1
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Schnitzler CE, Chang ES, Waletich J, Quiroga-Artigas G, Wong WY, Nguyen AD, Barreira SN, Doonan LB, Gonzalez P, Koren S, Gahan JM, Sanders SM, Bradshaw B, DuBuc TQ, Febrimarsa, de Jong D, Nawrocki EP, Larson A, Klasfeld S, Gornik SG, Moreland RT, Wolfsberg TG, Phillippy AM, Mullikin JC, Simakov O, Cartwright P, Nicotra M, Frank U, Baxevanis AD. The genome of the colonial hydroid Hydractinia reveals that their stem cells use a toolkit of evolutionarily shared genes with all animals. Genome Res 2024; 34:498-513. [PMID: 38508693 PMCID: PMC11067881 DOI: 10.1101/gr.278382.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 03/07/2024] [Indexed: 03/22/2024]
Abstract
Hydractinia is a colonial marine hydroid that shows remarkable biological properties, including the capacity to regenerate its entire body throughout its lifetime, a process made possible by its adult migratory stem cells, known as i-cells. Here, we provide an in-depth characterization of the genomic structure and gene content of two Hydractinia species, Hydractinia symbiolongicarpus and Hydractinia echinata, placing them in a comparative evolutionary framework with other cnidarian genomes. We also generated and annotated a single-cell transcriptomic atlas for adult male H. symbiolongicarpus and identified cell-type markers for all major cell types, including key i-cell markers. Orthology analyses based on the markers revealed that Hydractinia's i-cells are highly enriched in genes that are widely shared amongst animals, a striking finding given that Hydractinia has a higher proportion of phylum-specific genes than any of the other 41 animals in our orthology analysis. These results indicate that Hydractinia's stem cells and early progenitor cells may use a toolkit shared with all animals, making it a promising model organism for future exploration of stem cell biology and regenerative medicine. The genomic and transcriptomic resources for Hydractinia presented here will enable further studies of their regenerative capacity, colonial morphology, and ability to distinguish self from nonself.
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Affiliation(s)
- Christine E Schnitzler
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, Florida 32080, USA
- Department of Biology, University of Florida, Gainesville, Florida 32611, USA
| | - E Sally Chang
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Justin Waletich
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, Florida 32080, USA
- Department of Biology, University of Florida, Gainesville, Florida 32611, USA
| | - Gonzalo Quiroga-Artigas
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, Florida 32080, USA
- Department of Biology, University of Florida, Gainesville, Florida 32611, USA
- Centre de Recherche en Biologie cellulaire de Montpellier (CRBM), Université de Montpellier, Centre National de la Recherche Scientifique, 34293 Montpellier CEDEX 05, France
| | - Wai Yee Wong
- Department for Neurosciences and Developmental Biology, University of Vienna, 1030 Vienna, Austria
| | - Anh-Dao Nguyen
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Sofia N Barreira
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Liam B Doonan
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway H91 W2TY, Ireland
| | - Paul Gonzalez
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Sergey Koren
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - James M Gahan
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway H91 W2TY, Ireland
- Department of Biochemistry, University of Oxford, Oxford OX1 3QU, United Kingdom
| | - Steven M Sanders
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
- Pittsburgh Center for Evolutionary Biology and Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
| | - Brian Bradshaw
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway H91 W2TY, Ireland
| | - Timothy Q DuBuc
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway H91 W2TY, Ireland
- Department of Biology, Swarthmore College, Swarthmore, Pennsylvania 19081, USA
| | - Febrimarsa
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway H91 W2TY, Ireland
- Pharmaceutical Biology Laboratory, Faculty of Pharmacy, Universitas Muhammadiyah Surakarta, Jawa Tengah 57169, Indonesia
| | - Danielle de Jong
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, Florida 32080, USA
- Department of Biology, University of Florida, Gainesville, Florida 32611, USA
| | - Eric P Nawrocki
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Alexandra Larson
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, Florida 32080, USA
| | - Samantha Klasfeld
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Sebastian G Gornik
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway H91 W2TY, Ireland
- Center for Organismal Studies, University of Heidelberg, 69117 Heidelberg, Germany
| | - R Travis Moreland
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Tyra G Wolfsberg
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Adam M Phillippy
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - James C Mullikin
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
- NIH Intramural Sequencing Center, Rockville, Maryland 20852, USA
| | - Oleg Simakov
- Department for Neurosciences and Developmental Biology, University of Vienna, 1030 Vienna, Austria
| | - Paulyn Cartwright
