Re: Contamination

[StroWi <StroWi@T-ONLINE.DE>]

Schopke, Christian schrieb:
> To all affected by pink bacteria:
>
> Based on this experience I conclude that under certain circumstances
> contamination can appear after years of subculture, even though the cultures
> are maintained under 'sterile' conditions. Obviously this is my personal
> opinion, because one could argue that there are other pink bacteria that
> could be introduced into sterile cultures during transfers.
>
> Christian Schopke

Dear Christian,

thanks for this is very interesting information.
If I remember it correctly, Prof. Cassels from Cork, Ireland once mentioned in a
lecture, that they identified an endophyte that was obviously of human origin,
in other words the cultures were infected with a human bacterium.

I imagine, in your case the pink bateria grew out of the shots, like endophytes
do; in our case we had isolated colonies of pink bacteria growing on the medium
surface, so we concluded, that the cultures were contaminated by ourself.

Good growing,
Bernhard Strolka.

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