help identify this enterobacteriaceae
gdrose at exploremaine.com
Tue Aug 5 20:57:32 EST 1997
Thanks to all who helped me on this project. As it turns out, all of
the members of the class who had this same organism also had a weird
mixture of results. The organism is: Citrobacter freundii... weird
huh? Citrate negative?
Particular Thanks to Dr. Cartwright at Hennepin County Medical Center.
Couldn't thank you personally Dr. Cartwright, your e-mail return
address didn't work. Your help was right on the money!
"Gregory D. Rose" <gdrose at mail.exploremaine.com> wrote:
>I am stuck. Trying to identify my unknown in medical microbiology
>class. Have it narrowed to maybe.. thats MAYBE two organisms: E. coli
>and Proteus Vulgaris. My results have not been overly convincing
>however. Here goes.
>Medium sized gray colonies with white center, alpha hemolytic on BAP
>It ferments lactose (purple colonies with green sheen on EMB)
>TSI was acid/acid no gas, no H2S produced
>SIM was + + + (very positive for H2S here but negative on TSI)
>IMViC - + - -
>respond by e-mail if possible to: gdrose at exploremaine.com
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