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
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
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