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. 1970 Sep;6(3):333–339. doi: 10.1128/jvi.6.3.333-339.1970

Increased Fragility of Escherichia coli After Infection with Bacteriophage M13

A Roy 1, S Mitra 1
PMCID: PMC376127  PMID: 4921123

Abstract

Male strains of Escherichia coli infected with filamentous phage M13 released the progeny phage particles from intact cells. At the same time, the cells continued to grow and multiply at a slightly lower rate than the uninfected cells. Concomitant with the phage release, lipopolysaccharide from the cell wall of the infected cells was also released. The buoyant density of E. coli HfrC in diaginol, 1.25 g/cc, did not change as a result of infection. Detergents like sodium dodecyl sulfate and Sarkosyl specifically lysed the infected cells. The infected cells showed enhanced fragility as indicated by inactivation by various stresses, namely heat, osmotic shock, and freezing and thawing. It is concluded that the infection with M13 causes certain alterations in the surface structure of E. coli, thus making the cells more fragile.

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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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