Abstract
The uptake of 14C-DDT in cultured male germ cells derived from the cabbage armyworm, Mamestra brassicae L. was rapid for 3hr after treatment, but 14C-parathion was virtually not taken up by the cells. Approximately 40% of DDT taken up by the germ cells was removed from the cells by treatment with low concentrations (0.0001-0.01%) of the non-ionic detergent, Triton X-100. Only a small fraction of DDT taken up by the cells remained in the cytoskeleton structure resistant to 1% Triton X-100. Perhaps the conclusion to be drawn from the data presented in this paper is that DDT binds to outer membrane components of the germ cells.