Cited by 111Marine Invertebrate Physiology and EcologyChromosomal and Genetic VariationsGenomics and Phylogenetic Studies

A genomic view of 500 million years of cnidarian evolution

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Steele, Robert E., David, Charles N., Technau, Ulrich·2011·Trends in Genetics

Abstract

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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  • Many elements of the developmental neuronal network and genes governing neuronal structure and function are conserved between bilaterians and cnidarians.

    “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.”

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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)
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
Locations
  • Trends in Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of General Medical Sciences (R24GM080537)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Marine Invertebrate Physiology and Ecology
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › 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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