Gram Stain of Escherichia coli

Photomicrograph of a Gram stain of <i>Escherichia coli</i> showing Gram-negative bacilli.

Note Gram-negative (pink) bacilli.
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Microbiology Laboratory Manual by Gary E. Kaiser, PhD, Professor of Microbiology
is licensed under a Creative Commons Attribution 4.0 International License.
Last updated: September, 2017