Brown E.coli

JEDilworth bactitech at nospamhortonsbay.com
Sat May 21 11:10:34 EST 2005


Years ago (70's) I recall having an E. coli that was extremely mucoid
that produced huge zones on a Kirby Bauer plate (for the sensitive
drugs). It was from a renal patient and was not typical at all. Renal
patients tend to have very atypical strains of everything because
they're treated so much.

I don't remember if it was brown. I have seen Pseudomonas aeruginosa
that was brownish red, however. Was the organism oxidase positive? I
would check that if I had it on a patient's culture plate.

I assume you're doing some sort of further testing/research to elucidate
a particular strain of EC. Clinical labs don't go that far, and I'm
sorry if I'm uneducated in that area.

Judy Dilworth, M.T. (ASCP)
Microbiology

"Trond Erik Vee Aune"
<trondaun at biotech.REMOVETHISBEFOREREPLYING.ntnu.no> wrote in message
news:d6f81c$rei$1 at orkan.itea.ntnu.no...
> Hi,
>
> A collegue of mine have managed to get brown E.coli lin239 colonies on
> solid media.




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