ArticleCommunications biology2026
Disruption of the spinal cord-gut axis alters microbial dynamics and carbohydrate cross-feeding in the gut.
Article in Communications biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
8 authors.
Funding
Abstract
Spinal cord-gut communication regulates gut bacteria, yet the underlying mechanisms remain poorly understood. Previous studies relied primarily on gene markers with limited functional analysis or genome-resolved snapshots from small cohorts. Here, we assessed microbiome dynamics via genome-resolved metagenomics on 333 samples from male and female C57BL/6 mice collected before and up to six months after surgical disruption of the spinal cord-gut axis. This resulted in 6,635 microbial draft genomes as a foundation for a new "Mouse B6 Gut Catalog" that significantly expands species and strain representation for this widely used laboratory mouse strain. Sampling revealed that disrupted spinal cord-gut signaling causes persistent, lesion-severity-, sex-, and time-specific shifts in microbial community composition, with consistent depletion of Lactobacillus johnsonii. Feeding purified L. johnsonii to spinal cord-injured mice prevented metabolic defects and systemic inflammation caused by disruption of the spinal cord-gut axis. Analyses using genome-resolved and community-based metabolic profiling indicated altered carbohydrate sharing and utilization of gut microbes, potentially depleting L. johnsonii, providing a genome-inferred mechanism for future hypothesis testing. This study improves murine microbiome catalogs, illustrates how metagenome-informed microbial interventions can provide a mechanistic understanding to improve host health, and underscores the vital role of a healthy spinal cord in regulating gut ecosystem function.
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