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Pinpoint to small, semi-transparent colonies.
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| The same Blood Agar plate examined with transmitted light. The colonies are surrounded by a very narrow haemolytic zone. This is not an example of 'greening' since L. seeligeri is catalase-positive. L. seeligeri is not proteolytic nor lipolytic. |
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| General characteristics: Gram-positive rods. Catalase-positive. Attacks sugars fermentatively. Motile with characteristic slow, tumbling and rotary movements. |
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