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. 1967 Nov;94(5):1509–1515. doi: 10.1128/jb.94.5.1509-1515.1967

Effect of Some Proteins on the Yeast Cell Membrane

D A Yphantis a,1, J L Dainko a, F Schlenk a
PMCID: PMC276856  PMID: 4294420

Abstract

Yeast cells, Candida utilis, in water suspension and in the absence of electrolytes were found to be very sensitive to several proteins of moderate size, including ribonuclease, protamine, lysozyme, bovine serum albumin, cytochrome c, and myoglobin. Viability ceases rapidly, and ultraviolet-absorbing compounds (260 mμ) and the amino acid pool are released into the medium. The ultraviolet-absorbing material appears to be the nucleotide and coenzyme fraction usually extracted by 0.2 n perchloric acid at low temperature. The ribonucleic acid fraction remains in the cell ghosts and can be released by ribonuclease. The enzymatic properties of some of these proteins have no relation to their damaging effect on the cell membrane. Poly-l-lysine shows the same activity.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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