ArticlePloS one2019
Psidium guajava in the Galapagos Islands: Population genetics and history of an invasive species.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Dynamic Genetic Changes Reveal: Intra-Lineage Diversity, Not Admixture, ExplainsInternational journal of molecular sciences · 2025Article
- DNA Barcode, chemical analysis, and antioxidant activity of Psidium guineense from Ecuador.PloS one · 2025Article
- Canine vector-borne parasites in the Galapagos.Parasites & vectors · 2024Article
- Molecular Discovery of Filarial Nematode DNA in an Endangered Wild Pinniped (Galapagos Sea Lion,Ecology and evolution · 2024Article
- Genetic analyses and dispersal patterns unveil the Amazonian origin of guava domestication.Scientific reports · 2024Article
- Preliminary insights of the genetic diversity and invasion pathways ofEcology and evolution · 2024Article
- Exploring the versatility of sesquiterpene biosynthesis in guava plants: a comparative genome-wide analysis of two cultivars.Scientific reports · 2024Article
- Human-induced ecological cascades: Extinction, restoration, and rewilding in the Galápagos highlands.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Diversity, phylogeny and evolution of the rapidly evolving genus Psidium L. (Myrtaceae, Myrteae).Annals of botany · 2022Review
- Origin and dispersion pathways of guava in the Galapagos Islands inferred through genetics and historical records.Ecology and evolution · 2021Article
- The Taming ofFrontiers in plant science · 2021Review
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Authors and funding
6 authors.
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Abstract
The threat of invasive plant species in island populations prompts the need to better understand their population genetics and dynamics. In the Galapagos islands, this is exemplified by the introduced guava (Psidium guajava), considered one of the greatest threats to the local biodiversity due to its effective spread in the archipelago and its ability to outcompete endemic species. To better understand its history and genetics, we analyzed individuals from three inhabited islands in the Galapagos archipelago with 11 SSR markers. Our results reveal similar genetic diversity between islands, and the populations appear to be distinct: the islands of San Cristobal and Isabela are genetically different while the population of Santa Cruz is a mixture from both. Additional evidence for genetic bottlenecks and the inference of introduction events suggests an original introduction of the species in San Cristobal, from where it was later introduced to Isabela, and finally into Santa Cruz. Alternatively, a second introduction in Isabela might have occurred. These results are contrasted with the historical record, providing a first overview of the history of P. guajava in the Galapagos islands and its current population dynamics.
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