Takasuka T, et al. (1995) Cell wall synthesis specific cytocidal effect of Hansenula mrakii toxin-1 on Saccharomyces cerevisiae. Cell Mol Biol Res 41(6):575-81
Abstract: HM-1 toxin produced by Hansenula mrakii kills sensitive Saccharomyces cerevisiae. We found that the budding cells and the cells that responded to mating factor were sensitive to HM-1 toxin. These findings indicate that the target sites of HM-1 toxin are developing buds and conjugating tubes. The in vitro activity of beta-1,3-glucan synthase solubilized and partially purified from S. cerevisiae membranes was inhibited by HM-1 toxin at a concentration (around 50 nM, 0.5 micrograms/ml) that coincided well with its minimum inhibitory concentration for the growth of yeast cells. These data indicate that the HM-1 toxin perturbs the synthesis of yeast cell walls by inhibiting the glucan synthesis occurring at a budding site or a conjugating tube, which results in cell lysis.
|Status: Published||Type: Journal Article||PubMed ID: 8777437|
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