Metabolism Lectures. Outline: Part I: Fermentations (Monday) Part II: Respiration (Wednesday) Part III: Metabolic Diversity (Friday) Learning objectives are : Learn about anaerobic respiratory metabolisms. How can an inorganic compound be use as an energy source. Bacteria and Archaea.
Learning objectives are:
Gram negative rods
Common in soil especially the root zone of plants
Some are plant pathogens
A. tumefaciens causes crown galls or plant tumors
Only if A. tumefaciens has the Ti (tumor inducing) plasmid.
Elements of Ti have been engineered to generate transgeneic plants using.Agrobacterium species
Generate energy by respiration of sulfur compounds
Some can use H2 for energy
Many use lactate, acetate, and/or ethanol as carbon and energy sources.
Abundant in anaerobic aquatic environments where sulfate is high
Also abundant in anaerobic environments with lots of decomposing organic matterSulfate reducing bacteria
4 Fe(III) + 2 H2O
(Acidovorax sp. strain BoFeN1)
(R. ferrooxidans strain SW2)
Photos by Professor Andreas Kappler
Chlorobium ferrooxidans strain KoFox
(co-culture with Geospirillum strain)
How can they