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Help one of my unknowns left a green tint??

About microscopic forms of life, including Bacteria, Archea, protozoans, algae and fungi. Topics relating to viruses, viroids and prions also belong here.

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Help one of my unknowns left a green tint??

Postby msanchezcb » Wed May 14, 2008 11:34 pm

I NEED HELP WITH MY UNKNOWN-
I BELIEVE ONE IS: S.a and the other Enterobacter aerogenes
Does either one leave a green tint when inoculated on the nutrient agar?
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Re: Help one of my unknowns left a green tint??

Postby mkwaje » Mon May 19, 2008 7:18 am

I'm not sure if either one leaves a green tint on NA. S. aureus may appear yellowish/orangish sometimes but I haven't encountered a green one before. E. aerogenes is usually a coliform but still doesn't sport a greenish tinge in NA. Maybe your plate got contaminated by Pseudomonas.. just a thought.
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