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Title: Environmental Microbiology 5: Microbes as a Component of Extreme Environments
Description: This set of notes covers the microbes that live in extreme environment such as thermal vents and salt lakes. The information in this set is derived from a class lecture given during a 3rd year course.
Description: This set of notes covers the microbes that live in extreme environment such as thermal vents and salt lakes. The information in this set is derived from a class lecture given during a 3rd year course.
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Unit 2 Part 4 - Microbes as a Component of Extreme
Environments
Extreme environment:
-
Environmental conditions (e
...
pH, temperature, salinity, relative humidity, and nutrients)
are at one of the extreme limits, i
...
2
...
4
...
6
...
8
...
2
...
4
...
High pressure
Air-Water Interface Includes
1
...
3
...
5
...
Pathways that catabolize toxic compounds
b
...
DNA repair mechanism
High Temperature
(More than 70 to 100C)
In hydrothermal vents, more than 300C
Archaebacteria are known to survive under such conditions
Growth is limited due to:
- Low organic matter
- Low O2
- Acidic and alkaline pH
Very few species of bacteria survive at 75C or more e
...
- Thermus sp
...
g
...
Halobacterium
b
...
0
Thermobacillus sp
...
Archaeba
Title: Environmental Microbiology 5: Microbes as a Component of Extreme Environments
Description: This set of notes covers the microbes that live in extreme environment such as thermal vents and salt lakes. The information in this set is derived from a class lecture given during a 3rd year course.
Description: This set of notes covers the microbes that live in extreme environment such as thermal vents and salt lakes. The information in this set is derived from a class lecture given during a 3rd year course.