Class-level relationships in the phylum Cnidaria: evidence from mitochondrial genome structure.
Open accessAbstract
The phylogenetic relationships of the Recent cnidarian classes remain one of the classic problems in invertebrate zoology. We survey the structure of the mitochondrial genome in representatives of the four extant cnidarian classes and in the phylum Ctenophora. We find that all anthozoan species tested possess mtDNA in the form of circular molecules, whereas all scyphozoan, cubozoan, and hydrozoan species tested display mtDNA in the form of linear molecules. Because ctenophore and all other known metazoan mtDNA is circular, the shared occurrence of linear mtDNA in three of the four cnidarian classes suggests a basal position for the Anthozoa within the phylum.
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Medusozoa are united by pelagic medusae and uniquely linear mitochondrial genomes.
“The other Cnidarian classes are united by their pelagic medusae and uniquely linear mitochondrial genomes (9) into the Medusozoa, including Hydra and related hydroids, jellyfish, and box jellies.”
From Sea Anemone Genome Reveals Ancestral Eumetazoan Gene Repertoire and Genomic Organization (2007) · cites this paper as [9]
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- Authors
- Bridge, D., Cunningham, C. W., Schierwater, B., DeSalle, R., & Buss, L. W.
- Affiliations
- Yale University (US)
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 1992-09-15
- Volume
- 89
- Issue
- 18
- Pages
- 8750-8753
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- PMC
- PMC49998
- OpenAlex
- W1967679656
- Cited by
- 296
- References
- 0
- Citations by year
- 2026: 2 · 2025: 5 · 2024: 16 · 2023: 8 · 2022: 8 · 2021: 8 · 2020: 6 · 2019: 7 · 2018: 7 · 2017: 10 · 2016: 10 · 2015: 12 · 2014: 4 · 2013: 6 · 2012: 14
- FWCI
- 5.05
- Type
- journal article
- Language
- en
- Open access
- green
- europepmc.org
- Locations
- Proceedings of the National Academy of Sciences (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Marine Invertebrate Physiology and Ecology
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Invertebrate Taxonomy and Ecology
- Keywords
- Cnidaria, Ctenophora, mitochondrial genome, phylogenetic relationships, Anthozoa, Scyphozoa, Cubozoa, Hydrozoa, animal evolution
- MeSH terms
- Animals, Base Sequence, Cnidaria, DNA, Mitochondrial, DNA, Ribosomal, Microscopy, Electron, Molecular Sequence Data, Oligodeoxyribonucleotides, Phylogeny, RNA, Ribosomal, Polymerase Chain Reaction
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