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. 1984 Oct 11;12(19):7581-97.
doi: 10.1093/nar/12.19.7581.

Cloning and nucleotide sequences of the linear DNA killer plasmids from yeast

F Hishinuma, K Nakamura, K Hirai, R Nishizawa, N Gunge, T Maeda
Free PMC article

Cloning and nucleotide sequences of the linear DNA killer plasmids from yeast

F Hishinuma et al. Nucleic Acids Res. .
Free PMC article

Abstract

The linear DNA killer plasmids (pGKL1 and pGKL2) isolated from a Kluyveromyces lactis killer strain are also maintained and expressed its killer character in Saccharomyces cerevisiae. After these killer plasmid DNAs isolated from S. cerevisiae were treated with alkali, four terminal fragments from each plasmid DNAs were cloned separately. Using these and other cloned DNA fragments, the terminal nucleotide sequences of pGKL2 and the complete nucleotide sequence of pGKL1 were determined. The inverted terminal repetitions of 202 bp and 182 bp were found in pGKL1 and pGKL2, respectively. The pGKL1 sequence showed an extremely high A + T content of 73.2% and it contained five large open reading frames. The largest of these open reading frame was suggested to code for a membrane-bound precursor of glycoprotein subunit of the killer toxin.

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