University of Toronto researchers have discovered nine new genes used by bacteria to protect themselves against ...

Bacteria that have the enzyme tryptophanase ... form bright pinky-red colonies (plate pictured on the left here). MacConkey agar is commonly used to differentiate between the Enterobacteriaceae.

3. Streak plate – the original culture is directly diluted across an agar surface using an inoculating loop. This is a simple & rapid method. All of these methods dilute or “thin out” a heavy ...

The purpose of this practical is to investigate the effect of antiseptics or antibiotics on bacterial growth using agar plates and measuring zones of inhibition. This allows the selected bacteria ...

But when the students go home, Grosser gets out her agar plates and brightly-colored bacteria collection to make literature-based agar art. Posting on Instagram as @thebookishbacteriologist, Grosser ...

Fairburn explains that in the absence of an active anti-phage defence, viral infections inhibit bacterial growth and cause a ...