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Salmonella sp. vs. Proteus

annie_t at my-deja.com annie_t at my-deja.com
Wed Jan 26 18:43:26 EST 2000


In article <86d5od$e6a$1 at gxsn.com>,
  "Alec Gallagher" <alec at colindal.globalnet.co.uk> wrote:
>
> hec wrote in message <86ahq7$suf$1 at news.inet.tele.dk>...
> >Hi does anyone know a good quick method, how to identify eg, Proteus
> >Mirabilis and Citrobacter without any fancy equipment.
>
> The simplest way of spotting P. mirabilis is surely by its morphology
on
> blood agar - it exhibits characteristic swarming and also has a very
> characteristic smell.
>
> Alec
>
> The problem with blood agar is that the Proteus could swarm over it
and mask the fact that other species of bacteria are there too. Ideally
you need to eliminate the Proteus sp and other non enteropathogenic
coliforms by using a selective medium like Selenite F.

Anne :o)


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