Gram Stain Images

Gram Stain Images

Here are a variety of materials stained according to the Gram stain.

Buttermilk:

E. coli:

E. coli and yogurt together:

Sour Cream:

San Francisco Sourdough: (Note the wild yeast. There are also assorted bacilli and cocci, presumably lactic acid fermenters.)

Tongue scraping:

Tongue scraping with methylene blue:

Yogurt

 

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