Enrichment of phototrophic sulfur bacteria from Elkhorn Slough

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Enrichment of phototrophic sulfur bacteria from Elkhorn Slough Hopkins Microbiology Course 2010 Pacific Grove, CA

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Enrichment of phototrophic sulfur bacteria from Elkhorn Slough. Hopkins Microbiology Course 2010 Pacific Grove, CA. O 2. O 2. 870nm. Oxygenic Photosynthesis. H 2 O. Oxic. 660nm. Sulfidic. H 2 S. S 0. SO 4 2. Anoxygenic Photosynthesis. b chl . a. Organic C. b chl . e. dsrA. - PowerPoint PPT Presentation

Transcript of Enrichment of phototrophic sulfur bacteria from Elkhorn Slough

Page 1: Enrichment of phototrophic sulfur bacteria from Elkhorn Slough

Enrichment ofphototrophic sulfur bacteria

from Elkhorn Slough

Hopkins Microbiology Course 2010Pacific Grove, CA

Page 2: Enrichment of phototrophic sulfur bacteria from Elkhorn Slough

OxicSulfidic

Oxygenic Photosynthesis

Anoxygenic Photosynthesis

O2

OrganicC

28 mM SO42- H2SdsrA

H2O

O2

bchl. e

bchl. a

870nm

660nmH2SS0SO4

2

Sulfate Reduction

Physical Chemical Environment

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Organism

  Purple GreenLight 880 nm 660 nmH2S Concentration 1.2 mM 2.5 mMEnergy Conservation Photo Phosphorylation Photo Phosphorylation

Reducing PowerReverse Electron Transport

Greater Excitation of Rxn Center

Sulfur storage Inside and outside OutsideMotility Yes No (Maybe)

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Isolation

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Page 6: Enrichment of phototrophic sulfur bacteria from Elkhorn Slough

Isolation

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Page 8: Enrichment of phototrophic sulfur bacteria from Elkhorn Slough
Page 9: Enrichment of phototrophic sulfur bacteria from Elkhorn Slough

Thanks

Page 10: Enrichment of phototrophic sulfur bacteria from Elkhorn Slough
Page 11: Enrichment of phototrophic sulfur bacteria from Elkhorn Slough

Oxidation of H2S

Sulfur, SulfateOrganic carbon

Bacteriochlorophyll a/bBacteriochloropyll d/e

Purple Sulfur BacteriaGreen Sulfur Bacteria

Page 12: Enrichment of phototrophic sulfur bacteria from Elkhorn Slough

Quinone Chemistry


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