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A genomic view of 500 million years of cnidarian evolution
Open accessAbstract
Cnidarians (corals, anemones, jellyfish and hydras) are a diverse group of animals of interest to evolutionary biologists, ecologists and developmental biologists. With the publication of the genome sequences of Hydra and Nematostella, whose last common ancestor was the stem cnidarian, researchers are beginning to see the genomic underpinnings of cnidarian biology. Cnidarians are known for the remarkable plasticity of their morphology and life cycles. This plasticity is reflected in the Hydra and Nematostella genomes, which differ to an exceptional degree in size, base composition, transposable element content and gene conservation. It is now known what cnidarian genomes, given 500 million years, are capable of; as we discuss here, the next challenge is to understand how this genomic history has led to the striking diversity seen in this group.
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“Taking into account more than 500 million years of independent evolution of the bilaterian and cnidarian lineage [76], surprisingly, many elements of the developmental neuronal network and genes governing neuronal structure and function are conserved.”
From Evolution of eumetazoan nervous systems: insights from cnidarians (2015) · cites this paper as [76]
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Metadata
- Authors
- Steele, R. E., David, C. N., & Technau, U.
- Affiliations
- University of California, Irvine (US)
- Ludwig-Maximilians-Universität München (DE)
- University of Vienna (AT)
- Venue
- Trends in Genetics
- Publisher
- Elsevier BV
- Published
- 2011-01
- Volume
- 27
- Issue
- 1
- Pages
- 7-13
- ISSN
- 0168-9525 (ISSN-L)
- PMC
- PMC3058326
- OpenAlex
- W1993001731
- Cited by
- 111
- References
- 100
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 3 · 2023: 11 · 2022: 6 · 2021: 5 · 2020: 4 · 2019: 9 · 2018: 5 · 2017: 7 · 2016: 8 · 2015: 12 · 2014: 9 · 2013: 10 · 2012: 8
- FWCI
- 1.03
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Trends in Genetics (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute of General Medical Sciences (R24GM080537)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Marine Invertebrate Physiology and Ecology
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Chromosomal and Genetic Variations
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
- Keywords
- cnidarian evolution, genome evolution, Hydra, Nematostella, genome size variation, transposable elements, genetic conservation, morphological plasticity
- MeSH terms
- Animals, Cnidaria, Biological Evolution, Gene Expression Regulation, Phylogeny, Genome, Evolution, Molecular, Gene Transfer, Horizontal
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