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Abstract: Hereditary folate malabsorption (OMIM 229050) is a rare autosomal recessive disorder caused by loss-of-function mutations in the proton-coupled folate transporter gene (pcft/SLC46A1) resulting in impaired folate transport across the intestine and into the central nervous system. We report a novel, homozygous, deletion mutation in a child of Nicaraguan descent in exon 2 (c.558–588 del, ss778190447) at amino acid position I188 resulting in a frameshift with a premature stop. [Copyright &y& Elsevier]