Assessing DESS solution for the long-term preservation of nematodes from faecal samples
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Título: | Assessing DESS solution for the long-term preservation of nematodes from faecal samples |
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Autor/es: | Gonzálvez, Moisés | Ruiz de Ybáñez, Rocío | Rodríguez-Caro, Roberto C. | Maíz-García, A. | Gómez, L. | Giménez, Andrés | Graciá, Eva |
Grupo/s de investigación o GITE: | Ecología y Conservación de Poblaciones y Comunidades Animales (ECPCA) |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Ecología |
Palabras clave: | DESS | Ethanol | Faeces | Oxyurid | Preservative solutions | Testudo graeca |
Fecha de publicación: | 18-oct-2022 |
Editor: | Elsevier |
Cita bibliográfica: | Research in Veterinary Science. 2022, 153: 45-48. https://doi.org/10.1016/j.rvsc.2022.10.010 |
Resumen: | Preservation of biological samples is a relevant issue for many scientific disciplines. Although traditional preservers, such as formaldehyde or ethanol, imply major disadvantages related to health risks, DNA degradation and distortion of structures, they are widely used. Hence, the search for viable alternatives preserving morphometry and genetics seems necessary. Here we assess the suitability of DESS solution to preserve adult nematodes and their eggs in faeces. Concretely, faecal samples of terrestrial tortoises with oxyurids were used to: (i) compare the 1-month storage efficacy of eggs from different conservation protocols (faeces without preserver at -20 °C, faeces with DESS solution at room temperature, faeces with DESS solution at -20 °C and faeces with ethanol 70% at room temperature); (ii) address morphological nematode identification after 2 years of storage with DESS. We also corroborated that nematode DNA remained viable after 2 years. Overall, our results showed that DESS solution at room temperature is an advisable alternative to conserve both parasite eggs and adult nematodes for morphological identification and genetic purposes. It also offers the advantages of being low-cost, safe and suitable for fieldwork conditions and shipments without refrigeration for nematode preservation. |
Patrocinador/es: | MG was supported by a contract for postdoctoral researchers from the Generalitat Valenciana with reference APOSTD/2021/181. RCRC was supported by the European Union-Next Generation EU in the Maria Zambrano Program (ZAMBRANO 21-26). This research had the financial support of project PID2019-105682RA-I00, funded by the Spanish Ministry of Science and Innovation MCIN/AEI/10.13039/501100011033. |
URI: | http://hdl.handle.net/10045/129860 |
ISSN: | 0034-5288 (Print) | 1532-2661 (Online) |
DOI: | 10.1016/j.rvsc.2022.10.010 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.1016/j.rvsc.2022.10.010 |
Aparece en las colecciones: | INV - ECPCA - Artículos de Revistas |
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