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Campylobacter Counts

04/25/2013
Kristie Nybo, Ph.D.

I am trying to do infection assays, but I can’t count colonies because the bacteria swarm across the plates. Can anyone offer any suggestions?


BioTechniques Molecular Biology Forum brings scientists together in an online community to ask for and share advice regarding laboratory problems. This week’s highlighted question comes from the Cell Culture forum.

I am trying to do infection assays, but I can’t count colonies because the bacteria swarm across the plates. Can anyone offer any suggestions? Source: CDC




Q: I am trying to do infection assays, but I can’t count colonies because the bacteria swarm across the plates. Can anyone offer any suggestions?

A: Can you use a higher dilution of the…

A: Some genes turn on or off when the bacteria are internalized. These can enable them to move across the surface of the agar plate. Perhaps you can mix…

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Keywords:  troubleshooting forum