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Genetika. 1987 Jul;23(7):1141-8.

[Cloning of the ADE2 gene of Saccharomyces cerevisiae and localization of the ARS-sequence].

[Article in Russian]


Mutational changes in ADE2 result in the accumulation of red pigment in cells, which serves as an indicator for the selection of mutants. This easily detectable phenotype of red-coloured colonies can account for the wide use of ade2 mutants in yeast genetics. ADE2 gene was cloned in a shuttle vector by complementing the ade2 mutation in the yeast. It was shown that the 2.2 kbp HindIII fragment of yeast DNA contains structural sequences of the ADE2 gene as well as the ARS sequence. Deletion analysis of the 5' end of the ADE2 gene showed the ARS sequence to be situated at the distal end of the 1 kbp HindIII fragment. Removal of the ARS sequence does not influence ADE2 gene complementation ability. Transformants containing the ADE2 gene comprised in their plasmids form white colonies. Loss of the plasmids results in colour change of colonies.

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