ArticleScience China. Life sciences2021
Modes of genetic adaptations underlying functional innovations in the rumen.
Article in Science China. Life sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 40 citations in OpenAlex.
- Integrated mRNA-miRNA Transcriptome Analysis Reveals the Molecular Mechanism of Tibetan Sheep Rumen Epithelium Adaptation to High Altitude.Animals : an open access journal from MDPI · 2026Article
- Single-Cell Transcriptomic Atlases of Camels and Cattle Unravel Molecular Evolution of Digestive and Metabolic Systems.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Review
- Mechanisms and Applications of Gastrointestinal Microbiota-Metabolite Interactions in Ruminants: A Review.Microorganisms · 2025Review
- Study on the Plateau Adaptive Synergistic Mechanism of Rumen Microbiome-Metabolome-Resistome in Tibetan Sheep.Microorganisms · 2025Article
- High-quality sika deer omics data and integrative analysis reveal genic and cellular regulation of antler regeneration.Genome research · 2025Article
- Adaptive survival strategies of rumen microbiota with solid diet deficiency in early life cause epithelial mitochondrial dysfunction.The ISME journal · 2025Article
- Environmental Driving of Adaptation Mechanism on Rumen Microorganisms of Sheep Based on Metagenomics and Metabolomics Data Analysis.International journal of molecular sciences · 2024Article
- The early life immune dynamics and cellular drivers at single-cell resolution in lamb forestomachs and abomasum.Journal of animal science and biotechnology · 2023Article
- Single-cell transcriptome and metagenome profiling reveals the genetic basis of rumen functions and convergent developmental patterns in ruminants.Genome research · 2023Article
- CNEReg Interprets Ruminant-specific Conserved Non-coding Elements by Developmental Gene Regulatory Network.Genomics, proteomics & bioinformatics · 2023Article
- Review
- The Colonization of Rumen Microbiota and Intervention in Pre-Weaned Ruminants.Animals : an open access journal from MDPI · 2023Review
- Transcriptome-Based Evaluation of Optimal Reference Genes for Quantitative Real-Time PCR in Yak Stomach throughout the Growth Cycle.Animals : an open access journal from MDPI · 2023Article
- Rumen Epithelial Development- and Metabolism-Related Genes Regulate Their Micromorphology and VFAs Mediating Plateau Adaptability at Different Ages in Tibetan Sheep.International journal of molecular sciences · 2022Article
- Genomic insights into the phylogeny and biomass-degrading enzymes of rumen ciliates.The ISME journal · 2022Article
- Response of Ruminal Microbiota-Host Gene Interaction to High-Altitude Environments in Tibetan Sheep.International journal of molecular sciences · 2022Article
- Ruminal Bacterial Community Successions in Response to Monensin Supplementation in Goats.Animals : an open access journal from MDPI · 2022Article
- Cross-tissue single-cell transcriptomic landscape reveals the key cell subtypes and their potential roles in the nutrient absorption and metabolism in dairy cattle.Journal of advanced research · 2022Article
- Investigation of fiber utilization in the rumen of dairy cows based on metagenome-assembled genomes and single-cell RNA sequencing.Microbiome · 2022Article
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Authors and funding
40 authors at 15 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The rumen is the hallmark organ of ruminants and hosts a diverse ecosystem of microorganisms that facilitates efficient digestion of plant fibers. We analyzed 897 transcriptomes from three Cetartiodactyla lineages: ruminants, camels and cetaceans, as well as data from ruminant comparative genomics and functional assays to explore the genetic basis of rumen functional innovations. We identified genes with relatively high expression in the rumen, of which many appeared to be recruited from other tissues. These genes show functional enrichment in ketone body metabolism, regulation of microbial community, and epithelium absorption, which are the most prominent biological processes involved in rumen innovations. Several modes of genetic change underlying rumen functional innovations were uncovered, including coding mutations, genes newly evolved, and changes of regulatory elements. We validated that the key ketogenesis rate-limiting gene (HMGCS2) with five ruminant-specific mutations was under positive selection and exhibits higher synthesis activity than those of other mammals. Two newly evolved genes (LYZ1 and DEFB1) are resistant to Gram-positive bacteria and thereby may regulate microbial community equilibrium. Furthermore, we confirmed that the changes of regulatory elements accounted for the majority of rumen gene recruitment. These results greatly improve our understanding of rumen evolution and organ evo-devo in general.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.