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López-Landavery EA, Amador-Cano G, Tripp-Valdez MA, Ramírez-Álvarez N, Cicala F, Gómez-Reyes RJE, Díaz F, Re-Araujo AD, Galindo-Sánchez CE. Hydrocarbon exposure effect on energetic metabolism and immune response in Crassostrea virginica. Mar Pollut Bull 2022; 180:113738. [PMID: 35635877 DOI: 10.1016/j.marpolbul.2022.113738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 05/03/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
Crassostrea virginica was exposed to different light crude oil levels to assess the effect on transcriptomic response and metabolic rate. The exposure time was 21 days, and levels of 100 and 200 μg/L were used, including a control. The most significant difference among treatments was the overexpression of several genes associated with energy production, reactive oxygen species (ROS) regulation, immune system response, and inflammatory response. Also, a hydrocarbon concentration-related pattern was identified in ROS regulation, with a gene expression ratio near 1.8:1 between 200 and 100 μg/L treatments. Statistical analysis showed no interaction effect for metabolic rate; however, significant differences were found for oil concentration and time factors, with a higher oxygen consumption at 200 μg/L. Our findings provide novel information about the metabolic response of C. virginica during hydrocarbons exposure. In addition, our results point out which biological processes should be investigated as targets for searching bioindicators.
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Affiliation(s)
- E A López-Landavery
- Laboratorio de Genómica Funcional, Departamento de Biotecnología Marina, Centro de Investigación Científica y Educación Superior de Ensenada (CICESE), Ensenada, BC, Mexico; Laboratorio de Genética, Fisiología y Reproducción, Facultad de Ciencias, Universidad Nacional del Santa, Nuevo Chimbote, Ancash, Peru
| | - G Amador-Cano
- Universidad Tecnológica del Mar de Tamaulipas Bicentenario, La Pesca, Soto La Marina, Tamaulipas, Mexico
| | - M A Tripp-Valdez
- Departamento de Acuicultura, Centro de Investigación Científica y Educación Superior de Ensenada (CICESE), Ensenada, BC, Mexico
| | - N Ramírez-Álvarez
- Instituto de Investigaciones Oceanológicas (IIO), Universidad Autónoma de Baja California (UABC), Carretera Tijuana-Ensenada No. 3917, Ensenada, BC, Mexico
| | - F Cicala
- Laboratorio de Genómica Funcional, Departamento de Biotecnología Marina, Centro de Investigación Científica y Educación Superior de Ensenada (CICESE), Ensenada, BC, Mexico
| | - R J E Gómez-Reyes
- Laboratorio de Genómica Funcional, Departamento de Biotecnología Marina, Centro de Investigación Científica y Educación Superior de Ensenada (CICESE), Ensenada, BC, Mexico; Facultad de Ciencias Marinas, Universidad Autónoma de Baja California (UABC), Carretera Tijuana-Ensenada No. 3917, Ensenada, BC, Mexico
| | - F Díaz
- Laboratorio de Genómica Funcional, Departamento de Biotecnología Marina, Centro de Investigación Científica y Educación Superior de Ensenada (CICESE), Ensenada, BC, Mexico
| | - A D Re-Araujo
- Laboratorio de Genómica Funcional, Departamento de Biotecnología Marina, Centro de Investigación Científica y Educación Superior de Ensenada (CICESE), Ensenada, BC, Mexico
| | - C E Galindo-Sánchez
- Laboratorio de Genómica Funcional, Departamento de Biotecnología Marina, Centro de Investigación Científica y Educación Superior de Ensenada (CICESE), Ensenada, BC, Mexico.
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Tapia-Morales S, López-Landavery EA, Giffard-Mena I, Ramírez-Álvarez N, Gómez-Reyes RJE, Díaz F, Galindo-Sánchez CE. Transcriptomic response of the Crassostrea virginica gonad after exposure to a water-accommodation fraction of hydrocarbons and the potential implications in reproduction. Mar Genomics 2018; 43:9-18. [PMID: 30409725 DOI: 10.1016/j.margen.2018.10.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 10/06/2018] [Accepted: 10/20/2018] [Indexed: 11/26/2022]
Abstract
The Crassostrea virginica oyster has biological and economic importance in the Gulf of Mexico, an area with a high extraction and production of hydrocarbons. Exposure to hydrocarbons affects the reproductive processes in bivalves. In C. virginica, the effect of hydrocarbons on the gonad of the undifferentiated organism has not been evaluated to determine the possible damage during the maturation process. To evaluate this effect, RNA-seq data was generated from C. virginica gonads exposed to a 200 μg/L of hydrocarbons at different exposure times (7, 14 and 21 days) and a control treatment (without hydrocarbons). The analysis of the gonad transcriptome showed the negative effect of hydrocarbons on maturation, with a sub-expression of 22 genes involved in different stages of this process. Additionally, genes in the immune system were down-regulated, which may indicate that exposure to hydrocarbons causes immunosuppression in bivalves. A group of oxidative stress genes was also reduced. These data contribute to a better understanding of the effect of hydrocarbons on the reproductive process in bivalves and, at the same time, allow us to identify possible biomarkers associated with hydrocarbon contamination in the gonad of C. virginica.
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Affiliation(s)
- S Tapia-Morales
- Centro de Investigación Científica y Educación Superior de Ensenada, Laboratorio de Genómica Marina, Carretera Ensenada-Tijuana, C.P. 22860 Ensenada, B. C., Mexico; Universidad Autónoma de Baja California, Facultad de Ciencias Marinas, Laboratorio de Patología Experimental Acuícola, Carretera Ensenada-Tijuana No. 3917, C.P. 22860 Ensenada, B. C., Mexico
| | - E A López-Landavery
- Centro de Investigación Científica y Educación Superior de Ensenada, Laboratorio de Genómica Marina, Carretera Ensenada-Tijuana, C.P. 22860 Ensenada, B. C., Mexico
| | - I Giffard-Mena
- Universidad Autónoma de Baja California, Facultad de Ciencias Marinas, Laboratorio de Patología Experimental Acuícola, Carretera Ensenada-Tijuana No. 3917, C.P. 22860 Ensenada, B. C., Mexico
| | - N Ramírez-Álvarez
- Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas, Carretera Ensenada-Tijuana No. 3917, C.P. 22860 Ensenada, B. C., Mexico
| | - R J E Gómez-Reyes
- Centro de Investigación Científica y Educación Superior de Ensenada, Laboratorio de Genómica Marina, Carretera Ensenada-Tijuana, C.P. 22860 Ensenada, B. C., Mexico
| | - F Díaz
- Centro de Investigación Científica y Educación Superior de Ensenada, Laboratorio de Genómica Marina, Carretera Ensenada-Tijuana, C.P. 22860 Ensenada, B. C., Mexico
| | - C E Galindo-Sánchez
- Centro de Investigación Científica y Educación Superior de Ensenada, Laboratorio de Genómica Marina, Carretera Ensenada-Tijuana, C.P. 22860 Ensenada, B. C., Mexico.
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