Chemical Synthesis of a Primer and Its Use in the Sequence Analysis of the Lysozyme Gene of Bacteriophage T4*

AUTOR(ES)

Padmanabhan, R.

RESUMO

We have developed a general approach for determining the nucleotide sequence of a gene, with the aid of a deoxyribonucleotide primer of defined sequence. The selection of the primer sequence was based on a short segment of mRNA sequence of T4 phage lysozyme. A tetradecadeoxyribonucleotide primer was chemically synthesized and its sequence verified by sequence analysis. This primer was found to bind to the single-stranded region of the exonuclease III-treated T4 DNA, and specific nucleotides were incorporated to its 3′ end. The result indicated that this primer was bound to the expected location on the T4 DNA. Therefore, long sequences of the T4 lysozyme gene can now be determined from this specific starting point.

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