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DNA barcodes applied to a rapid baseline construction in biodiversity monitoring for the conservation of aquatic ecosystems in the Sian Ka’an Reserve (Mexico) and adjacent areas

Valdez Moreno, Martha [autora] | Mendoza Carranza, Manuel [autor] | Rendón Hernández, Eduardo [autor] | Alarcón Chavira, Erika [autora] | Elías Gutiérrez, Manuel [autor].
Tipo de material: Artículo en línea Artículo en línea Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Ecosistemas acuáticos | Zooplanctón de agua dulce | Peces | ADN ambiental | Códigos de barras de ADN | Citocromo c oxidasaTema(s) en inglés: Aquatic ecosystems | Freshwater zooplankton | Fishes | Environmental DNA | DNA barcoding | Cytochrome c oxidaseDescriptor(es) geográficos: Reserva de la Biosfera Sian Ka'an (Quintana Roo, México) Nota de acceso: Acceso en línea sin restricciones En: Diversity. Volumen 13, número 7, 292 (june 2021), páginas 1-22. --ISSN: 1424-2818Número de sistema: 61247Resumen:
Inglés

This study is focused to the aquatic environments of the Sian Ka’an reserve, a World Heritage Site. We applied protocols recently developed for the rapid assessment of most animal taxa inhabiting any freshwater system, by using light traps, and DNA barcodes, represented by the mitochondrial gene Cytochrome Oxidase I (COI). We DNA barcoded 1037 specimens of mites, crustaceans, insects, and fish larvae from 13 aquatic environments close or inside the reserve, with a success rate of 99.8%. In total, 167 Molecular Operational Taxonomic Units (MOTU’s) were detected. From them we identified 43 species. All others remain as a MOTU. For analyzing the adult fish communities, we applied the non-invasive method of environmental DNA (eDNA), and identified the sequences obtained with the Barcode of Life Database (BOLD). We found 25 fish species, and other terrestrial vertebrates from this region. No alien species was found. After a comparison of the MOTU’s from all systems, we found that each water body was unique respect the communities observed. The reference library presented here represents the first step for future programs to detect any change in these ecosystems, including invasive species, or improve knowledge of freshwater zooplankton, because most of the MOTU’s are possibly new species to science.

Recurso en línea: https://doi.org/10.3390/d13070292
Lista(s) en las que aparece este ítem: Reserva de la Biosfera de Sian Ka'an
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Acceso en línea sin restricciones

This study is focused to the aquatic environments of the Sian Ka’an reserve, a World Heritage Site. We applied protocols recently developed for the rapid assessment of most animal taxa inhabiting any freshwater system, by using light traps, and DNA barcodes, represented by the mitochondrial gene Cytochrome Oxidase I (COI). We DNA barcoded 1037 specimens of mites, crustaceans, insects, and fish larvae from 13 aquatic environments close or inside the reserve, with a success rate of 99.8%. In total, 167 Molecular Operational Taxonomic Units (MOTU’s) were detected. From them we identified 43 species. All others remain as a MOTU. For analyzing the adult fish communities, we applied the non-invasive method of environmental DNA (eDNA), and identified the sequences obtained with the Barcode of Life Database (BOLD). We found 25 fish species, and other terrestrial vertebrates from this region. No alien species was found. After a comparison of the MOTU’s from all systems, we found that each water body was unique respect the communities observed. The reference library presented here represents the first step for future programs to detect any change in these ecosystems, including invasive species, or improve knowledge of freshwater zooplankton, because most of the MOTU’s are possibly new species to science. eng

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