[Microbiology] issues with suspected E. coli

Nathan Tisdell via microbio%40net.bio.net (by amurion from gmail.com)
Wed Apr 9 15:10:17 EST 2008


I am currently taking an introduction to microbiology class and am having
issues with a strain of bacteria.  We have run SIM tests, Citrate, MR-VP,
TSI and EMB tests.  Every test points to it being E. Coli except for the EMB
plate, instead of turning purple with a green sheen, it stayed colorless.  I
did not streak for isolation, just a straight streak across the medium.  If
someone could let me know about something that I might be missing, I would
greatly appreciate it.


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