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MICROBIOLOGY - coccobacilli?

daniw87
in Homework Help

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Hi everyone, I am currently trying to identify some unknown bacteria for a lab project. We've been given a case study where we have to identify potential pathogens in a sample of dam water. I have two species, which I am finding really difficult to identify!! Can anyone help or guide me in a good direction please?

 

DAM SAMPLE 1:

 

Gram negative

singular, coccobacilli

 

red pigmented colonies on all nutrient agar

γ haemolytic

non-lactose fermenting

non-halotolerant

 

catalase +

oxidase -

 

+ glucose, mannitol, xylose, ONPG, Indole, Urease, VP, Citrate, TDA.

 

 

 

DAM SAMPLE 2:

 

Gram negative

γ haemolytic

lactose fermenting

non-halotolerant

 

catalase +

oxidase -

 

 

Any help would be very appreciated!!!!! Thanks :)

 

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