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12 Cards in this Set

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Physiological Adaptions for oxygen
must have superoxide dismutases
2O2 + 2H2 -> O2 + 2H2O2
2H2Os -> with catalase 2H2o + O2
Obligate Aerobe
SOP +
Catalase +
Ex Psedomones Species
Facultative Anaerobe
SOP +
Catalase +
Ex: Salmanella and E. Coli
Aerotolerant Anaerobe
SOP +
Catalase -
Ex: Streptococcus Species
Obligate Anaerobe
SOP -
Catalase -
Ex: Clastridium
Microaerophile
SOP +
Catalase +/- low levels
Ex: Heliocobacter sp
High pressure tolerant(Barotolerant)
-260atm Barophiles found in the bottom of ocean. Called "Black Smokers"
What has a very low organic carbon
Barotolerant, Thermotolerant, Chemolithotrophs
What does radiation do?
Interferes with DNA structure. Thymine dimerization. Increases mutations
What are the physiological adaptions for radiation?
UV light- induciable DNA repair enzyme system.
Electromagnetic Radiation
Ionizing radiation-> increases formation of ROS(reactive oxygen species)
Solar energy(phototrophs) and inorganic materials(Chemolithotrophs)go to ________ and that goes to ______ to use for growth
Reduced organic materials
Heterotrophs