formation include: processing of the C-propeptides of procollagens types I-III, to yield the major fibrous components of vertebrate ECM; proteolytic activation of the enzyme lysyl oxidase, necessary to formation of covalent cross-links in collagen and elastic fibers; processing of NH2-terminal globular domains and C-propeptides of types V and XI procollagen chains to yield monomers that are incorporated into and control the diameters of collagen type I and II fibrils, respectively; processing of precursors for laminin 5 and collagen type VII, both of which are involved in securing epidermis to underlying dermis; and maturation of small leucine-rich proteoglycans. The BMP1/TLD-related metalloproteinases are also capable of activating the vertebrate transforming growth factor-beta (TGF-beta)-like "chalones" growth differentiation factor 8 (GDF8, also known as myostatin), and GDF11 (also known as BMP11), involved in negative feedback inhibition of muscle and neural tissue growth, respectively; by freeing them from noncovalent latent complexes with their cleaved prodomains. BMP1/TLD-like proteinases also liberate the vertebrate TGF-beta-like morphogens BMP2 and 4 and their invertebrate ortholog decapentaplegic, from latent complexes with the vertebrate extracellular antagonist chordin and its invertebrate ortholog short gastrulation (SOG), respectively. The result is formation of the BMP signaling gradients that form the dorsal-ventral axis in embryogenesis. Thus, BMP1/TLD-like proteinases appear to be key to regulating and orchestrating formation of the ECM and signaling by various TGF-beta-like proteins in morphogenetic and homeostatic events.
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Affiliation(s)
- Gaoxiang Ge
- Department of Pathology and Laboratory Medicine, University of Wisconsin, Madison, Wisconsin 53706, USA
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Coyle-Thompson C, Oppenheimer SB. A novel approach to study adhesion mechanisms by isolation of the interacting system. Acta Histochem 2005; 107:243-51. [PMID: 16181663 PMCID: PMC1857332 DOI: 10.1016/j.acthis.2005.06.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2005] [Revised: 06/14/2005] [Accepted: 06/21/2005] [Indexed: 10/25/2022]
Abstract
For decades most investigations into mechanisms of adhesive interactions have examined whole organisms or single cells. Results using whole organisms are often unclear because it may not be known if a probe used in an experiment is directly affecting the cellular interaction under study or if it is an indirect effect resulting from action on some other structure or pathway. Here we develop a novel approach to isolate the structural components of a cellular interaction by dissecting them out of the organism to study them in a pristine environment away from all confounding factors. We used the adhesion between the archenteron and blastocoel roof of the sea urchin gastrula stage embryo as a model that can be replicated in many other developmental and pathological systems. The isolated components of the cellular interaction and those in the whole organism possessed identical cell surface receptors and adhesive affinities.
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Kominami T, Takata H. Gastrulation in the sea urchin embryo: a model system for analyzing the morphogenesis of a monolayered epithelium. Dev Growth Differ 2005; 46:309-26. [PMID: 15367199 DOI: 10.1111/j.1440-169x.2004.00755.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Processes of gastrulation in the sea urchin embryo have been intensively studied to reveal the mechanisms involved in the invagination of a monolayered epithelium. It is widely accepted that the invagination proceeds in two steps (primary and secondary invagination) until the archenteron reaches the apical plate, and that the constituent cells of the resulting archenteron are exclusively derived from the veg2 tier of blastomeres formed at the 60-cell stage. However, recent studies have shown that the recruitment of the archenteron cells lasts as late as the late prism stage, and some descendants of veg1 blastomeres are also recruited into the archenteron. In this review, we first illustrate the current outline of sea urchin gastrulation. Second, several factors, such as cytoskeletons, cell contact and extracellular matrix, will be discussed in relation to the cellular and mechanical basis of gastrulation. Third, differences in the manner of gastrulation among sea urchin species will be described; in some species, the archenteron does not elongate stepwise but continuously. In those embryos, bottle cells are scarcely observed, and the archenteron cells are not rearranged during invagination unlike in typical sea urchins. Attention will be also paid to some other factors, such as the turgor pressure of blastocoele and the force generated by blastocoele wall. These factors, in spite of their significance, have been neglected in the analysis of sea urchin gastrulation. Lastly, we will discuss how behavior of pigment cells defines the manner of gastrulation, because pigment cells recently turned out to be the bottle cells that trigger the initial inward bending of the vegetal plate.
