Bacteriology

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Dr. Art Ayers in his research lab, Art Ayers

Art Ayers

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Tami Port

Causes and Treatment of Bad Breath

Morning's the worst of it; when that sticky, smelly film covers teeth and tongue. Some call it morning breath, or dragon breath, but what really causes halitosis? more...

Does Mouthwash Kill Oral Bacteria?

In this simple classroom experiment students place oral samples in test tubes of mouthwash to determine rinse time and brands most effective in killing bacteria. more...

How Do Bacteria Become Resistant to Antibiotics?

Overuse of broad spectrum antibiotics have created superbugs such as Clostridium difficile (C. diff) and Methicillin-resistant Staphylococcus (MRSA). more...

What Is a Bacterial Endospore?

Endospores are somewhat like bacterial seeds, tough structures that allow some bacteria to go dormant under unfavorable conditions. more...

Oral Bacteria & Dental Caries

Dental caries or cavities are caused by acidic metabolites produced by bacteria that normally inhabit the mouth, where they feed on carbohydrates. more...

Bacteria Horizontal Gene Transfer

Although bacterial reproduction results in the generation of clones, prokaryotes can undergo genetic recombination through transformation, transduction, and conjugation. more...

Bacterial Endospore Stain Protocol

Endospore staining involves application of a series of dyes. Malachite green stains endospores and safrinin dyes vegetative cells pink. Here's endospore stain procedure. more...

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