The brittle star genome illuminates the genetic basis of animal appendage regeneration.


Journal

Nature ecology & evolution
ISSN: 2397-334X
Titre abrégé: Nat Ecol Evol
Pays: England
ID NLM: 101698577

Informations de publication

Date de publication:
19 Jul 2024
Historique:
received: 06 11 2023
accepted: 29 05 2024
medline: 20 7 2024
pubmed: 20 7 2024
entrez: 19 7 2024
Statut: aheadofprint

Résumé

Species within nearly all extant animal lineages are capable of regenerating body parts. However, it remains unclear whether the gene expression programme controlling regeneration is evolutionarily conserved. Brittle stars are a species-rich class of echinoderms with outstanding regenerative abilities, but investigations into the genetic bases of regeneration in this group have been hindered by the limited genomic resources. Here we report a chromosome-scale genome assembly for the brittle star Amphiura filiformis. We show that the brittle star genome is the most rearranged among echinoderms sequenced so far, featuring a reorganized Hox cluster reminiscent of the rearrangements observed in sea urchins. In addition, we performed an extensive profiling of gene expression during brittle star adult arm regeneration and identified sequential waves of gene expression governing wound healing, proliferation and differentiation. We conducted comparative transcriptomic analyses with other invertebrate and vertebrate models for appendage regeneration and uncovered hundreds of genes with conserved expression dynamics, particularly during the proliferative phase of regeneration. Our findings emphasize the crucial importance of echinoderms to detect long-range expression conservation between vertebrates and classical invertebrate regeneration model systems.

Identifiants

pubmed: 39030276
doi: 10.1038/s41559-024-02456-y
pii: 10.1038/s41559-024-02456-y
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Subventions

Organisme : Royal Society
ID : URF\R1\191161
Organisme : Royal Society
ID : NIF\R1\222125
Organisme : RCUK | Biotechnology and Biological Sciences Research Council (BBSRC)
ID : BB/V01109X/1
Organisme : RCUK | Biotechnology and Biological Sciences Research Council (BBSRC)
ID : BB/V01109X/1
Organisme : RCUK | Biotechnology and Biological Sciences Research Council (BBSRC)
ID : BB/W017865/1
Organisme : Leverhulme Trust
ID : RPG-2021-436
Organisme : Japan Society for the Promotion of Science London (JSPS London)
ID : JP 19K06620
Organisme : Vetenskapsrådet (Swedish Research Council)
ID : 253016979
Organisme : Vetenskapsrådet (Swedish Research Council)
ID : 253016979
Organisme : Fonds De La Recherche Scientifique - FNRS (Belgian National Fund for Scientific Research)
ID : 40013965
Organisme : Fonds De La Recherche Scientifique - FNRS (Belgian National Fund for Scientific Research)
ID : T.0169.20
Organisme : National Science Foundation (NSF)
ID : 2131297
Organisme : EC | Horizon 2020 Framework Programme (EU Framework Programme for Research and Innovation H2020)
ID : MARISTEM
Organisme : EC | EC Seventh Framework Programm | FP7 Research infrastructures (FP7-INFRASTRUCTURES - Specific Programme "Capacities": Research Infrastructures)
ID : ASSEMBLE (227799)

Informations de copyright

© 2024. The Author(s).

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Auteurs

Elise Parey (E)

Centre for Life's Origins and Evolution, Department of Genetics, Evolution and Environment, University College London, London, UK. e.parey@ucl.ac.uk.

Olga Ortega-Martinez (O)

Tjärnö Marine Laboratory, Department of Marine Sciences, University of Gothenburg, Strömstad, Sweden.

Jérôme Delroisse (J)

Biology of Marine Organisms and Biomimetics Unit, Research Institute for Biosciences, University of Mons, Mons, Belgium.

Laura Piovani (L)

Centre for Life's Origins and Evolution, Department of Genetics, Evolution and Environment, University College London, London, UK.

Anna Czarkwiani (A)

Centre for Life's Origins and Evolution, Department of Genetics, Evolution and Environment, University College London, London, UK.
Technische Universität Dresden, Center for Regenerative Therapies Dresden (CRTD), Dresden, Germany.

David Dylus (D)

Centre for Life's Origins and Evolution, Department of Genetics, Evolution and Environment, University College London, London, UK.
Roche Pharmaceutical Research and Early Development (pRED), Cardiovascular and Metabolism, Immunology, Infectious Disease, and Ophthalmology (CMI2O), F. Hoffmann-La Roche Ltd, Basel, Switzerland.

Srishti Arya (S)

Centre for Life's Origins and Evolution, Department of Genetics, Evolution and Environment, University College London, London, UK.
MRC Laboratory of Medical Sciences, Imperial College London, London, UK.

Samuel Dupont (S)

Department of Biology and Environmental Science, University of Gothenburg, Kristineberg Marine Research Station, Fiskebäckskil, Sweden.
IAEA Marine Environment Laboratories, Radioecology Laboratory, Quai Antoine 1er, Monaco.

Michael Thorndyke (M)

Department of Biology and Environmental Science, University of Gothenburg, Kristineberg Marine Research Station, Fiskebäckskil, Sweden.

Tomas Larsson (T)

Department of Cell and Molecular Biology, National Bioinformatics Infrastructure Sweden, Science for Life Laboratory, Uppsala University, Uppsala, Sweden.

Kerstin Johannesson (K)

Tjärnö Marine Laboratory, Department of Marine Sciences, University of Gothenburg, Strömstad, Sweden.

Katherine M Buckley (KM)

Department of Biological Sciences, Auburn University, Auburn, AL, USA.

Pedro Martinez (P)

Departament de Genètica, Microbiologia, i Estadística, Universitat de Barcelona, Barcelona, Spain.
Institut Català de Recerca i Estudis Avançats (ICREA), Barcelona, Spain.

Paola Oliveri (P)

Centre for Life's Origins and Evolution, Department of Genetics, Evolution and Environment, University College London, London, UK. p.oliveri@ucl.ac.uk.

Ferdinand Marlétaz (F)

Centre for Life's Origins and Evolution, Department of Genetics, Evolution and Environment, University College London, London, UK. f.marletaz@ucl.ac.uk.

Classifications MeSH