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Microbiology
Gammaproteobacteria
| Question | Answer |
|---|---|
| General characteristics of gammaproteobacteria | Great variety of physiological types |
| Filamentous, gliding, produce slime, uses hydrogen sulfide as the energy source. | Beggiatoa |
| Human pathogen, causes tularemia | Francisella |
| Opportunistic pathogens, infect UT, burns and wounds, may cause sepsis; gram-negative, large genetic capacity (synthesize large number of enzymes); can grow in quaternary ammonium compounds; resistant to most antibiotics (due to porins); food spoilage | Pseudomonas |
| Free-living nitrogen fixers, but need large amounts of carbohydrates; heavily capsulated | Azotobacter and Azomonas |
| Human pathogens, causes conjuctivitis; strictly aerobic | Moraxella |
| Opportunistic pathogen, primarily found in hospitals; resistant to many antibiotics (high mortality rate) | Acinetobacter |
| Human pathogens, colonize warm-water, able to survive and reproduce within amoeba | Legionella |
| Obligately intracellular human pathogen, causses Q fever; transmitted by aerosols or contaminated milk; have a porelike body | Coxiella |
| Human pathogens that cause cholera and diarrhea, transmitted by undercooked shellfish; curved | Vibrio |
| Normal intestinal becteria, some pathogens (UTI)Certain starins produce enterotoxins that can cause traveller's diarrhea | Escherichia |
| Human pathogens, serology is used to identify; contaminate food (salmonellosis), may cause typhoid fever | Salmonella |
| Human pathogens, causes bacillary dysentery | Shigella |
| Opportunistic pathogens, causes serious form of pneumonia; some may fix nitrogen | Klebsiella |
| Opportunistic pathogens, cause RTI and UTI; produce red pigment | Serratia |
| Human intestinal bacteria, occasional pathogens (UTI and wound infectuions)swarming type of growth (many flagella) | Proteus |
| Human pathogens, causes plaque (transmited by flea and rodents) | Yersinia |
| Plant pathogens, produces enzyme that hydrolyzes pectin | Erwinia |
| Opportunistic pathogens, widely distributed, can cause UTI and nosocomial infections | Enterobacter |
| Human pathogens, can be transmitted to humans by dog and cat bites; microbiota in Komodo dragon | Pasteurella |
| Human pathogens, common cause of meningitis; unable to sunthesuze parts of cytochrome system and need X factor (blood hemoglobin) and V factor (NAD+ or NADP+) | Haemophilus |
Created by:
anivanova
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