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| Eubacterium limosum |
Eubacterium limosum is a Gram positive, non-branching and
non-spore forming rod that grows in anaerobic environment. Eubacterium
spp are commonly seen as a normal flora in the gastrointestinal tract
of humans but can cause bacteraemia in rare occasion.
This organism was
isolated from the blood culture specimen of a hospital in-patient with clinical
details of diarrhoea. The BD Bactec FX Blood culture analyser flagged the
anaerobic bottle (pink top) positive after 56 hours incubation and upon Gram
stain shows Gram positive non-branching rods. The specimen was then plated out
on Blood agar, chocolate agar, UriSelect chromogenic agar and FAA AN anaerobic
plates. All culture plates were purchased from E & O Labs (http://www.eolabs.com/). After 24 hours
incubation at appropriate temperatures, there was growth on the FAA AN
anaerobic plate only. The isolate shows a smooth, rounded, lustrous colony as seen
on the culture plate above. This isolate was then identified using Biomerieux Vitek
MS as Eubacterium limosum.
