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Nematostella vectensis, an Emerging Model for Deciphering the Molecular and Cellular Mechanisms Underlying Whole-Body Regeneration

Journal

CELLS
Volume 10, Issue 10, Pages -

Publisher

MDPI
DOI: 10.3390/cells10102692

Keywords

whole-body regeneration; regeneration; functional genomics; stress response; Nematostella vectensis; cnidaria; anthozoa; sea anemone; marine organism

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Funding

  1. Centre National de la Recherche Scientifique (CNRS) via the INSB (grant Diversity of Biological Mechanisms)
  2. French government (National Research Agency, ANR) through the Investments for the Future programs [ANR-11-LABX-0028, ANR-15-IDEX-01, ANR-20-CE13-0014]

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Scientists have been intrigued by the ability of metazoans to regenerate lost or injured body parts, with whole body regeneration being a widespread phenomenon in aquatic/marine invertebrates. The sea anemone Nematostella vectensis has emerged as a key research model for understanding the cellular and molecular mechanisms underlying whole-body regeneration. Comparing embryonic development and regeneration in the same organism helps provide insight into specific elements of regeneration.
The capacity to regenerate lost or injured body parts is a widespread feature within metazoans and has intrigued scientists for centuries. One of the most extreme types of regeneration is the so-called whole body regenerative capacity, which enables regeneration of fully functional organisms from isolated body parts. While not exclusive to this habitat, whole body regeneration is widespread in aquatic/marine invertebrates. Over the past decade, new whole-body research models have emerged that complement the historical models Hydra and planarians. Among these, the sea anemone Nematostella vectensis has attracted increasing interest in regard to deciphering the cellular and molecular mechanisms underlying the whole-body regeneration process. This manuscript will present an overview of the biological features of this anthozoan cnidarian as well as the available tools and resources that have been developed by the scientific community studying Nematostella. I will further review our current understanding of the cellular and molecular mechanisms underlying whole-body regeneration in this marine organism, with emphasis on how comparing embryonic development and regeneration in the same organism provides insight into regeneration specific elements.

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