Antibiotic resistance Flashcards

1
Q

Talk about microbes and relation to antibiotics

(competiton between microbes)

A

Microbes (bacteria, fungi, protists, etc.) compete with each other to survive.

These microbes inhibit the growth of their competitors by secreting toxins

Antibiotics are essentially these same toxins that are synthesised and harvested to use as drugs against bacterial infections

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2
Q

Little history of antibiotics cuz who knows

A

The first antibiotic was discovered by Alexander
Fleming in 1928 when he noticed that the fungus penicillium killed disease causing bacteria.

Howard Florey
* Did the first clinical trials
* Made the first useful antibiotic
drug out of penicillin

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3
Q

Easyyy def right here

Antibiotic resistance?

A

Antibiotic resistance is the process by which
bacteria become resistant to antibiotics.

Important knowledge: humans can have allergic reactions to antibiotics,
but we do not become resistant to antibiotics.

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4
Q

Please, what are the classes of antibiotics and what are they up to?

A

Classes of antibiotics
* Beta-lactams: Inhibit formation of the cell wall
* Sulfonamides: Inhibit DNA synthesis
* Aminoglycosides: Inhibit protein synthesis

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5
Q

Antibiotic overuse

A

Antibiotic Overuse
1.Over-prescribing
2.Continuous use in
livestock feed

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6
Q

Tell us how antibiotic resistance becomes a problem please

this was in the test so i wonder if itll be in the exam

A

Natural mutations present in bacterial populations give resistance to those individuals

When antibiotics are given, the naturally resistant bacteria will not be destroyed

They will then reproduce (binary fission) and the resulting population is now resistant, due to inheriting the resistance genes.

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