- Department of Evolution and Ecology, University of Kansas, Lawrence, Kansas 66045, USA
| | - Matthew Nicotra
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
- Pittsburgh Center for Evolutionary Biology and Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
| | - Uri Frank
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway H91 W2TY, Ireland
| | - Andreas D Baxevanis
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland 20892, USA;
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2
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Mańko MK, Munro C, Leclère L. Establishing Bilateral Symmetry in Hydrozoan Planula Larvae, a Review of Siphonophore Early Development. Integr Comp Biol 2023; 63:975-989. [PMID: 37353930 DOI: 10.1093/icb/icad081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 06/02/2023] [Accepted: 06/11/2023] [Indexed: 06/25/2023] Open
Abstract
Siphonophores are colonial hydrozoans, characterized by complex colony organization and unparalleled zooid functional specialization. Recent genomic studies have offered an evolutionary perspective on how this morphological complexity arose, but a molecular characterization of symmetry breaking in siphonophore embryonic development is still largely missing. Here, bringing together historical data on early development with new immunohistochemical data, we review the diversity of developmental trajectories that lead to the formation of bilaterally symmetric planula larvae in siphonophores. Embryonic development, up to the planula stage, is remarkably similar across siphonophore phylogeny. Then, with the appearance of the lateral endodermal thickening (= ventral endoderm), larval development diverges between taxa, differing in the location and patterning of the primary buds, chronology of budding, establishment of growth zones, and retention of larval zooids. Our work also uncovers a number of open questions in siphonophore development, including homology of different zooids, mechanisms underlying formation and maintenance of spatially restricted growth zone(s), and molecular factors establishing a secondary dorsal-ventral axis in planulae. By discussing siphonophore development and body axes within the broader cnidarian context, we then set the framework for future work on siphonophores, which is finally achievable with the advent of culturing methods.
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Affiliation(s)
- Maciej K Mańko
- Laboratory of Plankton Biology, Department of Marine Biology and Biotechnology, University of Gdańsk, Gdynia, 81-378, Poland
| | - Catriona Munro
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, Université PSL, Paris, 75005, France
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement de Villefranche-sur-mer (LBDV), Villefranche-sur-Mer, 06230, France
| | - Lucas Leclère
- Sorbonne Université, CNRS, Laboratoire de Biologie du Développement de Villefranche-sur-mer (LBDV), Villefranche-sur-Mer, 06230, France
- Sorbonne Université, CNRS, Biologie Intégrative des Organismes Marins (BIOM), Banyuls-sur-Mer, 66650, France
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3
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Lee EEL, O'Malley-Krohn I, Edsinger E, Wu S, Malamy J. Epithelial wound healing in Clytia hemisphaerica provides insights into extracellular ATP signaling mechanisms and P2XR evolution. Sci Rep 2023; 13:18819. [PMID: 37914720 PMCID: PMC10620158 DOI: 10.1038/s41598-023-45424-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 10/19/2023] [Indexed: 11/03/2023] Open
Abstract
Epithelial wound healing involves the collective responses of many cells, including those at the wound margin (marginal cells) and those that lack direct contact with the wound (submarginal cells). How these responses are induced and coordinated to produce rapid, efficient wound healing remains poorly understood. Extracellular ATP (eATP) is implicated as a signal in epithelial wound healing in vertebrates. However, the role of eATP in wound healing in vivo and the cellular responses to eATP are unclear. Almost nothing is known about eATP signaling in non-bilaterian metazoans (Cnidaria, Ctenophora, Placozoa, and Porifera). Here, we show that eATP promotes closure of epithelial wounds in vivo in the cnidarian Clytia hemisphaerica (Clytia) indicating that eATP signaling is an evolutionarily ancient strategy in wound healing. Furthermore, eATP increases F-actin accumulation at the edges of submarginal cells. In Clytia, this indicates eATP is involved in coordinating cellular responses during wound healing, acting in part by promoting actin remodeling in cells at a distance from the wound. We also present evidence that eATP activates a cation channel in Clytia epithelial cells. This implies that the eATP signal is transduced through a P2X receptor (P2XR). Phylogenetic analyses identified four Clytia P2XR homologs and revealed two deeply divergent major branches in P2XR evolution, necessitating revision of current models. Interestingly, simple organisms such as cellular slime mold appear exclusively on one branch, bilaterians are found exclusively on the other, and many non-bilaterian metazoans, including Clytia, have P2XR sequences from both branches. Together, these results re-draw the P2XR evolutionary tree, provide new insights into the origin of eATP signaling in wound healing, and demonstrate that the cytoskeleton of submarginal cells is a target of eATP signaling.
