Antibiotic resistant bacteria 2
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Antibiotic Resistant BacteriaWhat doesn’t kill them makes them stronger
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Before Antibiotics
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Alexander Flemming Discovers penicillin in 1928
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Miracle Cure
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http://www.youtube.com/watch?v=w3zDqBuQ94Q
Penicillin-The Magic Bullet
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Mechanisms Of Resistance• Antibiotics create selection pressure
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Selection Pressure
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Mechanisms of resistance• Horizontal gene transfer• http://www.youtube.com/watch?
feature=player_detailpage&v=eRvfhljxA4s
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Horizontal Transfer • Bacteria have the ability to acquire genes from
other bacterium without being its offspring.
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What Can We Do?• Many of the most widely used antimicrobial drugs
are already ineffective• Pharmaceutical companies cannot create new
drugs fast enough to treat drug resistant bacteria• Reduce inappropriate prescription of antibiotics
• Increase public awareness that many diseases cannot be cured with antibiotics
• Reduce use of agricultural antibiotics• Increase the number of patients who finish their
courses of antibiotics• Restrict the use of new antibiotics• http://www.youtube.com/watch?feature=player_det
ailpage&v=UZatOIWlf3Y