Microbial diversity

archaea

bacteria

Phyla

Crenarchaeota

Thaumarchaota

euryachaeota

physiological groups

hyperthermophiles

metabolism

strict anaerobes

acidophiles

sulfur-dependent

order

Thermoproteales

Desulfurococcales

Sulfolabales

Caldisphaerales

Group I archaea

membrane lipids - crenarchaeol/thaumarchaeol

mesophilic

nitrification

Methanogens

Halobacteria

Thermoplasms

extremely thermophilic S - metabolizers

Sulfate-reducers

importance

wastewater treatment

can produce methane to be used as fuel and energy source

extreme halophiles

aerobic

chemoheterotrophs

genera

Thermoplasmataceae

Picrophilaceae

Ferroplasmataceae

Thermoacidophiles

lack cell walls

genera

Thermococcus

Paleococcus

Pyrococcus

motile

strictly anaerobic

reduce sulfur to sulfide

optimum growth - 88-100

Class

order

Genera

Class

Thermococci

order

Thermococcales

Archaeoglobi

Archaeoglobales

Archaeoglobus

irregular coccoid cells

extremely thermophilic

metabolism

lithotrophic or organotrophic

sulfate, sulfite or thiosulfite as e- acceptor

genera

Halobacterium

phyla

Aquificae

thermotogae

Deinococcus-Thermus

Photosynthetic

Chlorobi

Chloroflexi

Firmicutes

Cyanobacteria

Planctomycetes

Chlamydiae

Spirochaetes

Bacteroidetes

Proteobacteria

Gram-positive

Firmicutes

Actinobacteria

Genera

Aquifex

Hydrogenobacter

gram-negative

thermophile

microaerophilic

chemolithoautotroph

genera

Thermatoga

Gram-negative rods

thermophiles

chemoheterotrophs

Deinococcus

Spherical or rod-shaped; in pairs or tetrads

cell wall-less gram-positive

aerobic

resistant to desiccation and radiation

green nonsulfur

green sulfur

Heliobacteria

Acidobacteria

gram-negative thermophilic

genera

Chlorobium

Prosthecochloris

Pelodictyon

Chlorosomes

nonmotile

gas vesicles

obligate anaerobic photolithoautotrophs

sulfide rich areas

Photosynthetic

Nonphotosynthetic

Genus Herpetosiphon

Genus chloroflexus

filamentous

thermophilic

metabolism

anoxygenic photosynthesis

chemoheterotroph

non-photosynthetic gliding, rod-shaped or filamentous

aerobic chemoorganotrophs

Chlorophyceae

gram-negative

obligate photolithoautotrophs

chemoheterotrophs

Photosynthesis

Pigmentation

carbon fixation

phycobiliproteins

calvin cycle

Ecology

Phycocyanin

phycoerythrin

chromatic adaptation

phototaxis

thermophilic

blooms in nutrient-rich ponds and lakes

Symbiotic relationships

synechoccus, Prochlorococcus

anammoxosome

lack peptidoglycan

genus

Planctomyces

gram-negative

obligate intracellular parasite

Chlamydia

gram-negative

chemoheterotrophic

motile

genera

Spirochaeta

Treponema

Symbiotic associations

free living

symbiotic

disease

lyme

syphilis

chemoheterotrophs

terrestrial and marine environments

anaerobic

gram negative rods

no endospore formation

lineages

Alphaproteobacterium

Betaproteobacterium

Gammaproteobacterium

Deltaproteobacterium

Epsilonproteobacterium

genus

Nitrobacter

Caulobacter

chemoheterotrophs and chemolithotrophs

genus

Bordetella

Neiserria

Largest subgroup of proteobacteria

chemoorganotrophs

photolithotrophs

chemolithotrophs

methylotrophs

genus

Azotobacter

Escherichia

Aerobic, chemooraganotrophic predators

anaerobic, chemoorganotrophic sulfur- and sulfate-reducers

genus

Campylobacter

Helicobacter

smallest of proteobacterial classes

slender gram-negative rods

thermophilic

chemolithoautotrophic

Low G + C

Classes

clostridia

bacilli

negativicutes

High G + C

source of most currently used antibiotics

most are not motile

metabolites

anticancer

antihelminthic

immunosuppressive

ecological importance

widely distributed in soil

mineralization of organic matter

structure of cell wall

Protists