Regulation of Goat Milk Protein Synthesis: Genetic Architecture, Signalling Pathways, and Omics Insights

Area of Science:

• Animal Science
• Molecular Biology
• Genetics

Background:

• Goat milk proteins are gaining interest for their nutritional benefits, digestibility, and low allergenicity.
• The molecular regulation of milk protein synthesis in goats is less understood compared to other dairy species.

Purpose of the Study:

• To review and integrate current knowledge on goat milk protein composition, genetic polymorphism, and molecular regulation.
• To examine the role of genetic variations and signaling pathways in milk protein synthesis.
• To identify knowledge gaps and research opportunities in goat milk protein synthesis.

Main Methods:

• Review of existing literature integrating genomic, transcriptomic, proteomic, and epigenetic studies.
• Analysis of genetic polymorphisms and haplotypes affecting milk yield and composition.
• Examination of key signaling pathways like JAK-STAT and mTOR.

Main Results:

• Polymorphisms and haplotypes influence breed-specific variations in milk production and properties.
• JAK-STAT and mTOR signaling pathways are crucial for integrating hormonal and nutritional signals.
• Genomic architecture and stage-specific regulation of milk protein synthesis are outlined.

Conclusions:

• Integrating multi-omics data reveals candidate regulatory variants and pathways for milk protein synthesis.
• This knowledge provides a framework for functional validation and precision breeding in goats.
• Opportunities exist for developing high-value goat dairy products through enhanced understanding of milk protein regulation.