ArticleGenome biology2025
Multi-omics insights into microbiome-rumen epithelium interaction mechanisms underlying subacute rumen acidosis tolerance in dairy goats.
Article in Genome biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Subacute ruminal acidosis in high-producing dairy cows: an integrated diet-microbiota-epithelium-host framework for diagnosis and nutritional management.Journal of animal science and biotechnology · 2026Review
- Article
- Balancing High Yield and Metabolic Health in Dairy Ruminants: The Central Hub Role of the Rumen Microbiota.Veterinary sciences · 2026Review
- Rumen Mycobiome Thiamine Metabolism Contributes to Subacute Rumen Acidosis Tolerance in Goats Through Enhancing Epithelial Cell Proliferation via IGFBP2/IGF1 Axis Activation.Exploration (Beijing, China) · 2026Article
- Revisiting starch degradability in dairy ruminants: from feed processing to gut microbiota and metabolic regulation.Journal of animal science and biotechnology · 2026Review
- The Effects of Added Cellulases and Pectinases on Ruminal Fermentation Parameters and Bacterial Communities in Goats Supplemented with Macadamia Integrifolia Husks: An In Vitro Study.Animals : an open access journal from MDPI · 2025Article
- Multi-omics insights into microbiome-rumen epithelium interaction mechanisms underlying subacute rumen acidosis tolerance in dairy goats.Genome biology · 2025Article
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Authors and funding
11 authors.
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Abstract
backgroundTo address rising demand for dairy products, dairy goats are often fed high-concentrate diets, which lead to subacute rumen acidosis (SARA). The mechanisms behind individual variation in SARA tolerance are not well understood. This study aims to elucidate roles of rumen microbiome-host interactions in SARA-susceptibility and tolerance.
resultsGoats susceptible or tolerant to SARA were selected by feeding diets with different levels of rumen degradable starch. SARA-susceptible goats present prolonged periods of rumen pH below 5.8 and volatile fatty acids (VFAs) accumulation. Metagenomic analysis reveals a decrease in cellulose- and hemicellulose-utilizing bacteria and enzymes, along with increased lysozymes, suggesting disrupted rumen homeostasis. Transcriptomic and single-nucleus transcriptome analyses reveal upregulated Th17 cells, IL-17 signalling, and inflammatory pathways in SARA-susceptible goats. In contrast, SARA-tolerant goats maintain stable pH levels and enhance VFAs absorption. Bifidobacterium adolescentis and other beneficial bacteria are enriched in the rumen of SARA-tolerant goats. These microbes are positively correlated with 3-methyl pyruvic acid, a key metabolite involved in branched-chain amino acid synthesis and epithelial cell proliferation. Both microbiome transplantation and B. adolescentis direct feeding experiments confirm the protective effects of SARA-tolerant microbiota including B. adolescentis, promoting rumen epithelial VFAs absorption and reducing ruminal inflammation.
conclusionsThis study highlights the importance of Th17-mediated immune responses in ruminal inflammation and the role of B. adolescentis in regulating rumen epithelial VFAs absorption. Modulating VFAs absorption in the rumen epithelium represents a promising strategy for improving animal health and enhancing rumen fermentation efficiency.
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