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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Isolation of a Drosophila gene encoding glutathione S-transferase.

We have isolated a Drosophila gene, DmGST-2, that encodes glutathione S-transferase, a homo- or heterodimeric enzyme thought to be involved in detoxification of xenobiotics, including known carcinogens. The encoded protein has a primary sequence that is more similar to mammalian placental and nematode GSTs than that of a previously described Drosophila GST gene, herein referred to as DmGST-1. We provide a physical map of the gene and show that it specifies at least two mRNAs, measuring 1.9 and 1.6 kb, which differ only in the lengths of their 3' untranslated regions. Both of the mRNAs are present during all developmental stages. In situ hybridization of the DmGST-2 gene to larval polytene chromosomes places it within the 53F subdivision of chromosome 2, and Southern blotting to chromosomal DNA indicates that the gene has no close relatives within the Drosophila genome. Our results make possible molecular genetic approaches for further elaborating the function of glutathione S-transferases in insect development and physiology, in the metabolism of plant toxins, and in conferring insecticide resistance.[1]


  1. Isolation of a Drosophila gene encoding glutathione S-transferase. Beall, C., Fyrberg, C., Song, S., Fyrberg, E. Biochem. Genet. (1992) [Pubmed]
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