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Circular plot with links representing the prevalence of vitamin metabolism among different phyla of human gut microbiota. Each phylum is colored and each type of vitamin phenotype is shown in grey. The vitamin types are abbreviated as: biotin (BIO), cobalamin (COB), folate (FOL), menaquinone (MEN), niacin (NIA), pantothenate (PAN), pyridoxine (PYR), riboflavin (RIB), thiamine (THI). Suffixes that end with -B and -T are related to biosynthetic and transporter related genes respectively
