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microbio 412


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precursors to cell material decreases entropy endergonic +delta G
substrates to make energy to products increases entropy exergonic -deltaG
Gibbs free energy
change in H - t change in S
glucose makes CO2, electrons to e- transport chain, O2 electron acceptor, makes H20. ATP synthase makes ATP through oxidative phosphorylation
H20 electron donor, makes O2, e- to e- transport chain, light helps e- chain, e- goes to CO2 and makes cell material. ATP synthase makes ATP
electron donor (glucose) goes through substrate level phosphorylation, makes ATP, pyruvate used to make lactate
uses organic chemicals as energy source
uses inorganic materials as energy source
uses light as energy source
uses organic materials as carbon source
uses CO2 as carbon source
chemoheterotroph/ chemoorganotroph
uses organic chemicals as energy source and organic materials as carbon source
lithtrophic/ heterotroph/mixotroph
uses inorganic materials as energy source and organic materials as carbon source
uses light as an energy source and organic materials as carbon source
uses inorganic materials as energy source and CO2 as carbon source
uses light as an energy source and CO2 as a carbon source
H2 to H+ So (elemental sulfur) to H2S (hydorgen sulfide) extremely thermophilic sulfur metabolizer
Pyrodictium cell shape
disc shaped, connected by tubes made of heat resistant proteins
Pyrodictium phylogeny
pyrodictium metabolism type
anaerobic chemolithtroph
pyrodictium redox potentials
2H+/H2 -.42 So/H2S - -.28
pyrodictium habitat
submarine volcanic
pyrodictium ecological importance
anaerobic sulfur reduction in geothermal environments
pyrodictium exploitation
potential for thermostable, fast acting enzymes
Clostridium butyricum
sugars to acetyl CoA + Co2 acetyla CoA to butyric acid and acetic acid
Clostridium butyricum shape
spore forming rod
Clostridium butyricum phylogeny
gram positive bacteria low mol% G+C
Clostridium butyricum taxonomic classification
anaerobic endospore forming gram positive rod
Clostridium butyricum redox pairs
H+/H2 -.41
Clostridium butyricum habitat
Clostridium butyricum ecological importance
sugar breakdown, organic acid production, H2 production
Clostridium butyricum exploitation
solvent production
H2 to H+ CO2 to CH2
methanobacterium shape
irregular rod
methanobacterium metabolic type
anaerobic chemolithotroph
methanobacterium phylogeny
methanobacterium taxonomic classification
methanobacterium redox pairs
2H+/H2 -.42 CO2/CH4 -.24
methanobacterium CO2 fixation
by acetyl CoA pathway
methanobacterium habitats
pond sediment, anaerobic digesters, landfills, gastrointestinal tracts, endosymbiont of anaerobic protozoa, geothermal habitats
methanobacterium ecological importance
anaerobic degradation, methane production, greenhouse gas
methanobacterium exploitation
fuel production
lactic acid, other org compounds, or H2 to acetic acid or H+ So42- to H2s
desulfovibrio shape
desulfovibrio metabolic type
anaerobic chemoorganotroph
desulfovibrio phylogeny
delta proteobacteria
desulfovibrio taxonomic classification
sulfate reducer
desulfovibrio redox pairs
acetate/lactate So42-/H2S -.22
desulfovibrio habitat
sediments, esp marine
desulfovibrio exploitation
anaerobic hydrocarbon degradation, reductive dechlorination
Syntrophomonas Wolfei
butyrate and other fatty acids to acetate H+ to H2
Syntrophomonas Wolfei cell shape
slightly helical rod
Syntrophomonas Wolfei metabolic type
Syntrophomonas Wolfei phylogeny
gram positive bacteria
Syntrophomonas Wolfei taxonomic classification
Syntrophomonas Wolfei redox pairs
Syntrophomonas Wolfei habitat
anoxic mud, sewage digesters
Syntrophomonas Wolfei ecological importance
fatty acid breakdown, hydrogen utilization
Syntrophomonas Wolfei exploitation
bioreactors, sewage digesters
lactococcus lactis
sugars to pyruvic acid pyruvic acid to lactic acid
lactococcus lactis shape
chain of cocci
lactococcus lactis matabolic type
lactococcus lactis phylogeny
gram positive bacteria, low mol% G+C
lactococcus lactis taxonomic classification
homofermentative lactic acid bacteria
lactococcus lactis redox pairs
pyruvate/glucose ? pyruvate/lactate -.19
lactococcus lactis habitats
dairy products
lactococcus lactis ecological importance
sugar breakdown, organic acid production
lactococcus lactis exploitation
dairy products
chromatium cell shape
large rod with sulfur granules
chromatium metabolic type
anoxygenic phototroph
chromatium phylogeny
gamma proteobacteria
chromatium taxonomic classification
purple sulfur bacteria
chromatium metabolism
H2S to SO42 energy from light Co2 fixation
chromatium habitat
salt marsh mats, stratified lakes
chromatium ecological importance
sulfide oxidation co2 fixation
anabaena cell shape
filament with hetercysts

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