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Bio 459 - Diseases > Midterm 2 - Notes 3 (Part 2) > Flashcards

Midterm 2 - Notes 3 (Part 2) Flashcards

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Biology 101 flashcards
1
Q

What are 6 examples of gammaproteobacteria?

A
  1. Thiotrichales
  2. Pseudomonadales
  3. Legionellales
  4. Vibrionales
  5. Enterobacteriales
  6. Pasteurellales
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2
Q

What is the largest class of proteobacteria?

A

Gamma

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3
Q

What are 2 examples to thiotrichales?

A
  1. Beggiatoa

2. Francisella

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4
Q

Beggiatoa (4)

A
  1. Non pathogenic
  2. Grows in aquatic sediment
  3. Chemoautotrophic
    - oxidizes H2S to S^0 for energy
  4. Gram-negative
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5
Q

Francisella (2)

A
  1. Pathogenic

2. Gram-negative

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6
Q

What is an example of francisella?

A

F. tularensis = causes tularemia

- transmitted from insects and found mostly in rabbits and rodents, causing fever and loss of appetite

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7
Q

What are 4 examples of pseudomonadales?

A
  1. Pseudomonas
  2. Azotobacter and azomonas
  3. Moraxella
  4. Acinetobacter
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8
Q

Pseudomonas (8)

A
  1. Non pathogenic
  2. Opportunistic pathogens; nosocomial infections
  3. Utilizes a wide variety of carbon
  4. In absence of O2 they can use NO3 as a terminal electron acceptor
    - able to grow in anaerobic conditions (lacking O2)
  5. Gram-negative
  6. Metabolically diverse
  7. Common for UTI
  8. Important bioradiation
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9
Q

What is an example of pseudomonas?

A

P. aeruginosa = wound and UTI

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10
Q

Azotobacter and azomonas (3)

A
  1. Non pathogenic
  2. Nitrogen fixing
  3. Gram-negative
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11
Q

Moraxella (3)

A
  1. Pathogenic
  2. Cause infection of the eye
  3. Gram-negative
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12
Q

What is an example of moraxella?

A

M. lacunata = causes conjuctivitis

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13
Q

Acinetobacter (3)

A
  1. Pathogenic
  2. Non motile bacteria
  3. Gram-negative
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14
Q

What are 4 examples of legionellales?

A
  1. Legionella
  2. Coxiella
  3. Vibrionales
  4. Enterobacteriales
  5. Pasteurellales
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15
Q

Legionella (5)

A
  1. Pathogenic
  2. Respiratory disease
  3. Associated with cooling systems and spreading to internal systems of buildings
  4. Often grows in cooling water
  5. Gram-negative
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16
Q

Coxiella (4)

A
  1. Pathogenic
  2. Causes Q fever
  3. Very resistant to treatment
  4. Gram-negative
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17
Q

What is an example of coxiella?

A

C. burnetii = causes Q fever and is transmitted via aerosols or milk

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18
Q

Vibrionales (4)

A
  1. Pathogenic
  2. Found in aquatic habitats
  3. Contamination of water
  4. Gram-negative
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19
Q

What doe vibrio cholerase cause?

A

Chloera

- very motile in water and has the ability to spin

20
Q

What is an example of vibrionales?

A

V. parahaemolyticus = causes gastroenteritis

21
Q

What does vibro mean?

A

Back and forth movement

22
Q

What are 10 examples of enterbacteriales?

A
  1. Escherichia
  2. Salmonella
  3. Shigella
  4. Klebsiella
  5. Serratia
  6. Proteus
  7. Yersinia
  8. Erwinia
  9. Enterobacter
  10. Cronobacter
23
Q

What are enterbacteriales commonly called?

A

Enterics

- they inhabit the intestinal track; ferment carbohydrates

24
Q

Enterbacteriales (2)

A
  1. Facultative anaerobes

2. Peritrichous flagella

25
Q

Escherichia (3)

A
  1. Pathogenic
  2. E.coli: indicator of fecal contamination = causes food borne disease and UITs
  3. Gram-negative
26
Q

Salmonella (3)

A
  1. Pathogenic
  2. Common form of food borne illness
  3. Gram-negative
27
Q

What is an example of salmonella?

A

Salmonella typhi = causes typhoid fever

28
Q

Shigella (3)

A
  1. Pathogenic
  2. Causes bacillary dysentery
    - infection of the GI tract
  3. Gram-negative
29
Q

Klebsilla (2)

A
  1. Pathogenic

2. Gram-negative

30
Q

What is an example of klebsilla?

A

K. pneumoniae = causes pneumonia

31
Q

Serratia (4)

A
  1. Pathogenic
  2. Produces a red pigment
    - can contaminate food and give it its red tint
  3. Common cause of nosocomial infections
  4. Gram-negative
32
Q

Proteus (3)

A
  1. Non pathogenic
  2. Swarming motility; colonies form concentric rings
    - form and spread via different shapes
  3. Gram-negative
33
Q

Yersinia (4)

A
  1. Pathogenic
  2. Y.pestis causes the plague
  3. Transmitted via fleas
  4. Gram-negative
34
Q

Erwinia (3)

A
  1. Non pathogenic
  2. Plant pathogens
  3. Gram-negative
35
Q

Enterbacter (2)

A
  1. Pathogenic

2. Gram-negative

36
Q

What are 2 examples of enterbacter?

A
  1. E. cloacae
  2. E. aerogenes
    - both cause UTI and nosocomial infections
37
Q

Cronobacter (2)

A
  1. Pathogenic

2. Gram-negative

38
Q

What is an example of cronobacter?

A

C. sakazakii = causes meningitis

- found in a variety of environments and food

39
Q

What are 2 examples of pasteurellales?

A
  1. Pasteurella

2. Haemophilus

40
Q

Pasteurella (3)

A
  1. Non pathogenic
  2. Pathogen of domestic animals
  3. Gram-negative
41
Q

What is an example of pasteurella?

A

P. multocida is transmitted to humans via animal bites

42
Q

Haemophilus (4)

A
  1. Pathogenic
  2. