AquaIMPACT EASTalk webinar: Fish and gut microbiota dialogue (video available)

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La Sociedad Europea de Acuicultura (EAS) ha celebrado un nuevo seminario web dentro de la serie EASTalk. El seminario centrado en los resultados  del Proyecto Europeo AquaIMPACT ha servido para poner poner de manifiesto la estrecha comunicación de los peces en cultivo con su microbiota intestinal.

AquaIMPACT integra información de los efectos de la  nutrición y selección genética  sobre la composición y actividad de la microbiota intestinal, y uno de los objetivos del proyecto es utilizar medidas de la composición y actividad de esta microbiota para evaluar el impacto de las soluciones propuestas por AquaIMPACT para producir animales sanos y altamente nutritivos.

El seminario se ha organizado en tres charlas de 10-15 minutos, seguidas de una sesion de preguntas y respuestas muy activa dado el alto número de asistentes registrados (más de 360). La sesión ha sido moderada por la Prof  Ariadna Sitjà-Bobadilla del Instituto de Acuicutura Torre la Sal (IATS-CSIC) y ha contado con la participación como panelistas del Prof. Jaume Pérez-Sánchez y de la Dra Carla Piazzon de los grupos de Nutrigenómica y de Patología de Peces del IATS, así como de la Dra Simona Rimoldi de la Universidad de Insubria.

El video con el seminario web está disponible aquí y en el canal de Youtube de la EAS.

Approval of PERTE Agroalimentario Project

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Government of Spain approves the “PERTE Agroalimentario” Project, which will generate hopefully up to 16,000 jobs, 5,400 in the Valencian Community.

The presentation ceremony of the PERTE Agro Valencian Project was held at the Palau de la Generalitat las March 1st, and it was attended by the President of the Generalitat and the Counselor of Agriculture, Rural Development, Climate Emergency and Ecological Transition.

The event was also attended by the Autonomous Secretary of Universities and Research, the General Director of Science and Research and the Valencian Coordinators of the R&D&I PROGRAMS IN MARINE SCIENCES AND AGRI-FOOD in the Framework of the Complementary Plans of the Recovery, Transformation and Resilience Plan.

GAIN project milestones in Aquafeed magazine

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The first 2022 issue of Aquafeed magazine is focused in the most remarkable advances in alternative ingredients for cultured fish, an includes a technical paper (pages 37-39) summarizing the  main outcomes of European GAIN Project on the use of eco-efficient aquafeeds using emergent ingrediente. It focuses on trials conducted in salmon, gilthead sea bream, rainbow trout and turbot. Giltheam sea bream results are derived of the participation of IATS Nutrigenomics and Fish Pathology groups in the Project. Aquafeed can be consulted here, and the technical paper is available here.

Gut microbiome as an important tool for the evaluation of cultured fish performance

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The study of the composition of the gilthead sea bream gut microbiome is becoming a relevant item in the “omics” technological offer of IATS Nutrigenomics and Fish Pathology groups. Along 2021, this tool has been of importance to assess the effects of probiotics, feed additives and alternative protein sources in aquaculture feeds. This has resulted in four Open Access publications (1, 2, 3, 4) in the framework of European (GAIN, AQUAEXCEL2020) and national (BreamAquaINTECH) projects. These notable results have been highlighted in a CSIC Valencia delegation press release.

 

Hypoxia and exercise performance in fish

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Researchers from the Nutrigroup of IATS-CSIC have targeted the mild-hypoxia driving force for metabolic and muscle transcriptional reprogramming of gilthead sea bream juveniles, focusing on blood metabolic landmarks and muscle transcriptomics before and after exhaustive exercise. These results after mild-hypoxia conditioning highlighted an increased contribution of lipid metabolism to whole energy supply to preserve the aerobic energy production, a better swimming performance regardless of changes in feed intake, as well as reduced protein turnover and improved anaerobic fitness with the restoration of normoxia.

The results of this work, funded by National (BreamAquaINTECH; RTI2018–094128-B-I00) and European AQUAEXCEL2020 (Aquaculture infrastructures for excellence in European fish research towards 2020; 652831) Projects, have been published in the special issue Transcriptome and Genome Analyses Applied to Aquaculture Research of the open-access Journal Biology (link).

For more information, visit CSIC Comunidad Valenciana delegation webpage.

Insect larvae meal as a sustainable feed ingredient in aquaculture

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A recent collaboration between IATS Nutrigenomics group and CIIMAR from Porto University (Portugal) has highlighted the feasibility of high replacement of fish meal in aquaculture diets with insect-derived meal.

