Bacteria Proteobacteria Purple phototrophic bacteria Bacteriochlorophyll Carotenoids.

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