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Articles 1 - 2 of 2
Full-Text Articles in Medical Genetics
Molecular Cloning And Sequence Analysis Of The Plasmodium Falciparum Dihydrofolate Reductase-Thymidylate Synthase Gene., David J. Bzik, Wu-Bo Li, Toshihiro Horii, Joseph Inselburg
Molecular Cloning And Sequence Analysis Of The Plasmodium Falciparum Dihydrofolate Reductase-Thymidylate Synthase Gene., David J. Bzik, Wu-Bo Li, Toshihiro Horii, Joseph Inselburg
Dartmouth Scholarship
Genomic DNA clones that coded for the bifunctional dihydrofolate reductase (DHFR) and thymidylate synthase (TS) (DHFR-TS) activities from a pyrimethamine-sensitive strain of Plasmodium falciparum were isolated and sequenced. The deduced DHFR-TS protein contained 608 amino acids (71,682 Da). The coding region for DHFR-TS contained no intervening sequences and had a high A + T content (75%). The DHFR domain, in the amino-terminal portion of the protein, was joined by a 94-amino acid junction sequence to the TS domain in the carboxyl-terminal portion of the protein. The TS domain was more conserved than the DHFR domain and both P. falciparum domains …
Detection Of Human Dna Polymorphisms With A Simplified Denaturing Gradient Gel Electrophoresis Technique., Walter W. Noll, Mary Collins
Detection Of Human Dna Polymorphisms With A Simplified Denaturing Gradient Gel Electrophoresis Technique., Walter W. Noll, Mary Collins
Dartmouth Scholarship
Single base pair differences between otherwise identical DNA molecules can result in altered melting behavior detectable by denaturing gradient gel electrophoresis. We have developed a simplified procedure for using denaturing gradient gel electrophoresis to detect base pair changes in genomic DNA. Genomic DNA is digested with restriction enzymes and hybridized in solution to labeled single-stranded probe DNA. The excess probe is then hybridized to complementary phage M13 template DNA, and the reaction mixture is electrophoresed on a denaturing gradient gel. Only the genomic DNA probe hybrids migrate into the gel. Differences in hybrid mobility on the gel indicate base pair …