数字农科院2.0

Altitude-dependent agro-ecologies impact the microbiome diversity of scavenging indigenous chicken in Ethiopia

文献类型： 外文期刊

作者： Laura Glendinning;Xinzheng Jia;Adebabay Kebede;Samuel O. Oyola;Jong Eun Park;Woncheoul Park;Abdulwahab Assiri;Jacob Bak Holm;Karsten Kristiansen;Jianlin Han;Olivier Hanotte

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关键词： Agro-ecology;Chicken;Ethiopia;Metagenomics;Microbiota;Poultry

期刊名称： Microbiome

ISSN： 2049-2618

年卷期： 2024 年 12 卷 1 期

页码：

收录情况： SCIE（2024版）

摘要： BACKGROUND: Scavenging indigenous village chickens play a vital role in sub-Saharan Africa, sustaining the livelihood of millions of farmers. These chickens are exposed to vastly different environments and feeds compared to commercial chickens. In this study, we analysed the caecal microbiota of 243 Ethiopian village chickens living in different altitude-dependent agro-ecologies. RESULTS: Differences in bacterial diversity were significantly correlated with differences in specific climate factors, topsoil characteristics, and supplemental diets provided by farmers. Microbiota clustered into three enterotypes, with one particularly enriched at high altitudes. We assembled 9977 taxonomically and functionally diverse metagenome-assembled genomes. The vast majority of these were not found in a dataset of previously published chicken microbes or in the Genome Taxonomy Database. CONCLUSIONS: The wide functional and taxonomic diversity of these microbes highlights their importance in the local adaptation of indigenous poultry, and the significant impacts of environmental factors on the microbiota argue for further discoveries in other agro-ecologies. Video Abstract.

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