Ancestor

Korarchaeotes

Euryarchaeots

Crenarchaeotes

Nanoarchaeotes

Proteobacteria (gram-negative):
hetero, chemoauto, photauto,
anerobic and aerobic

Rhizobium

heterotroph

nitrogen fixation for legumes (plants)

Agrobacterium

tumors in plants

used for genetic engineering

Sulfer Bacteria

Thiomargarita namibiensis

Pathogens

Legionella

Salmonella

Vibrio cholerae

E. Coli

found in intestine

not usually harmful

Chlamydias:
chemoheterotrophs

parasitic

Chlamydia trachomatis

blindness

non-gonococcal urethritis
when sexually transmitted

Spirochetes: (spirili/helical)
heterotrophs

parasitic

Treponema pallidum = syphullus

Borrelia burgdorferi = Lyme disease

Cyanobacteria:
photoautotrophic

generate oxygen

Oscillatoria (thread-like colony)
individual shape is currently

photoplankton

anabaena

sinks for CO2 in oceans

primary endosymbiosis
in evolution of plants with
chloroplasts that were
cyanobacteria

Gram-positive bacteria

Actinomycetes

decomposes soil

Bacillus anthracis = anthrax

can come in form of
powder as endospores

Clostridium botulinum = botulism

obligate anerobe

pathogens

staphylococcus

strptococcus

mycoplasms

smallest cells

Extremophiles

Extreme halophiles

Extreme thermophiles

Methanogens

- digestive tracts
- decomposing materials in landfills
- muck on standing water