Key lineages of bacteria

Proteobacteria

purple bacteria

mitochondria derived from proteo

diverse metabollically

e coli, salmonella, rhizobium

Cyanobacteria

blue green bacteria (blue green algae)

Photosynthetic

single cells/colonies

lake madison

Firmicutes

low GC gram positive

coccus and bacillus shaped

common in human gut

used to ferment dairy products

actinobacteria

high GC Gram Positive

share similar structures to fungus

huge source of antibiotics

spriochaetes

distinguished by corkscrew shape and flagella

sphyilis and lyme disease

chlamydiae

coccus shaped

all are parasitic

STD chlamydia