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Affiliation(s)
- Elizabeth E L Lee
- Department of Molecular Genetics and Cell Biology, The University of Chicago, 929 East 57th Street, Chicago, IL, 60637, USA
| | - Isabel O'Malley-Krohn
- Biological Sciences Collegiate Division, The University of Chicago, 929 East 57th Street, Chicago, IL, 60637, USA
| | - Eric Edsinger
- Whitney Laboratory for Marine Biosciences, University of Florida, 9505 N Ocean Shore Blvd, St. Augustine, FL, 32080, USA
| | - Stephanie Wu
- Biological Sciences Collegiate Division, The University of Chicago, 929 East 57th Street, Chicago, IL, 60637, USA
| | - Jocelyn Malamy
- Department of Molecular Genetics and Cell Biology, The University of Chicago, 929 East 57th Street, Chicago, IL, 60637, USA.
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4
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Ginestet M, Huynh JR. [News on jellyfish sexual life]. Med Sci (Paris) 2023; 39:716-718. [PMID: 37943130 DOI: 10.1051/medsci/2023120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023] Open
Affiliation(s)
- Maud Ginestet
- Collège de France, université Paris sciences et lettres (PSL), CNRS, Inserm, centre interdisciplinaire de recherche en biologie (CIRB), Paris, France
| | - Jean-René Huynh
- Collège de France, université Paris sciences et lettres (PSL), CNRS, Inserm, centre interdisciplinaire de recherche en biologie (CIRB), Paris, France
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5
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Schnitzler CE, Chang ES, Waletich J, Quiroga-Artigas G, Wong WY, Nguyen AD, Barreira SN, Doonan L, Gonzalez P, Koren S, Gahan JM, Sanders SM, Bradshaw B, DuBuc TQ, Febrimarsa, de Jong D, Nawrocki EP, Larson A, Klasfeld S, Gornik SG, Moreland RT, Wolfsberg TG, Phillippy AM, Mullikin JC, Simakov O, Cartwright P, Nicotra M, Frank U, Baxevanis AD. The genome of the colonial hydroid Hydractinia reveals their stem cells utilize a toolkit of evolutionarily shared genes with all animals. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.25.554815. [PMID: 37786714 PMCID: PMC10541594 DOI: 10.1101/2023.08.25.554815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
Hydractinia is a colonial marine hydroid that exhibits remarkable biological properties, including the capacity to regenerate its entire body throughout its lifetime, a process made possible by its adult migratory stem cells, known as i-cells. Here, we provide an in-depth characterization of the genomic structure and gene content of two Hydractinia species, H. symbiolongicarpus and H. echinata, placing them in a comparative evolutionary framework with other cnidarian genomes. We also generated and annotated a single-cell transcriptomic atlas for adult male H. symbiolongicarpus and identified cell type markers for all major cell types, including key i-cell markers. Orthology analyses based on the markers revealed that Hydractinia's i-cells are highly enriched in genes that are widely shared amongst animals, a striking finding given that Hydractinia has a higher proportion of phylum-specific genes than any of the other 41 animals in our orthology analysis. These results indicate that Hydractinia's stem cells and early progenitor cells may use a toolkit shared with all animals, making it a promising model organism for future exploration of stem cell biology and regenerative medicine. The genomic and transcriptomic resources for Hydractinia presented here will enable further studies of their regenerative capacity, colonial morphology, and ability to distinguish self from non-self.
