Whole genome sequencing reveals genetic diversity and heatstress adaptation in Nigerian indigenous chickens

Poultry is a crucial sector for the livelihoods and food security of millions of people in Nigeria. Here we present the first large scale whole-genome sequencing analysis on Nigerian indigenous chickens from different agro-climatic conditions, investigating their genetic diversity and adaptation to...

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Detalles Bibliográficos
Autores principales: Gheyas, Almas A., Rachman, M., Bamidele, O., Dessie, Tadelle, Smith, J., Hanotte, Olivier H.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Wageningen University & Research 2022
Materias:
Acceso en línea:https://hdl.handle.net/10568/128740
Descripción
Sumario:Poultry is a crucial sector for the livelihoods and food security of millions of people in Nigeria. Here we present the first large scale whole-genome sequencing analysis on Nigerian indigenous chickens from different agro-climatic conditions, investigating their genetic diversity and adaptation to tropical hotclimates. We observe a large genetic diversity but low levels of population differentiation. Selection signature analyses were performed to identify candidate genes in relation to heat-stress adaptation including those specific to extreme hot-humid or hot-arid conditions. These results have important implications for the conservation of genetic diversity and breeding improvement of chickens for thermo-tolerance.