Bacterial Pathogens

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What are pathogenic microorganisms?

Pathogenic microorganisms are bacteria, viruses, fungi, or parasites that can cause disease in their host.

What is the primary mechanism by which bacteria cause disease?

The primary mechanism by which bacteria cause disease is through the production of toxins that damage host tissues or interfere with normal function.

Which bacteria is responsible for strep throat?

Streptococcus pyogenes is the bacteria responsible for strep throat.

What is MRSA and why is it concerning?

MRSA is Methicillin-resistant Staphylococcus aureus, a type of bacteria that is resistant to several antibiotics.

Explain the significance of E. coli in human infections.

E. coli can be part of the normal gut flora but certain strains, like E. coli O157:H7, can cause severe foodborne illnesses.

What role do antibiotics play in treating bacterial infections?

Antibiotics are medications that kill bacteria or inhibit their growth, playing a crucial role in treating bacterial infections.

How is tuberculosis transmitted and what bacterium causes it?

Tuberculosis is transmitted through airborne droplets and is caused by the bacterium Mycobacterium tuberculosis.

What is Lyme disease and which bacterium causes it?

Lyme disease is caused by the bacterium Borrelia burgdorferi, transmitted to humans through tick bites.

What conditions do pathogenic bacteria need to thrive?

Pathogenic bacteria often need warm, moist environments with nutrients to thrive, commonly found in the human body.

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