. . . . . . . . . . . . "[Mutations introduced into the DHFR coding region by analogy with pyrimethamine-resistant malaria confer drug resistance to Toxoplasma, providing useful information on the structure of fused DHFR-TS enzymes and a powerful selectable marker for molecular genetic studies.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2016-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2016-05-13T12:51:52+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .