ArticleScientific reports2019
Perspectives on the clonal persistence of presumed 'ghost' genomes in unisexual or allopolyploid taxa arising via hybridization.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 26 citations in OpenAlex.
- Gradual chromosomal lagging drive programmed genome elimination in hemiclonal fishes from the genus Hypseleotris.Scientific reports · 2024Article
- Cryptic diversity within two widespread diadromous freshwater fishes (Teleostei: Galaxiidae).Ecology and evolution · 2024Article
- Phylogeography of a widespread Australian freshwater fish, western carp gudgeon (Eleotridae:Ecology and evolution · 2023Article
- Species delineation and systematics of a hemiclonal hybrid complex in Australian freshwaters (Gobiiformes: Gobioidei: Eleotridae:Royal Society open science · 2022Article
- Phylogeny, diversification, and biogeography of a hemiclonal hybrid system of native Australian freshwater fishes (Gobiiformes: Gobioidei: Eleotridae: Hypseleotris).BMC ecology and evolution · 2022Article
- Delete and survive: strategies of programmed genetic material elimination in eukaryotes.Biological reviews of the Cambridge Philosophical Society · 2022Review
- Uniparental Genome Elimination in Australian Carp Gudgeons.Genome biology and evolution · 2021Article
- Capture and return of sexual genomes by hybridogenetic frogs provide clonal genome enrichment in a sexual species.Scientific reports · 2021Article
- Deciphering the Evolutionary History of Arowana Fishes (Teleostei, Osteoglossiformes, Osteoglossidae): Insight from Comparative Cytogenomics.International journal of molecular sciences · 2019Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Although hybridization between non-sibling species rarely results in viable or fertile offspring, it occasionally produces self-perpetuating or sexually-parasitic lineages in which ancestral genomes are inherited clonally and thus may persist as 'ghost species' after ancestor extinction. Ghost species have been detected in animals and plants, for polyploid and diploid organisms, and across clonal, semi-clonal, and even sexual reproductive modes. Here we use a detailed investigation of the evolutionary and taxonomic status of a newly-discovered, putative ghost lineage (HX) in the fish genus Hypseleotris to provide perspectives on several important issues not previously explored by other studies on ghost species, but relevant to ongoing discussions about their detection, conservation, and artificial re-creation. Our comprehensive genetic (allozymes, mtDNA) and genomic (SNPs) datasets successfully identified a threatened sexual population of HX in one tiny portion of the extensive distribution displayed by two hemi-clonal HX-containing lineages. We also discuss what confidence should be placed on any assertion that an ancestral species is actually extinct, and how to assess whether any putative sexual ancestor represents a pure remnant, as shown here, or a naturally-occurring resurrection via the crossing of compatible clones or hemi-clones.
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