doi: 10.1126/science.404711.
Genetic rescue of a lethal "null" activity allele of 6-phosphogluconate dehydrogenase in Drosophila melanogaster
- PMID: 404711
- DOI: 10.1126/science.404711
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Genetic rescue of a lethal "null" activity allele of 6-phosphogluconate dehydrogenase in Drosophila melanogaster
Science.
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Abstract
While a null activity mutant allele of the structural gene for 6-phosphogluconate dehydrogenase in Drosophila melanogaster is lethal, a similar mutation for glucose-6-phosphate dehydrogenase is not. Double mutant combinations lacking both enzyme activities, obtained either by recombination or by mutagen treatment of a chromosome bearing the lethal allele, result in a restoration of viability. The indispensability of the pentose phosphate shunt in Drosophila appears to depend upon the specific position of the block within the pathway.
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