The effect of fish meal replacement by defatted mealworm (Tenebrio molitor) larvae meal in European sea bass aquafeeds was tested, evidencing that it was possible to replace up to 80% of fish meal by insect meal without impairing growth performance, nutrients digestibility and fillet quality.

These results are of special importance for the growing need of environmentally sustainable alternatives to fish meal in aquaculture.

The work has been partly funded by a transnational access (TNA) of H2020 project AQUAEXCEL2020 at IATS infrastructures. It was selected as a relevant output in the Info Day of EATiP at Aquaculture Europe 2019 in Berlin, and it has been recently published in the Open Access journal Frontiers in Physiology.

La genética regula la microbiota de la dorada

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Investigadores de los grupos de Nutrigenómica y de Patología de peces del IATS han puesto de relieve cómo la selección genética de la dorada afecta a su microbiota intestinal y a la resistencia a enfermedades.

La composición de la microbiota de familias de doradas seleccionadas por su elevado crecimiento se adaptaba mejor y con menos variaciones a cambios en la dieta que la de doradas seleccionadas por crecimiento bajo. Esta adaptación confirió además una mayor resistencia a la infección de un parásito intestinal.

Estos resultados contribuyen a la mejora en la formulación de piensos sostenibles y los programas de selección génica en acuicultura.

Este trabajo ha sido financiado por el proyecto H2020 AquaIMPACT, el proyecto Nacional Bream-AquaINTECH y el PROGENSA III del programa JACUMAR, y se ha publicado en la revista de Acceso Abierto Microbiome.

Para más información, la delegación del CSIC en la Comunidad Valenciana ha redactado la siguiente nota de prensa.

Nutrigenomics and Pathology groups of IATS at the University of Las Palmas

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Researchers of Nutrigenomics and Fish Pathology groups of Institute of Aquaculture Torre de la Sal (IATS-CSIC) performed the second programmed sampling through the production cycle of sea bream to assess the differential effects of new diet formulations on the composition of gut microbiota of fish select for heritable growth.

The study is conducted within the framework of the AquaImpact H2020 EU project, using diets formulated by Skretting and fish from the PROGENSA selection program that are grow-out at the experimental facilities of Ecoaqua at the University of Las Palmas de Gran Canaria (ULPGC).

The expect impact are new insights in the regulation and plasticity of fish gut microbiota with local and systemic effects on a wide-range of biological processes.

All the operations are made following the contingency plan of COVID19.

Paula Simó-Mirabet doctorates

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Paula has presented by video-conference during the Covid confinement her PhD Thesis at the Autonomous University of Barcelona. The study entitled “MOLECULAR AND FUNCTIONAL ANALYSIS OF SIRTUINS AS METABOLIC MARKERS IN SEABREAM  was conducted at the Institute of Aquaculture Torre de la Sal (IATS) with Dr. Jaume Pérez-Sánchez (Nutrigenómics and Fish Endocrinology group) as  PhD Director.

Congratulations Paula!

Paula has actively participated in National (Mi2-Fish, Progensa III) and European projects (ARRAINA, PerformFish). Paula also collaborated with the IATS Pathology group, and she is co-author of more than 20 peer-reviewed articles. She has more than 10 contributions in International Congress of Fish Nutrition, Physiology and Endocrinology.

Good luck!

The success story of AQUAEXCEL2020 at 2019

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The Institute of Aquaculture has participated actively on AQUAEXCEL2020 at 2019.

Researchers of Fish Pathology and Nutrigenomics groups participated on two face to face training courses: Planning and conducting experimental infection trials in fish & Fish nutrition and feeding

Four out of seven Project catalogues presented in the Info Day of EATiP of EAS Berlin 2019 were from IATS-CSIC.

The eighth AQUAEXCEL2020 newsletter has been released. It includes the Transnational Access (TNA) Success Stories section, with a focus on the productive TNA project Disrupting effects of plasticizers in sea bream conducted at IATS-CSIC.

CSIC published four AQUAEXCEL2020 articles of high Scientific impact on 2019:

Perez-Sánchez et al.,2019. Frontiers in Marine Science 6: 760

Peixoto et al., 2019. Scientific Reports 9: 16134

Forner-Piquer et al., International Journal of Molecular Sciences 20:5003

Sitjà-Bobadilla et al., 2019. Parasites & Vectors 12:486.