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Affiliation(s)
- Christine E Schnitzler
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, FL 32080, USA
- Department of Biology, University of Florida, Gainesville, FL 32611, USA
| | - E Sally Chang
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20892, USA
| | - Justin Waletich
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, FL 32080, USA
- Department of Biology, University of Florida, Gainesville, FL 32611, USA
| | - Gonzalo Quiroga-Artigas
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, FL 32080, USA
- Department of Biology, University of Florida, Gainesville, FL 32611, USA
- Centre de Recherche en Biologie cellulaire de Montpellier (CRBM), Université de Montpellier, Centre National de la Recherche Scientifique, 34293 Montpellier CEDEX 05, France
| | - Wai Yee Wong
- Department of Molecular Evolution and Development, Faculty of Life Science, University of Vienna, A-1090 Vienna, Austria
| | - Anh-Dao Nguyen
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sofia N Barreira
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Liam Doonan
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway, Ireland
| | - Paul Gonzalez
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sergey Koren
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - James M Gahan
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway, Ireland
- Department of Biochemistry, University of Oxford, Oxford, UK
| | - Steven M Sanders
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Pittsburgh Center for Evolutionary Biology and Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Brian Bradshaw
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway, Ireland
| | - Timothy Q DuBuc
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway, Ireland
- Swarthmore College, Swarthmore, PA 19081, USA
| | - Febrimarsa
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway, Ireland
| | - Danielle de Jong
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, FL 32080, USA
- Department of Biology, University of Florida, Gainesville, FL 32611, USA
| | - Eric P Nawrocki
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20892, USA
| | - Alexandra Larson
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, FL 32080, USA
| | - Samantha Klasfeld
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sebastian G Gornik
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway, Ireland
- Centre for Organismal Studies, University of Heidelberg, Germany
| | - R Travis Moreland
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Tyra G Wolfsberg
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Adam M Phillippy
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - James C Mullikin
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
- NIH Intramural Sequencing Center, Rockville, MD 20852, USA
| | - Oleg Simakov
- Department of Molecular Evolution and Development, Faculty of Life Science, University of Vienna, A-1090 Vienna, Austria
| | - Paulyn Cartwright
- Department of Evolution and Ecology, University of Kansas, Lawrence, KS 66045, USA
| | - Matthew Nicotra
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Pittsburgh Center for Evolutionary Biology and Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Uri Frank
- Centre for Chromosome Biology, College of Science and Engineering, University of Galway, Galway, Ireland
| | - Andreas D Baxevanis
- Division of Intramural Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
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6
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Cabrita B, Martinho RG. Genetic and Epigenetic Regulation of Drosophila Oocyte Determination. J Dev Biol 2023; 11:21. [PMID: 37367475 DOI: 10.3390/jdb11020021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/18/2023] [Accepted: 05/20/2023] [Indexed: 06/28/2023] Open
Abstract
Primary oocyte determination occurs in many organisms within a germ line cyst, a multicellular structure composed of interconnected germ cells. However, the structure of the cyst is itself highly diverse, which raises intriguing questions about the benefits of this stereotypical multicellular environment for female gametogenesis. Drosophila melanogaster is a well-studied model for female gametogenesis, and numerous genes and pathways critical for the determination and differentiation of a viable female gamete have been identified. This review provides an up-to-date overview of Drosophila oocyte determination, with a particular emphasis on the mechanisms that regulate germ line gene expression.
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Affiliation(s)
- Brigite Cabrita
- Department of Medical Sciences, Institute of Biomedicine (iBiMED), University of Aveiro, Agra do Crasto, Edifício 30, 3810-193 Aveiro, Portugal
| | - Rui Gonçalo Martinho
- Department of Medical Sciences, Institute of Biomedicine (iBiMED), University of Aveiro, Agra do Crasto, Edifício 30, 3810-193 Aveiro, Portugal
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