Streptococcus thermophilus

Streptococcus thermophilus, formerly known as Streptococcus salivarius subsp. thermophilus, is a gram-positive bacterium and fermentative facultative anaerobe that is used for producing yogurt and other fermented milk products. It tests negative for cytochrome, oxidase, and catalase, and positive for alpha-hemolytic activity.

It is non-motile and does not form endospores.
S.
thermophilus is fimbriated.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 3.0

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