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Microbiology
Alphaproteobacteria
| Question | Answer |
|---|---|
| Important characteristics of alpaproteobacteria | Capable of growth at very low levels of nutrients. Some have prosthecae (stalks or buds) |
| MO that have only 1354 genes because of symbiotic relationship (lower metabolic requirements); most abundant organism in the oceans (size - 0.3mcm) | Pelagibacter |
| A soil bacterium that growth in close association with the roots of many plants; a nitrogen fixator | Azospirillum |
| Obligately intracellular human parasite; gram-neg, rod-shaped; transmitted to humans by bites of lice, flea and ticks (causes spotted fever). | Rickettsia |
| Important characteristics of alpaproteobacteria | Capable of growth at very low levels of nutrients. Some have prosthecae (stalks or buds) |
| MO that have only 1354 genes because of symbiotic relationship (lower metabolic requirements); most abundant organism in the oceans (size - 0.3mcm) | Pelagibacter |
| This MO features stalk that anchors it to the surface (increases nutrients intake). Asexual reproduction through budding. | Caulobacter and Hyphomicrobium |
| A soil bacterium that growth in close association with the roots of many plants; a nitrogen fixator | Azospirillum |
| Agriculturally important bacteria that live in roots of leguminous plants and fixes nitrogen | Rhizobium, Bradyrhizobium |
| Obligately intracellular human parasite; gram-neg, rod-shaped; transmitted to humans by bites of lice, flea and ticks (causes spotted fever). | Rickettsia |
| A plant pathogen, causes crown gall desiase (a tumor where the roots and stem merge). | Agrobacterium |
| Obligately intracellular human pathogen; lives within white blood cells; transmited by tickes (causes ehrlichiosis) | Ehrlichia |
| A gram-neg. bacillus, a human pathogen | Bartonella |
| This MO features stalk that anchors it to the surface (increases nutrients intake). Asexual reproduction through budding. | Caulobacter and Hyphomicrobium |
| A small, nonmotile coccobacilli, oblihate human parasite; survivrs phagocytosis | Brucella |
| Agriculturally important bacteria that live in roots of leguminous plants and fixes nitrogen | Rhizobium, Bradyrhizobium |
| A plant pathogen, causes crown gall desiase (a tumor where the roots and stem merge). | Agrobacterium |
| A gram-neg. bacillus, a human pathogen | Bartonella |
| A small, nonmotile coccobacilli, oblihate human parasite; survivrs phagocytosis | Brucella |
| MOs that use reduced nitrogenous compounds as energy source; nitrifying, important in agriculture | Nitrobacter and Nitrosomonas |
| A symbiont of insects, regulates sex in insects | Wolbachia |
Created by:
anivanova
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