Anaerobic Bacteriology

Pigmented Colonies

June 2012

On this slide in the upper right hand column, we also see pigmented colonies of Prevotella denticola and in the lower right hand column we see the so called “fried egg appearance” of colonies of Fusobacterium necrophorum.

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Pigmented Colonies

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• Introduction
• Objectives
• Anaerobic Bacteria
• Principal Anaerobic Pathogens
• Specimen Selection: Avoid Contamination With Normal Flora
• Inappropriate Specimens
• Collection and Transport
• Anaerobic Transport Vials
• Anaerobic Transporters
• Anaerobic Culture Media
• Primary Culture CO₂ Holding Jar with Flow Meter
• Incubation
• Anaerobic Jars Set Up Using the Anaero-Pack
• Anaerobic Glove Box
• Anaerobe Culture Triage
• Anaerobe Culture Triage (cont.)
• Identification
• Colonial Morphology
• Pigmented Colonies
• Rapid Identification Using Gram Stain
• Identification
• 16S Ribosomal RNA Sequence of Bacteroides fragilis
• Antimicrobial Susceptibility Testing
• AST Methods
• Illustration of the Components of the E-test Method
• Susceptibility Testing by E-test
• Anaerobe Antimicrobial Panels
• References
• Special Thanks
• Questions