1 An inoculum of Staphylococcus aureus is spread over the surface of agar medium. Inoculum of Staphylococcus aureus strain to be typed Agar medium- Petri dish- 2 Different bacteriophage suspensions are deposited in a fixed pattern. 3 After incubation, different patterns of lysis are seen with different strains of S. aureus. Dye marker to orient plate Lysis FIGURE 10.12 Phage Typing

Body Structures & Functions Updated
13th Edition
ISBN:9780357191606
Author:Scott
Publisher:Scott
Chapter16: Infection Control And Standard Precautions
Section: Chapter Questions
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Why would a lab do phage typing rather than molecular typing?

1 An inoculum of Staphylococcus aureus is spread over the surface
of agar medium.
Inoculum of
Staphylococcus
aureus strain
to be typed
Agar medium-
Petri dish-
2 Different bacteriophage suspensions are deposited in a fixed pattern.
3 After incubation, different patterns of lysis are seen with different
strains of S. aureus.
Dye marker to orient plate
Lysis
FIGURE 10.12 Phage Typing
Transcribed Image Text:1 An inoculum of Staphylococcus aureus is spread over the surface of agar medium. Inoculum of Staphylococcus aureus strain to be typed Agar medium- Petri dish- 2 Different bacteriophage suspensions are deposited in a fixed pattern. 3 After incubation, different patterns of lysis are seen with different strains of S. aureus. Dye marker to orient plate Lysis FIGURE 10.12 Phage Typing
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