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Título: | Regulation of growth-related genes by nutrition in paralarvae of the common octopus (Octopus vulgaris) |
Autor: | García de la Serrana, D.; Pérez Rodríguez, Montse CSIC ORCID ; Hernández-Urcera, Jorge CSIC ORCID; Pérez, Evaristo; Coll-Lladó, C.; Hollenbeck, c. | Palabras clave: | Octopus Transcriptomes mtor-L hsp90-L Growth Nutrition Paralarvae |
Fecha de publicación: | 2020 | Editor: | Elsevier | Citación: | Gene 747: 144670 (2020) | Resumen: | The common octopus (Octopus vulgaris) is a species of great interest to the aquaculture industry. However, the high mortalities registered during different phases of the octopus lifecycle, particularly the paralarvae stage, present a challenge for commercial aquaculture. Improvement of diet formulation is seen as one way to reduce mortality and improve growth. Molecular growth-markers could help to improve rearing protocols and increase survival and growth performance; therefore, over a hundred orthologous genes related to protein balance and muscle growth in vertebrates were identified for the common octopus and their suitability as molecular markers for growth in octopus paralarvae explored. We successfully amplified 14 of those genes and studied their transcription in paralarvae either fed with artemia, artemia + zoea diets or submitted to a short fasting-refeeding procedure. Paralarvae fed with artemia + zoea had higher growth rates compared to those fed only with artemia, as well as a significant increase in octopus mtor (mtor-L) and hsp90 (hsp90-L) transcription, with both genes also up-regulated during refeeding. Our results suggest that at least mtor-L and hsp90-L are likely linked to somatic growth in octopus paralarvae. Conversely, ckip1-L, crk-L, src-L and srf-L had expression patterns that did not match to periods of growth as would be expected based on similar studies in vertebrates, indicating that further research is needed to understand their function during growth and in a muscle specific context | Descripción: | 10 pages, 5 figures, 1 table | Versión del editor: | https://doi.org/10.1016/j.gene.2020.144670 | URI: | http://hdl.handle.net/10261/227520 | DOI: | 10.1016/j.gene.2020.144670 | ISSN: | 0378-1119 |
Aparece en las colecciones: | (IIM) Artículos (IEO) Artículos |
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