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Toxic Effect of Anionic Surfactants on Freshwater Sponge Lubomirskia baikalensis and Its Endosymbiotic Microalgae Chlorella sp. DIVERSITY 2023. [DOI: 10.3390/d15010077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A number of reports on sponge diseases, including from Lake Baikal, have increased dramatically all over the world in recent years. Herewith, there are various hypotheses for sponge mortality. Lubomirskia baikalensis (phylum Porifera, order Spongillida) is a unique endemic freshwater sponge of Lake Baikal that contains a complex community of eukaryotic and prokaryotic endosymbiotic microorganisms. In this work, we present the first results for the effect of anionic surfactants viz. linear alkylbenzene sulphonates (LAS) at low 10 and 20 µg L−1 concentrations on Baikal sponge species and their symbiotic community as an experimental model. A new toxicity test protocol under conditions close to natural is proposed. It uses the sponge amoebocytes called as SA1-cells, which contain eukaryotic green microalgae Chlorella sp. These SA1-cells are shown to be representative indicator in assessing the impact of anionic surfactants. The acute toxic effect resulted in 97–100% sponge cell death in less than 48 h, as well as 100% symbiotic microalgae Chlorella sp. death over 72 h was noted under LAS solution (20 μg L−1) exposure during in vivo experiments. This includes the cell membrane fatty acid changes, change in the cell sizes, cell swelling, and lysis. Long term exposure to LAS solution (10 μg L−1) reflected in cellular stress (oxidative stress) and accompanied by malondialdehyde formation (0.16–2.0 μg g−1 of dry weight) during 14-day exposure was noted. Oxidative stress and mortality of L. baikalensis are associated with their low antioxidant activity. Trolox-equivalent antioxidant capacity (TEAC) found in the range from 0.00031 to 0.00077 Trolox equivalents for these freshwater sponges.
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Borisenko I, Daugavet M, Ereskovsky A, Lavrov A, Podgornaya O. Novel protein from larval sponge cells, ilborin, is related to energy turnover and calcium binding and is conserved among marine invertebrates. Open Biol 2022; 12:210336. [PMID: 35193395 PMCID: PMC8864356 DOI: 10.1098/rsob.210336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Sponges (phylum Porifera) are early-branching animals, whose outwardly simple body plan is underlain by a complex genetic repertoire. The transition from a mobile larva to an attached filter-feeding organism occurs by metamorphosis, a process accompanied by a radical change of the body plan and cell transdifferentiation. The continuity between larval cells and adult tissues is still obscure. In a previous study, we have produced polyclonal antibodies against the major protein of the flagellated cells covering the larva of the sponge Halisarca dujardini, used them to trace the fate of these cells and shown that the larval flagellated cells transdifferentiate into the choanocytes. In the present work, we identified the sequence of this novel protein, which we named ilborin. A search in the open databases showed that multiple orthologues of the newly identified protein are present in sponges, cnidarians, flatworms, ctenophores and echinoderms, but none of them has been described yet. Ilborin has two conserved domains: triosephosphate isomerase-barrel, which has enzymatic activity against macroergic compounds, and canonical EF-hand, which binds calcium. mRNA of ilborin is expressed in the larval flagellated cells. We suggest that the new protein is involved in the calcium-mediated regulation of energy metabolism, whose activation precedes metamorphosis.
