What exactly are antibiotics?

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Or rather, what’s a definition of antibiotics that excludes all non-antibiotics while including all antibiotics?

Some sources say that anything that kills bacteria or stops bacteria from growing is an antibiotic. By that logic, though, bleach is an antibiotic, and I don’t think that’s right.

Based on my research, one definition I would throw out there is “substance that kills bacteria while doing minimal damage to the host”— but bacteriophages do that, and they’re definitely not antibiotics.

I know there’s generally a fungal connection, but I don’t think that can serve as demarcation— modern penicillin is synthetic, and others are fully synthetic, I believe.

So how would you define antibiotics?

In: Biology

3 Answers

Anonymous 0 Comments

I mean, why couldn’t a bacteriophage be considered an antibiotic?

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