Microorganisms, medicines and bioremediation

?
What is penicillin?
The first successful antibiotic produced by a mould called penicillium notatum
1 of 7
What is used to produce penicillin on a commercial scale?
Another form of mould called penicillium chrysogenum was discovered which helped produce it on a commercial scale
2 of 7
What does p.chrysogenum need to grow well? (stage 1 of production of penicillin)
Relatively high oxygen levels and a rich nutrient medium, with controlled environment as it is sensitive to PH and temperature
3 of 7
What is the second stage of producing the penicillin?
In fermenter, mixture constantly stirred to keep it oxygenated, rich nutrient medium with a buffer to maintain PH and bioreactors to maintain temperature, produces penicillin, drug extracted and purified
4 of 7
What is bioremediation?
The use of microorganisms to break down pollutants and contaminants in soil or water
5 of 7
Using natural microorganisms in bioremediation
Natural microorganisms used as they naturally break down certain pollutants, if naturally occurring microorganisms are supported by us, they can break down many pollutants and contaminants
6 of 7
Gm microoranisms in bioremediation
Scientists are trying to GM mircoorganisms to breakdown certain substances that they cant do naturally, e.g. mercury, however natural microorganisms appear to be more effective in bioremediation as a whole
7 of 7

Other cards in this set

Card 2

Front

What is used to produce penicillin on a commercial scale?

Back

Another form of mould called penicillium chrysogenum was discovered which helped produce it on a commercial scale

Card 3

Front

What does p.chrysogenum need to grow well? (stage 1 of production of penicillin)

Back

Preview of the front of card 3

Card 4

Front

What is the second stage of producing the penicillin?

Back

Preview of the front of card 4

Card 5

Front

What is bioremediation?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Cloning and Biotechnology resources »