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Affiliation(s)
- Ilya Borisenko
- Department of Embryology, Faculty of Biology, Saint Petersburg State University, Saint Petersburg, Russia
| | - Maria Daugavet
- Institute of Cytology, Russian Academy of Sciences, Saint Petersburg, Russia
| | - Alexander Ereskovsky
- Department of Embryology, Faculty of Biology, Saint Petersburg State University, Saint Petersburg, Russia,Institut Méditerranéen de Biodiversité et d'Ecologie Marine et Continentale (IMBE), Université d' Aix-Marseille, CNRS, IRD, Marseille, France,Evolution of Morphogenesis Laboratory, Koltzov Institute of Developmental Biology of the Russian Academy of Sciences, Moscow, Russia
| | - Andrey Lavrov
- Pertsov White Sea Biological Station, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
| | - Olga Podgornaya
- Department of Embryology, Faculty of Biology, Saint Petersburg State University, Saint Petersburg, Russia,Institute of Cytology, Russian Academy of Sciences, Saint Petersburg, Russia
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Kravchuk OI, Burakov AV, Gornostaev NG, Mikhailov KV, Adameyko KI, Finoshin AD, Georgiev AA, Mikhailov VS, Yeryukova YE, Rubinovsky GA, Zayts DV, Gazizova GR, Gusev OA, Shagimardanova EI, Lyupina YV. Histone Deacetylases in the Process of Halisarca dujardini Cell Reaggregation. Russ J Dev Biol 2021. [DOI: 10.1134/s1062360421050052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Abstract
A comparative study of the microscopic morphology and chemical characteristics of spicules of Hexactinellids (Hexactinellida) with different structural features of the skeletons, as well as the freshwater Baikal sponge belonging to the class of common sponges (Demospongia), was carried out. The trace element composition of sponge spicules was determined by X-ray fluorescence spectrometry. The spicules of siliceous sponges contain many elements, arranged in decreasing order of concentration: Si, Ca, Fe, Cl, K, Zn, and others. It was shown that the surface layer of sea sponges contains mainly carbon (C), oxygen (O), and to a lesser extent nitrogen (N), silicon (Si), and sodium (Na). The spicules of the studied siliceous sponges can be divided into two groups according to the phase composition, namely one containing crystalline calcium compounds and one without them. Analysis of infrared absorption spectra allows us to conclude that the sponges Euplectella aspergillum, E. suberia and Dactylocalyx sp. contain silica partially bound to the organic matrix, while the silica skeleton of the sponges of the other group (Schulzeviella gigas, Sericolophus sp., Asconema setubalense, Sarostegia oculata, Farrea sp. and Lubomirskia baicalensis sp.) practically does not differ from the precipitated SiO2. This comparative study of the chemical composition of the skeletons of marine Hexactinellids and common freshwater sponge allows us to conclude that there are no fundamental differences in the chemical composition of spicules, and all of them can be used as a starting material for creating new composite silicon–organic functional materials.
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Song Y, Qu Y, Cao X, Zhang W, Zhang F, Linhardt RJ, Yang Q. Cultivation of fractionated cells from a bioactive-alkaloid-bearing marine sponge Axinella sp. In Vitro Cell Dev Biol Anim 2021; 57:539-549. [PMID: 33948851 DOI: 10.1007/s11626-021-00578-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 04/05/2021] [Indexed: 01/27/2023]
Abstract
Sponges are among the most primitive multicellular organisms and well-known as a major source of marine natural products. Cultivation of sponge cells has long been an attractive topic due to the prominent evolutionary and cytological significance of sponges and as a potential approach to supply sponge-derived compounds. Sponge cell culture is carried out through culturing organized cell aggregates called 'primmorphs.' Most research culturing sponge cells has used unfractionated cells to develop primmorphs. In the current study, a tropical marine sponge Axinella sp., which contains the bioactive alkaloids, debromohymenialdisine (DBH), and hymenialdisine (HD), was used to obtain fractionated cells and the corresponding primmorphs. These alkaloids, DBH and HD, reportedly show pharmacological activities for treating osteoarthritis and Alzheimer's disease. Three different cell fractions were obtained, including enriched spherulous cells, large mesohyl cells, and small epithelial cells. These cell fractions were cultivated separately, forming aggregates that later developed into different kinds of primmorphs. The three kinds of primmorphs obtained were compared as regards to appearance, morphogenesis, and cellular composition. Additionally, the amount of alkaloid in the primmorphs-culture system was examined over a 30-d culturing period. During the culturing of enriched spherulous cells and developed primmorphs, the total amount of alkaloid declined notably. In addition, the speculation of alkaloid secretion and some phenomena that occurred during cell culturing are discussed.
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Affiliation(s)
- Yuefan Song
- College of Food Science and Engineering, Key Laboratory of Aquatic Product Processing and Utilization of Liaoning Province, Dalian Ocean University, Dalian, China.
