Application of nutrigenomics and metagenomics in livestock
DOI:
https://doi.org/10.59317/r5x8sz63Keywords:
Metagenomics, Nutrigenomics, probiotic, gut microbesAbstract
Nutrigenomics tools, such as transcriptomics referring to RNA, proteomics referring to protein molecules and metabolomics referring to metabolites, can be used to effectively explore the events at molecular level occurring in a genome that receives signals from various nutrients and responds to them through different metabolic processes in the living organism. Nutrigenomics has the potential to identify personalized diets, elucidate diet-related diseases, pinpoint genes associated with diet-gene interactions, and detect gene polymorphisms influenced by significant nutritional and environmental factors affecting genetic expression. Limited information is available on the dietary impact on gene expression associated with reproductive and productive traits in livestock. However, this might be feasible to initiate an understanding of the significance of the connection between specific nutrients or dietary ingredients and the gene expression regulation. Utilizing nutrigenomic approaches will augment researchers’ capacities to uphold animal health, optimize animal performance, and enhance the milk quality and meat quality. Despite being rapidly advancing science, nutrigenomics is still in its early phase.
Metagenomics is emerging as a robust and efficient approach for the metagenome sequencing derived from environmental samples. Investigating the gut microflora of various livestock and poultry species holds the potential to identify probiotic communities possessing both immunity-boosting properties and growth-promoting. Analyzing the diversity of gut microbes’ aids in identifying strains that contribute to animals’ adaptability to their native conditions. This approach is optimal for unveiling the phylogenetic and evolutionary connections between contemporary species and the ancestors of livestock and poultry
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