1887

Abstract

The effect of polycationic polypeptides (polylysine, polyarginine and polyhistidine) on the invasion of mammalian cells and plant protoplasts by was studied. In JM cells, a human lymphoblastoid cell line with T cell characteristics, all polycationic polypeptides used increased the invasion rate in a concentration-dependent manner. This effect and the morphological changes revealed by electron microscopy resembled the action of the penetration-enhancing factor previously described by E. Lycke and co-workers. Plant protoplasts of , which are resistant to invasion, showed the same morphological changes in the presence of polycationic polypeptides as observed for JM cells, but were not invaded.

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1984-04-01
2021-10-26
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