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Title
Bacterial colonies like a biohazard sign on agar isolated black #61318464
Description
Red bacterial colonies on a petri dish (agar plate) form figure similar to biohazard sign. Diagonal view. Oil-degrading bacteria and nutrient agar (meat-peptone agar) media used. Focus on full depth. Big bacterial colonies mainly seems not to be with a sharp border because of this strain colonies has a transparent mucus around.