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Research article2021Peer reviewedOpen access

Genomic variants from RNA-seq for goats resistant or susceptible to gastrointestinal nematode infection

Aboshady, Hadeer M.; Mandonnet, Nathalie; Johansson, Anna M.; Jonas, Elisabeth; Bambou, Jean-Christophe


Gastrointestinal nematodes (GIN) are an important constraint in small ruminant production. Genetic selection for resistant animals is a potential sustainable control strategy. Advances in molecular genetics have led to the identification of several molecular genetic markers associated with genes affecting economic relevant traits. In this study, the variants in the genome of Creole goats resistant or susceptible to GIN were discovered from RNA-sequencing. We identified SNPs, insertions and deletions that distinguish the two genotypes, resistant and susceptible and we characterized these variants through functional analysis. The T cell receptor signalling pathway was one of the top significant pathways that distinguish the resistant from the susceptible genotype with 78% of the genes involved in this pathway showing genomic variants. These genomic variants are expected to provide useful resources especially for molecular breeding for GIN resistance in goats.

Published in

2021, Volume: 16, number: 3, article number: e0248405