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Folate metabolic pathway. Genes included in the analysis are represented in grey circles. Abbreviations: betaine-homocysteine S-methyltransferase (BHMT), dihydrofolate reductase (DHFR), methylenetetrahydrofolate reductase (MTHFR), 5-methyltetrahydrofolate-homocysteine methyltransferase (MTR), 5-methyltetrahydrofolate-homocysteine methyltransferase reductase (MTRR), and thymidylate synthetase (TYMS).
