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. 1977 Feb;15(2):556-9.
doi: 10.1128/iai.15.2.556-559.1977.

Killing of Escherichia coli by a granulocyte fraction occurs without recognizable ultrastructural alterations in the bacterial envelope, as studied by freeze-fracture electron microscopy

A J Van Houte, P Elsbach, A Verkleij, J Weiss

Killing of Escherichia coli by a granulocyte fraction occurs without recognizable ultrastructural alterations in the bacterial envelope, as studied by freeze-fracture electron microscopy

A J Van Houte et al. Infect Immun. 1977 Feb.

Abstract

Concentrations of a highly purified rabbit polymorphonuclear leukocyte fraction that rapidly caused irreversible loss of viability of Escherichia coli (S15) but reversible envelope alterations produced no recognizable morphological changes as studied by freeze-fracture electron microscopy. These findings support previous evidence that the killing of certain gram-negative microorganisms by granulocyte fractions occurs with minimal structural or functional disorganization of cytoplasmic and outer membranes.

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