Currently, we are trying to isolate a new microbe using the thiobacillus selective media and this is what we got. I don't have any idea of what it is. Generally, it can grow in this selective media and results in acidic broth after the fermentation.
It has an hairy appearance...also you can see rod like thing of pink color in between(might be the actual bacteria - assumption)...those hairy like structures might be some deposits that organism is forming upon growth on media..cant say...
Could you give some more details on the microscopy sample preparation: dyes used, magnification,...?
By the way, Acidithiobacillus or Thiobacillus?
It could be some filamentous mineral precipitate, an artifact due the preparation method or even the bacteria themselves, depending on the magnification and other details.
Dye used was methylene blue. Magnification is around 40X. The media used was Thiobacillus broth media (HiMedia Lab). It is a selective media to isolate thiobcillus sp. It contains sodium thiosulfate. The broth was cloudy after 5 days fermentation.
I'd give it a try with phase contrast microscopy or similar to discard that those aren't just methylene blue needles. There are few needle-like bugs though, try also higher magnification, i.e. immersion oil objective. In any case is really hard to say from a single picture.
I think You should go for Oil-immersion for better structural detail. With 40X it is very difficult to see even if there are septa or if they are just crystal particles/artifacts...
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