ArticleMolecular biology reports2019
Detecting population structure of Paleosuchus trigonatus (Alligatoridae: Caimaninae) through microsatellites markers developed by next generation sequencing.
Article in Molecular biology reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 20 citations in OpenAlex.
- Genetic diversity of Tomistoma schlegelii in Malaysia using microsatellite and mitochondrial DNA markers.Scientific reports · 2025Article
- Ecological and Behavioral Implications of Multiple Paternity in the Smooth-Fronted Caiman in French Guiana.Ecology and evolution · 2025Article
- The effects of cryptic diversity on diversification dynamics analyses in Crocodylia.Proceedings. Biological sciences · 2025Article
- First microsatellite markers for the Amazonian species Copaifera multijuga Hayne developed using next-generation sequencing.Molecular biology reports · 2024Article
- The Cytogenetic Map of the Nile Crocodile (International journal of molecular sciences · 2022Article
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
Abstract
We isolated and characterized 10 new microsatellites loci for Paleosuchus trigonatus using ION TORRENT Sequencing Technology. We tested the transferability of these loci to three related species of the subfamily Caimaninae, and used these bi-parental markers to test population structure and genetic diversity of two populations of P. trigonatus impacted by hydroelectric dam construction on the Madeira (N = 16) and Xingu (N = 16) rivers. We also investigated the transferability of these markers to three related species: Paleosuchus palpebrosus (N = 5), Caiman crocodilus (N = 6) and Melanosuchus niger (N = 6). The genetic diversity of P. trigonatus was low in both the Madeira (He: 0.535 ± 0.148) and Xingu (He: 0.381 ± 0.222) populations, but the loci were sufficiently polymorphic to be used in system of mating and kinship studies in P. trigonatus. DAPC analysis with our set of microsatellites loci was able to separate the four species of Caimaninae studied and to detect a shallow genetic structure between Madeira and Xingu populations of P. trigonatus. AMOVA and STRUCTURE analyses using locprior model corroborate this shallow genetic structure. These novel molecular markers will be also useful in conservation genetics and phylogeographic studies of P. trigonatus, since they improve our ability to monitor the putative effects of dams on the loss of genetic diversity and allow us to investigate population dynamics and microevolutionary processes that occurred in the species.
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