s33 to s63 bact diversity Flashcards
what kind of gram bacteria are proteobacteria?
gram-negative
what organisms are under alphaproteobacteria
- Photoheterophs
- Oligotrophs
- Methylotrophs
what environment do oligotrophs live in?
what are the two important species in it
aquatic where there are low nutrient concentrations
- caulobacter
- hyphomicrobium
what are endosymbionts
- Nitrogen-fixers and plant roots
what are the three free-living nitrogen fixers?
derxia, beiierichia, azotobacter
if your oxidizing ammonia to nitrite what genus would you use?
nitrosomonas
if your oxidizing nitrite to nitrate what genus would you use?
nitrobacter
what clade includes mitochondria
rickettsias
(causes rocky mountain spotted fever that is spread by ticks)
what are nitrifies
oxidize ammonia to nitrite (NO2)
what two organisms are opportunistic invaders of the lungs in cystic fibrosis patients
pseudomonas aeruginosa
Burkholderia cepacia
what are sulfur lithotrophs and what do they do?
- beggiatoa
oxidize h2s to sulfur
what organisms Oxidize iron or sulfur?
Acidithiobacillus
what are the Sulfur and iron phototrophs?
Chromatium
anoxygenic photosynthesis
uses hydrogen sulfide as an oxygen donor
two aerobic rods?
-Pseudomonas species
-Legionella pneumophila
bacteria that penetrates into periplasm of proteobaccterial cells as a parasite
Bdellovibrio
(the B is silent)
most common cause of gastritis and stomach ulcers
helicobacter pylori
(microaerophile)
what bacteria genera are the major flora of the human colon?
Bacteroidetes
most common cause of blindness
chlamydia trachomatis
(obligate intracellular parasites)
chlamydiae alternate between two different developmental stages with different functions what are they?
- elementry body: infectious form
- reticulate body: for intracellular replication
only bacteria that has an internal nuclear membrane
planctoyces
