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Table 1 Examples of known associations between components of the gastrointestinal microbiome and xenobiotic compounds*

From: Potential role of gastrointestinal microbiota composition in prostate cancer risk

Xenobiotics

Xenobiotic Function

Metabolizing Bacteria

Effect

Reference

Selenium

Antioxidant

Unknown

Partial sequestration, limiting availability to host

[54]

2-Amino-3-methylimidazo [4,5-f]quinoline (IQ)

Carcinogenic heterocyclic amine, food-borne

Bacteroides, Clostridium, Escherichia

Degraded into 7-hydroxy-IQ (direct mutagen) by β-glucuronidase

[55][56]

Diadzein

Soy phytoestrogen

Unknown

Metabolized into equol or non-estrogenic metabolites

[57]

Methylmercuric chloride

Mercuric toxicity

Unknown

Reduction of mercuric tissue content

[58]

  1. *Examples identified through PharmacoMicrobiomics: The Drug-Microbiome Portal (http://pharmacomicrobiomics.com/).