Bacteria
Proteobacteria
Purple phototrophic bacteria
Bacteriochlorophyll
Carotenoids
Purple Sulfur Bacteria
H2S So
hydrogen sulfide Elemental sulfur
Purple sulfur bacteria
Purple nonsulfur bacteria
Photoheterotrophs
Nitrifying Bacteria
Nitrosococcus oceani
Nitrobacter winogradskyi
Ammonia monooxygenase : ammonia to hydroxylamine
Nitrite oxidase : nitrite to nitrate
Methanotrophs & Methylotrophs
Methanotrophs=Obligate aerobes
Vibrio and Photobacterium
Broza & Halper. Nature. 2001 Jul 5;412(6842):40
Pathogen reservoirs. Chironomid egg masses and Vibrio cholerae
Vibrio cholerae
Fireworm Hermodice carunculata
coral-bleaching pathogen Vibrio shiloi
Bioluminescent bacteria
FMNH2 + O2 + RCHO FMN + H2O + RCOOH+light
Luciferase
FMN –flavin mononucleotide
Autoinduction, quorum sensing
Vibrio fischeri
Photobacteriumphosphoreum
Rickettsias
Obligate intracellular parasites
Wolbachia
ParthenogenesisKilling of males
Feminization
Wolbachia
Buchnera aphidicolaGammaproteobacteria
Gram-Positive bacteria
Gram-Positive bacteria
Low GC
Lactic acid bacteria
Electron transport
phosphorylation
NO porphyrins and cytochromes
Substrate level Phosphorylation only
Aerotolerant anaerobes
High GCStreptomycesActinomyces
conidia
Cyanobacteria
Chlorophyll a
Phycobilins
N2 fixation (some)
Cyanobacteria
Cyanobacteria
Chlorophyll b
-carotene
Divinyl Chlorophyll a
Prochlorococcus
Planctomyces
No peptidoglycan
Nucleated prokaryotes
Green Sulfur Bacteria
Green Sulfur Bacteria
Chlorobium limicola
Chlorobaculum
Green Sulfur Bacteria
“Chlorochromatium aggregatum”
Hyperthermophiles
HyperthermophilesThermotoga
Thermodesulfobacterium
Aquifex
