Pyrolobus fumarii Hyperthermophile
Extreme early earth conditions?
Influence of pH on microorganisms
Fungus
colonizing acidic fruit
Influence of pH on different enzymes
Mining and acid mine drainage
pH
approaching zero!
Acidic bog
Helicobacter pylori
Ulcer
awareness week! October 6-13th
Alkaline lakes
Lake Magadi in Kenya
•Alkaline Salts
•Rain + evaporation dissolves salts
•binding with hydrogen ions
Soap Lake in Washington
Halomonas campisalis pH 9.5 salt
concentration of 12.5%
Healing
mineral waters?
Enzymes from alkalophiles
Fish
Strawberries
Tomatoes
Dry foods and environments
Animal cell
Plant cell
Osmotic Pressure
Isotonic
Hypotonic
Hypertonic
Plasmolysis
Water leaves cell
Membrane shrinks
DNA disordered
Metabolism
disrupted
Salted fish
Staphylococcus
aureus on
skin
Ocean - salt water
Dead Sea
Solar
Evaporation
Ponds
Salt production
Heat production
Halobacterium
How would these
cells fare is
distilled water?