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Affiliation(s)
- Tetsuya Kominami
- Department of Biology and Earth Sciences, Faculty of Science, Ehime University, 2-5 Bunkyo-cho, Matsuyama 790-8577, Japan.
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Pischon N, Babakhanlou-Chase H, Darbois L, Ho WB, Brenner MC, Kessler E, Palamakumbura AH, Trackman PC. A procollagen C-proteinase inhibitor diminishes collagen and lysyl oxidase processing but not collagen cross-linking in osteoblastic cultures. J Cell Physiol 2005; 203:111-7. [PMID: 15368541 DOI: 10.1002/jcp.20206] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The deposition of insoluble functional collagen occurs following extracellular proteolytic processing of procollagens by procollagen N- and C-proteinases, fibril formation, and lysyl oxidase dependent cross-linking. Procollagen C-proteinases in addition process and activate lysyl oxidase. The present study evaluates a possible role for procollagen C-proteinases in controlling different aspects of collagen deposition in vitro. Studies determine whether inhibition of procollagen C-proteinase activity with a specific BMP-1 inhibitor results in perturbations in lysyl oxidase activation, and in collagen processing, deposition, and cross-linking in phenotypically normal cultured murine MC3T3-E1 cells. Data show that BMP-1 Inhibitor dose dependently inhibits lysyl oxidase activation by up to 50% in undifferentiated proliferating cells. In differentiating cultures, BMP-1 inhibitor decreased collagen processing but did not inhibit the accumulation of mature collagen cross-links. Finally, electron microscopy studies show that collagen fibril diameter increased. Thus, inhibition of procollagen C-proteinases results in perturbed collagen deposition primarily via decreased collagen processing.
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Affiliation(s)
- Nicole Pischon
- Division of Oral Biology, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
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Kumano M, Foltz KR. Inhibition of mitogen activated protein kinase signaling affects gastrulation and spiculogenesis in the sea urchin embryo. Dev Growth Differ 2003; 45:527-42. [PMID: 14706077 DOI: 10.1111/j.1440-169x.2003.00710.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The mitogen activated protein (MAP) kinase signaling cascade has been implicated in a wide variety of events during early embryonic development. We investigated the profile of MAP kinase activity during early development in the sea urchin, Strongylocentrotus purpuratus, and tested if disruption of the MAP kinase signaling cascade has any effect on developmental events. MAP kinase undergoes a rapid, transient activation at the early blastula stage. After returning to basal levels, the activity again peaks at early gastrula stage and remains high through the pluteus stage. Immunostaining of early blastula stage embryos using antibodies revealed that a small subset of cells forming a ring at the vegetal plate exhibited active MAP kinase. In gastrula stage embryos, no specific subset of cells expressed enhanced levels of active enzyme. If the signaling cascade was inhibited at any time between the one cell and early blastula stage, gastrulation was delayed, and a significant percentage of embryos underwent exogastrulation. In embryos treated with MAP kinase signaling inhibitors after the blastula stage, gastrulation was normal but spiculogenesis was affected. The data suggest that MAP kinase signaling plays a role in gastrulation and spiculogenesis in sea urchin embryos.
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Affiliation(s)
- Maya Kumano
- Department of Molecular, Cellular, and Developmental Biology and the Marine Science Institute, University of California, Santa Barbara, CA 93106-9610, USA
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Abstract
The formation of calcareous skeletal elements by various echinoderms, especially sea urchins, offers a splendid opportunity to learn more about some processes involved in the formation of biominerals. The spicules of larvae of euechinoids have been the focus of considerable work, including their developmental origins. The spicules are composed of a single optical crystal of high magnesium calcite and variable amounts of amorphous calcium carbonate. Occluded within the spicule is a proteinaceous matrix, most of which is soluble; this matrix constitutes about 0.1% of the mass. The spicules are also enclosed by an extracellular matrix and are almost completely surrounded by cytoplasmic cords. The spicules are deposited by primary mesenchyme cells (PMCs), which accumulate calcium and secrete calcium carbonate. A number of proteins specific, or highly enriched, in PMCs, have been cloned and studied. Recent work supports the hypothesis that proteins found in the extracellular matrix of the spicule are important for biomineralization.
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Affiliation(s)
- Fred H Wilt
- Dept of Molecular Cell Biology, University of California, Berkeley 94720-3200, USA.
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