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O Antigens

The lipopolysaccharide-protein somatic antigens, usually from gram-negative bacteria, important in the serological classification of enteric bacilli. The O-specific chains determine the specificity of the O antigens of a given serotype. O antigens are the immunodominant part of the lipopolysaccharide molecule in the intact bacterial cell. (From Singleton and Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)

300+ PubMed studies analyzed · Evidence Score: 43.5

Research Domains

O Antigens has been studied across 5 research domains including 🛡️ Immunity, 🔥 Metabolic, ⚡ Energy & Fatigue, 🦠 Gut & Microbiome, 😴 Sleep. The primary research focus is 🛡️ Immunity with 12% of studies addressing this area.

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This evidence profile for O Antigens is generated deterministically from 300 PubMed-indexed studies. All data is corpus-verified with Merkle proofs. BiohacksAI does not provide medical advice. Always consult a healthcare professional before starting any supplement regimen.

Data source: PubMed/MEDLINE (NLM). Corpus version: current. Patent pending (EVE-PAT-2026-001). © 2026 Organiq Sweden AB.