No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Base Sequence
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Cell Line
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DNA, Recombinant
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Deoxyribonucleotides / analysis
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Drug Resistance
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Electrophoresis, Agar Gel
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Escherichia coli / genetics*
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Genetic Code
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Humans
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Methotrexate / pharmacology
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RNA, Messenger*
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Tetrahydrofolate Dehydrogenase / biosynthesis*
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Transformation, Bacterial
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Trimethoprim / pharmacology
Substances
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DNA, Recombinant
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Deoxyribonucleotides
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RNA, Messenger
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Trimethoprim
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Tetrahydrofolate Dehydrogenase
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Methotrexate