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA.
| | - Yi Qu
- Dalian Environmental Monitoring Center, Dalian, China
| | - Xupeng Cao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Wei Zhang
- Centre for Marine Bioproducts Development, College of Medicine and Public Health, Flinders University, Adelaide, South Australia, Australia
| | - Fuming Zhang
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA
| | - Robert J Linhardt
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA
| | - Qi Yang
- Center for Marine Drugs, State Key Laboratory of Oncogene and Related Genes, Department of Pharmacy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Ereskovsky A, Borisenko IE, Bolshakov FV, Lavrov AI. Whole-Body Regeneration in Sponges: Diversity, Fine Mechanisms, and Future Prospects. Genes (Basel) 2021; 12:506. [PMID: 33805549 PMCID: PMC8066720 DOI: 10.3390/genes12040506] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/25/2021] [Accepted: 03/26/2021] [Indexed: 02/08/2023] Open
Abstract
While virtually all animals show certain abilities for regeneration after an injury, these abilities vary greatly among metazoans. Porifera (Sponges) is basal metazoans characterized by a wide variety of different regenerative processes, including whole-body regeneration (WBR). Considering phylogenetic position and unique body organization, sponges are highly promising models, as they can shed light on the origin and early evolution of regeneration in general and WBR in particular. The present review summarizes available data on the morphogenetic and cellular mechanisms accompanying different types of WBR in sponges. Sponges show a high diversity of WBR, which principally could be divided into (1) WBR from a body fragment and (2) WBR by aggregation of dissociated cells. Sponges belonging to different phylogenetic clades and even to different species and/or differing in the anatomical structure undergo different morphogeneses after similar operations. A common characteristic feature of WBR in sponges is the instability of the main body axis: a change of the organism polarity is described during all types of WBR. The cellular mechanisms of WBR are different across sponge classes, while cell dedifferentiations and transdifferentiations are involved in regeneration processes in all sponges. Data considering molecular regulation of WBR in sponges are extremely scarce. However, the possibility to achieve various types of WBR ensured by common morphogenetic and cellular basis in a single species makes sponges highly accessible for future comprehensive physiological, biochemical, and molecular studies of regeneration processes.
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Affiliation(s)
- Alexander Ereskovsky
- Institut Méditerranéen de Biodiversité et d’Ecologie Marine et Continentale (IMBE), Aix Marseille University, CNRS, IRD, Station Marine d’Endoume, Rue de la Batterie des Lions, Avignon University, 13007 Marseille, France
- Department of Embryology, Faculty of Biology, Saint-Petersburg State University, 199034 Saint-Petersburg, Russia;
- Evolution of Morphogenesis Laboratory, Koltzov Institute of Developmental Biology of Russian Academy of Sciences, 119334 Moscow, Russia
| | - Ilya E. Borisenko
- Department of Embryology, Faculty of Biology, Saint-Petersburg State University, 199034 Saint-Petersburg, Russia;
| | - Fyodor V. Bolshakov
- Pertsov White Sea Biological Station, Biological Faculty, Lomonosov Moscow State University, 119192 Moscow, Russia; (F.V.B.); (A.I.L.)
| | - Andrey I. Lavrov
- Pertsov White Sea Biological Station, Biological Faculty, Lomonosov Moscow State University, 119192 Moscow, Russia; (F.V.B.); (A.I.L.)
