Durocher- Pathogens- Good guys, bad guys, and antibiotic resistance

Lactobaciullus acidophilus

turns milk into yogurt

strepomyces sp

makes antibiotics

pseudomonas putida

cleans waste in water

escherichia coli

helps you digest your food

bacillus thuringiensis

natural pest-killer in soil

Things bacteria does for us that is good (4)

makes medicine, breaks down oil from oil spills, makes much of the oxygen we breathe, and provides a foundation for many of the food chains

How does bacteria cause disease?

releases toxins

toxins

chemical produced by bacteria to protect itself by destroying surrounding cells

how do antibiotics kill bacteria?

first they punch holes in the cell walls, and then they interfere with reproduction

What was the first antibiotic used?

pencelin- not useful now

Zone of inhibition

clear zone where no bacteria grows

when you prescribe an antibiotic, do you want a big or small zone of inhibition?

big

naWhat do bacteria have that allows them to survive in the presence of antibiotics?

natural mutation

natural mutation

accidental change in DNA

Antibiotic picture with helmets explanation

Bacteria without resistance died (no helments), and bacteria with resistance kept reproducing (helmets) this builds up and they keep reproducing and now you have a lot of resistant bacteria

When do you only use antibiotics?

BACTERIAL infections

what percent of hospital infections are resistant?

70

superbugs

bacteria resisnet to all antibiotics

How to fight antibiotic resistance (5)

spread awareness, wash hands with plain soap, don't take antibiotics unless you have a bacterial infection, take anitbiotics as prescribed (whole prescription), and don't take leftover antibiotics

Example of toxin

botox