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Biomedical subjects

W Salser

Publications and source records attributed to W Salser.

53 records · Page 3Linked to original sources

Nucleotide sequence analysis of RNA synthesized from rabbit globin complementary DNA.

Rabbit globin complementary DNA made with RNA-dependent DNA polymerase (reverse transcriptase) was used as template for in vitro synthesis of (32)P-labeled RNA. The sequences of the nucleotides in most of the fragments resulting from combined ribonuclease T(1) and alkaline phosphatase digestion have been determined. Several fragments were long enough to fit uniquely with the alpha or beta globin amino-acid sequences. These data demonstrate that the cDNA was copied from globin mRNA and contained no detectable contaminants.

Alkaline Phosphatase↗

Nucleotide sequence of HS-beta satellite DNA from kangaroo rat Dipodomys ordii.

The sequence of the highly repetitive satellite HS-beta DNA fraction from kangaroo rat Dipodomys ordii was determined independently by RNA and DNA sequencing techniques. A basic iterated sequence of 10 nucleotides with several mutational variations was found. Base-composition data are consistent with the proposed sequence and revealed a high content of 5-methylcytosine. DNA and RNA sequencing techniques used gave identical results, showing that the fidelity of synthesis of riboguanidine-substituted DNA under our conditions is adequate for nucleotide sequence studies.

Adenosine Triphosphate↗

Nucleotide sequencing of DNA: preliminary characterization of the products of specific cleavages at guanine, cytosine, or adenine residues (bacteriophage M13-ribosubstitution-DNA polymerase I-electrophoresis-two-dimensional fingerprinting).

DNA synthesized in vitro from a phage M13 template has been cleaved at either guanine, adenine, or cytosine residues by ribosubstitution techniques. Fingerprints of the fragments obtained suggest that DNA sequencing will be possible with this technique.

Adenine↗