PMID: 1682367Aug 1, 1991Paper

Phage typing and phage induction in carrier and invasive Staphylococcus epidermidis isolates

The Journal of Hospital Infection
C M FerreirósP Suárez


Fifty-nine Staphylococcus epidermidis isolates (30 carrier and 29 invasive) were phage typed using the phage set developed by Pulverer. Poor results were obtained as only 24% of the invasive and 27% of the carrier isolates were typable, with no differences between these percentages (P greater than 0.05). Isolation of lysogenic phages present in the isolates was attempted by three different methods, induction being satisfactory only by overnight incubation with 0.1 mg l-1 mitomycin C and detection with 2,3,5-triphenyl-tetrazolium chloride. All isolates produced phages, and the lytic activity of these phages was expressed on more than 50% of the isolates in all cases (except one phage which lysed 10% of the carrier isolates and 13.8% of the invasive isolates). The percentages of isolates lysed in the two groups (carrier and invasive) were statistically different (P less than 0.05) only for phages derived from four isolates.


Nov 1, 1975·The Journal of Infectious Diseases·G PulvererA Klein
May 1, 1976·Journal of Clinical Microbiology·H W Talbot, J T Parisi
Jun 1, 1977·Journal of Clinical Microbiology·P B HeczkoA Klein
Mar 11, 1975·Journal of Clinical Microbiology·B M MalesJ T Parisi
Nov 1, 1988·Diagnostic Microbiology and Infectious Disease·J T Parisi, L Meng
Feb 1, 1972·Journal of Medical Microbiology·J VerhoefK C Winkler
Jun 1, 1973·The Journal of Hygiene·B A DeanJ Corse

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