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Lavrov AI, Saidov DM, Bolshakov FV, Kosevich IA. Intraspecific variability of cell reaggregation during reproduction cycle in sponges. ZOOLOGY 2020; 140:125795. [DOI: 10.1016/j.zool.2020.125795] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 03/29/2020] [Accepted: 03/30/2020] [Indexed: 10/24/2022]
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Markl JS, Müller WEG, Sereno D, Elkhooly TA, Kokkinopoulou M, Gardères J, Depoix F, Wiens M. A synthetic biology approach for the fabrication of functional (fluorescent magnetic) bioorganic–inorganic hybrid materials in sponge primmorphs. Biotechnol Bioeng 2020; 117:1789-1804. [DOI: 10.1002/bit.27310] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 01/30/2020] [Accepted: 02/16/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Julia S. Markl
- Institute of Physiological Chemistry, University Medical CenterJohannes Gutenberg‐UniversityMainz Germany
| | - Werner E. G. Müller
- Institute of Physiological Chemistry, University Medical CenterJohannes Gutenberg‐UniversityMainz Germany
| | - Dayane Sereno
- Institute of Physiological Chemistry, University Medical CenterJohannes Gutenberg‐UniversityMainz Germany
| | - Tarek A. Elkhooly
- Institute of Physiological Chemistry, University Medical CenterJohannes Gutenberg‐UniversityMainz Germany
| | | | - Johan Gardères
- Institute of Physiological Chemistry, University Medical CenterJohannes Gutenberg‐UniversityMainz Germany
| | - Frank Depoix
- Institute of ZoologyJohannes Gutenberg‐UniversityMainz Germany
| | - Matthias Wiens
- Institute of Physiological Chemistry, University Medical CenterJohannes Gutenberg‐UniversityMainz Germany
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Costa ML, de Andrade Rosa I, Andrade L, Mermelstein C, C Coutinho C. Distinct interactions between epithelial and mesenchymal cells control cell morphology and collective migration during sponge epithelial to mesenchymal transition. J Morphol 2019; 281:183-195. [PMID: 31854473 DOI: 10.1002/jmor.21090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 11/19/2019] [Accepted: 12/09/2019] [Indexed: 11/10/2022]
Abstract
Epithelial and mesenchymal cell types are basic for animal multicellularity and they have complementary functions coordinated by cellular interactions. Sponges are especially important model organisms to address the evolutionary basis of morphogenetic programs for epithelial and mesenchymal organization in animals. Evolutionary studies in sponges can contribute to the understanding of the mechanisms that control tissue maintenance and tumor progression in humans. In the present study, sponge mesenchymal and epithelial cells were isolated from the demosponge Hymeniacidon heliophila, and aggregate formation was observed by video microscopy. Epithelial-mesenchymal interaction, epithelial transition, and cell migration led to sponge cell aggregation after drastic stress. Based on their different morphologies, adhesion specificities, and motilities, we suggest a role for different sponge cell types as well as complementary functions in cell aggregation. Micromanipulation under the microscope and cell tracking were also used to promote specific grafting-host interaction, to further test the effects of cell type interaction. The loss of cell polarity and flattened shape during the epithelial to mesenchymal cell transition generated small immobile aggregates of round/amoeboid cells. The motility of these transited epithelial-cell aggregates was observed by cell tracking using fluorescent dye, but only after interaction with streams of migratory mesenchymal cells. Cell motility occurred independently of morphological changes, indicating a progressive step in the transition toward a migratory mesenchymal state. Our data suggest a two-step signaling process: (a) the lack of interaction between mesenchymal and epithelial cells triggers morphological changes; and (b) migratory mesenchymal cells instruct epithelial cells for directional cell motility. These results could have an impact on the understanding of evolutionary aspects of metastatic cancer cells. HIGHLIGHTS: Morphogenetic movements observed in modern sponges could have a common evolutionary origin with collective cell migration of human metastatic cells. A sponge regenerative model was used here to characterize epithelial and mesenchymal cells, and for the promotion of grafting/host interactions with subsequent cell tracking. The transition from epithelial to mesenchymal cell type can be observed in sponges in two steps: (a) withdrawal of epithelial/mesenchymal cell interactions to trigger morphological changes; (b) migratory mesenchymal cells to induce epithelial cells to a collective migratory state.
