Mutagen sensitivity of kynureninase mutants of the nematode Caenorhabditis elegans.
Mutants in the gene flu-2 of the free-living nematode Caenorhabditis elegans are characterised by an altered autofluorescence of the intestine cells, from the light blue of wild-type to a dull green colour. The properties of flu-2 mutants have been investigated. L-kynureninase activity has been detected in wild-type C. elegans. The flu-2 mutants have markedly reduced kynureninase activity, as predicted earlier from chromatographic analysis of tryptophan catabolites of wild-type and mutant worms. Associated with this enzymatic block, all flu-2 mutants have enhanced sensitivity to ethyl methane sulfonate (EMS) and gamma-rays.[1]References
- Mutagen sensitivity of kynureninase mutants of the nematode Caenorhabditis elegans. Bhat, S.G., Babu, P. Mol. Gen. Genet. (1980) [Pubmed]
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