ArticleProceedings. Biological sciences2017
Tropical ancient DNA reveals relationships of the extinct Bahamian giant tortoise Chelonoidis alburyorum.
Article in Proceedings. Biological sciences, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 72 citations in OpenAlex.
- Article
- Article
- Ancient DNA elucidates the lost world of western Indian Ocean giant tortoises and reveals a new extinct species from Madagascar.Science advances · 2023Article
- Benchmarking software tools for trimming adapters and merging next-generation sequencing data for ancient DNA.Frontiers in bioinformatics · 2023Article
- Mitochondrial DNA and Distribution Modelling Evidenced the Lost Genetic Diversity and Wild-Residence of Star Tortoise,Animals : an open access journal from MDPI · 2022Article
- Biomolecular histology as a novel proxy for ancient DNA and protein sequence preservation.Ecology and evolution · 2022Article
- Revisiting proboscidean phylogeny and evolution through total evidence and palaeogenetic analyses includingiScience · 2022Article
- Species identification of Australian marsupials using collagen fingerprinting.Royal Society open science · 2021Article
- "Ancient DNA" reveals that the scientific name for an extinct tortoise from Cape Verde refers to an extant South American species.Scientific reports · 2021Article
- Paleogenomics illuminates the evolutionary history of the extinct Holocene "horned" crocodile of Madagascar, Voay robustus.Communications biology · 2021Article
- Ancient mitogenomics elucidates diversity of extinct West Indian tortoises.Scientific reports · 2021Article
- Rapid size change associated with intra-island evolutionary radiation in extinct Caribbean "island-shrews".BMC evolutionary biology · 2020Article
- Uneven Missing Data Skew Phylogenomic Relationships within the Lories and Lorikeets.Genome biology and evolution · 2020Article
- Article
- Ancient mitogenomics clarifies radiation of extinct Mascarene giant tortoises (Cylindraspis spp.).Scientific reports · 2019Article
- Island rewilding with giant tortoises in an era of climate change.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2018Review
- Article
- Review
- A mitogenomic timetree for Darwin's enigmatic South American mammal Macrauchenia patachonica.Nature communications · 2017Article
- Tropical ancient DNA reveals relationships of the extinct Bahamian giant tortoise Chelonoidis alburyorum.Proceedings. Biological sciences · 2017Article
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Authors and funding
10 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ancient DNA of extinct species from the Pleistocene and Holocene has provided valuable evolutionary insights. However, these are largely restricted to mammals and high latitudes because DNA preservation in warm climates is typically poor. In the tropics and subtropics, non-avian reptiles constitute a significant part of the fauna and little is known about the genetics of the many extinct reptiles from tropical islands. We have reconstructed the near-complete mitochondrial genome of an extinct giant tortoise from the Bahamas (Chelonoidis alburyorum) using an approximately 1 000-year-old humerus from a water-filled sinkhole (blue hole) on Great Abaco Island. Phylogenetic and molecular clock analyses place this extinct species as closely related to Galápagos (C. niger complex) and Chaco tortoises (C. chilensis), and provide evidence for repeated overseas dispersal in this tortoise group. The ancestors of extant Chelonoidis species arrived in South America from Africa only after the opening of the Atlantic Ocean and dispersed from there to the Caribbean and the Galápagos Islands. Our results also suggest that the anoxic, thermally buffered environment of blue holes may enhance DNA preservation, and thus are opening a window for better understanding evolution and population history of extinct tropical species, which would likely still exist without human impact.
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