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Affiliation(s)
- Manoel L Costa
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, RJ, Brazil
| | - Ivone de Andrade Rosa
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, RJ, Brazil
| | - Leonardo Andrade
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, RJ, Brazil
| | - Claudia Mermelstein
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, RJ, Brazil
| | - Cristiano C Coutinho
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, RJ, Brazil
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Ereskovsky AV, Tokina DB, Saidov DM, Baghdiguian S, Le Goff E, Lavrov AI. Transdifferentiation and mesenchymal-to-epithelial transition during regeneration in Demospongiae (Porifera). JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2019; 334:37-58. [PMID: 31725194 DOI: 10.1002/jez.b.22919] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 10/15/2019] [Accepted: 10/25/2019] [Indexed: 12/18/2022]
Abstract
Origin and early evolution of regeneration mechanisms remain among the most pressing questions in animal regeneration biology. Porifera have exceptional regenerative capacities and, as early Metazoan lineage, are a promising model for studying evolutionary aspects of regeneration. Here, we focus on reparative regeneration of the body wall in the Mediterranean demosponge Aplysina cavernicola. The epithelialization of the wound surface is completed within 2 days, and the wound is completely healed within 2 weeks. The regeneration is accompanied with the formation of a mass of undifferentiated cells (blastema), which consists of archaeocytes, dedifferentiated choanocytes, anucleated amoebocytes, and differentiated spherulous cells. The main mechanisms of A. cavernicola regeneration are cell dedifferentiation with active migration and subsequent redifferentiation or transdifferentiation of polypotent cells through the mesenchymal-to-epithelial transformation. The main cell sources of the regeneration are archaeocytes and choanocytes. At early stages of the regeneration, the blastema almost devoid of cell proliferation, but after 24 hr postoperation (hpo) and up to 72 hpo numerous DNA-synthesizing cells appear there. In contrast to intact tissues, where vast majority of DNA-synthesizing cells are choanocytes, all 5-ethynyl-2'-deoxyuridine-labeled cells in the blastema are mesohyl cells. Intact tissues, distant from the wound, retains intact level of cell proliferation during whole regeneration process. For the first time, the apoptosis was studied during the regeneration of sponges. Two waves of apoptosis were detected during A. cavernicola regeneration: The first wave at 6-12 hpo and the second wave at 48-72 hpo.
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Affiliation(s)
- Alexander V Ereskovsky
- Institut Méditerranéen de Biodiversité et d'Ecologie Marine et Continentale (IMBE), Aix Marseille University, CNRS, IRD, Station Marine d'Endoume, Rue de la Batterie des Lions, Avignon University, Marseille, France.,Department of Embryology, Faculty of Biology, Saint-Petersburg State University, Saint-Petersburg, Russia.,Evolution of Morphogenesis Laboratory, Koltzov Institute of Developmental Biology of Russian Academy of Sciences, Moscow, Russia
| | - Daria B Tokina
- Institut Méditerranéen de Biodiversité et d'Ecologie Marine et Continentale (IMBE), Aix Marseille University, CNRS, IRD, Station Marine d'Endoume, Rue de la Batterie des Lions, Avignon University, Marseille, France
| | - Danial M Saidov
- Department of Invertebrate Zoology, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
| | | | - Emilie Le Goff
- ISEM, CNRS, EPHE, IRD, Université de Montpellier, Montpellier, France
| | - Andrey I Lavrov
- Department of Embryology, Faculty of Biology, Saint-Petersburg State University, Saint-Petersburg, Russia.,Pertsov White Sea Biological Station, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
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Lavrov AI, Bolshakov FV, Tokina DB, Ereskovsky AV. Sewing up the wounds : The epithelial morphogenesis as a central mechanism of calcaronean sponge regeneration. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2018; 330:351-371. [PMID: 30421540 DOI: 10.1002/jez.b.22830] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 08/03/2018] [Accepted: 08/10/2018] [Indexed: 01/14/2023]
Abstract
Sponges (Porifera) demonstrate prominent regeneration abilities and possess a wide variety of mechanisms, used during this process. In the current study, we combined in vivo observations with histological, immunohistochemical, and ultrastructural technics to elucidate the fine cellular mechanisms of the regeneration in the calcareous sponge Leucosolenia cf. variabilis. The regeneration of Leucosolenia cf. variabilis ends within 4-6 days. The crucial step of the process is the formation of the transient regenerative membrane, formed by the epithelial morphogenesis-spreading of the intact exopinacoderm and choanoderm. The spreading of the choanoderm is accompanied by the transdifferentiation of the choanocytes. The regenerative membrane develops without any contribution of the mesohyl cells. Subsequently, the membrane gradually transforms into the body wall. The cell proliferation is neither affected nor contributes to the regeneration at any stage. Thus, Leucosolenia cf. variabilis regeneration relies on the remodeling of the intact tissues through the epithelial morphogenesis, accompanied by the transdifferentiation of some differentiated cell types, which makes it similar to the regeneration in homoscleromorphs and eumetazoans.
