B151xF08_L20_Energetics-2

B151xF08_L20_Energetics-2 - Georgia Tech School of Biology...

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Biology 1510/1511 Georgia Tech School of Biology Fall 2006 Energetics, Evolution, Ecology Evolution of major energetic pathways. Phylogenetic distribution Redox assembly kit Syntrophy, Chemoautotrophy, Chemosymbiosis. Methane oxidation in marine sediments Vent and seep ecosystems Chemosymbiosis elsewhere
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Biology 1510/1511 Georgia Tech School of Biology Fall 2006 Redox Stratification in Marine Sediments (Jorgensen 2000, Fig. 5.11)
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Biology 1510/1511 Georgia Tech School of Biology Fall 2006 Redox Proteins • A number of redox proteins (left) appear in a wide variety of metabolic pathways in diverse microbial lineages (below). • The distribution of these proteins among bacterial (gray) and archaeal (hatched) lineages suggests that they were present in LUCA.
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Biology 1510/1511 Georgia Tech School of Biology Fall 2006 Redox Protein Construction Kit (Bayemann et al., 2003, Fig. 2)
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Biology 1510/1511 Georgia Tech School of Biology Fall 2006 Chemoautotrophy Definition: primary production driven by energy from chemical reactions rather than light. Where is it important? Sediments with strong redox stratification Endosymbiotic associations Vent and seep communities Water column?
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Biology 1510/1511 Georgia Tech School of Biology Fall 2006 Chemoautotrophic Pathways
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This note was uploaded on 09/04/2009 for the course BIO 1510 taught by Professor Unknown during the Spring '07 term at Georgia Institute of Technology.

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B151xF08_L20_Energetics-2 - Georgia Tech School of Biology...

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