Genome-based approaches for improvement of aquaculture in two marine sturgeon species: Atlantic sturgeon (Acipenser oxyrinchus) and Beluga (Huso huso) – STURGEoNOMICS

Résumé de soumission

This project will use whole genome-based approaches for the improvement of aquaculture in two marine sturgeon species: Atlantic sturgeon (Acipenser oxyrinchus) and Beluga (Huso huso), characterized by large size, fast growth and relatively compact genomes. Our consortium involves research experience in both aquaculture and genomics from Germany, France and Romania. Based on advanced preliminary work, our first common objective (work package, WP1: France/Germany) is to generate high quality genomes for H. huso and A. oxyrinchus. Secondly, we (WP2: Germany/France) aim at characterizing the genetic sex determination, using genomics and gonadal transcriptomics to prepare future molecular biotechnological tools for commercial aquaculture (female-biased breeding, meat, caviar) and species conservation. Our third aim (WP3: Germany/Romania) is population genomics as a basis for improvement of aquaculture breeding and re-stocking, specifically elucidating the genomic substructure of native Atlantic sturgeons and re-stocking populations (Germany) and of the remaining Beluga stocks from the Danube (Romania). This will avoid inbreeding in aquaculture and improve genetic make-up and broodstock management for ongoing restoration programs of endangered sturgeons and for sustainable fishery. As fourth aim (WP4: Germany/Romania) whole genome information (positively selected genes) and transcriptome (RNAseq) analyses will serve to experimentally extract genomics-derived candidate genes related to target traits (growth, disease resistance, sex determination) in captive-bred offspring in order to improve management strategies and breeding for commercial and conservation-related aquaculture.

Coordinateur du projet

Monsieur Yann GUIGUEN (Institut National de la Recherche Agronomique)

L'auteur de ce résumé est le coordinateur du projet, qui est responsable du contenu de ce résumé. L'ANR décline par conséquent toute responsabilité quant à son contenu.


UWB University of Würzburg - Biocenter - Physiological Chemistry
DDNI Danube Delta National Institute
IGB Leibniz-Institute of Freshwater Ecology and Inland Fisheries
INRA Institut National de la Recherche Agronomique

Aide de l'ANR 251 640 euros
Début et durée du projet scientifique : août 2017 - 36 Mois

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