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Affiliation(s)
- Andrey I Lavrov
- Pertsov White Sea Biological Station, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia.,Department Embryology, Faculty of Biology, Saint-Petersburg State University, Saint-Petersburg, Russia
| | - Fyodor V Bolshakov
- Pertsov White Sea Biological Station, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia.,Department Embryology, Faculty of Biology, Saint-Petersburg State University, Saint-Petersburg, Russia
| | - Daria B Tokina
- Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale (IMBE), Aix Marseille University, CNRS, IRD, Avignon University, Station Marine d'Endoume, Marseille, France
| | - Alexander V Ereskovsky
- Department Embryology, Faculty of Biology, Saint-Petersburg State University, Saint-Petersburg, Russia.,Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale (IMBE), Aix Marseille University, CNRS, IRD, Avignon University, Station Marine d'Endoume, Marseille, France
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Pozdnyakov IR, Sokolova AM, Ereskovsky AV, Karpov SA. Kinetid structure in sponge choanocytes of Spongillida in the light of evolutionary relationships within Demospongiae. Zool J Linn Soc 2018. [DOI: 10.1093/zoolinnean/zlx109] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Igor R Pozdnyakov
- Department of Invertebrate Zoology, Biological Faculty, St. Petersburg State University, Universitetskaya nab. Petersburg, Russia
| | - Agniya M Sokolova
- A. N. Severtzov Institute of Ecology and Evolution, Leninskij prosp. Moscow, Russia
- N. K. Koltzov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, Russia
| | - Alexander V Ereskovsky
- Aix Marseille University, Avignon Université, CNRS, IRD, IMBE, Marseille, France
- Department of Embryology, Biological Faculty, St. Petersburg State University, Universitetskaya nab. Petersburg, Russia
| | - Sergey A Karpov
- Department of Invertebrate Zoology, Biological Faculty, St. Petersburg State University, Universitetskaya nab. Petersburg, Russia
- Zoological Institute of Russian Academy of Science, Universitetskaya nab. Petersburg, Russia
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Lavrov AI, Kosevich IA. Stolonial Movement: A New Type of Whole-Organism Behavior in Porifera. THE BIOLOGICAL BULLETIN 2018; 234:58-67. [PMID: 29694803 DOI: 10.1086/697113] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Sponges (phylum Porifera) traditionally are represented as inactive, sessile filter-feeding animals devoid of any behavior except filtering activity. However, different time-lapse techniques demonstrate that sponges are able to show a wide range of coordinated but slow whole-organism behavior. The present study concerns a peculiar type of such behavior in the psychrophilic demosponge Amphilectus lobatus: stolonial movement. During stolonial movement, sponges produce outgrowths (stolons) that crawl along a substrate with a speed of 4.4 ± 2.2 μm min-1 and branch, thus forming a complex net covering a considerable area of a substrate. This net is used by sponges to search for new points with appropriate environmental conditions for individual relocation. After such points are found, all cells of the parental sponge migrate through stolons, leaving a naked parental skeleton, forming one or several filial sponges in the new location. Thus, stolonial movement combines traits of crawling along the substrate and asexual reproduction. This behavior relies on massive cell dedifferentiation followed by coordinated cell migration to the point of new sponge body formation and their subsequent differentiation into specialized cell types.
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Abstract
Over 100 years of sponge biology research has demonstrated spectacular diversity of cell behaviors during embryonic development, metamorphosis and regeneration. The past two decades have allowed the first glimpses into molecular and cellular mechanisms of these processes. We have learned that while embryonic development of sponges utilizes a conserved set of developmental regulatory genes known from other animals, sponge cell differentiation appears unusually labile. During normal development, and especially as a response to injury, sponge cells appear to have an uncanny ability to transdifferentiate. Here, I argue that sponge cell differentiation plasticity does not preclude homology of cell types and processes between sponges and other animals. Instead, it does provide a wonderful opportunity to better understand transdifferentiation processes in all animals.
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Affiliation(s)
- Maja Adamska
- Division of Biomedical Science and Biochemistry, Research School of Biology, The Australian National University, Canberra, Australia.
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