Differences

Comparison Between Acid Fast and Non Acid Fast Bacteria

Acid Fast bacteria resist the decolorizing by acid after staining. Non Acid Fast Bacteria readily resist the decolorizing by acid after staining.

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Sourav Bio
This article writter by Sourav Bio on March 29, 2021

Writer and Founder of Microbiologynote.com. I am from India and my main purpose is to provide you a strong understanding of Microbiology.

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Comparison Between Acid Fast and Non Acid Fast Bacteria
Comparison Between Acid Fast and Non Acid Fast Bacteria

Comparison between Acid Fast and Non Acid Fast Bacteria

CharacteristicsAcid Fast bacteriaNon Acid Fast Bacteria
Resistance to decolonizationAcid Fast bacteria resist the decolorizing by acid after staining.Non Acid Fast Bacteria readily resist the decolorizing by acid after staining.
Acid Staining colorAcid Fast bacteria appear in pink or red color.Non Acid Fast bacteria appear in blue color.
StainIt retains the color of primary stain, carbol fuchsin.It retains the color of counterstain, methylene blue.
Presence of Mycolic acidMycolic acid is present in cell wall.Mycolic acid is absent in cell wall.
ExampleMycobacterium tuberculosis, Mycobacterium leprae,Mycobacterium avium-intracellulare complex, and Nocardia species.Escherichia coli is an example of acid fast bacteria.

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Writer and Founder of Microbiologynote.com. I am from India and my main purpose is to provide you a strong understanding of Microbiology.

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