Bacteriology
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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...
Dental caries or cavities are caused by acidic metabolites of 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...
Bacterial Acid-fast Stain Reaction
Acid fast staining involves the application of a series of dyes that leaves some bacteria pink (Acid-fast) and others purple (Nonacid-fast). Here's how this stain works. more...
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Bacterial Biofilms – Cities of Slime
By: Dennis Holley
Bacteriology had it wrong for the past 300 years. Bacteria don't live alone. They live collectively in layers of slime where they do their own thing but do it together. more...
Several bacterial species inhabit the human body to assist its functions and keep more virulent agents at bay. more...
How Dr Alexander Fleming, in 1922, discovered the anti-bacterial properties of lysozyme, first in his own nasal mucus and subsequently in tears more...
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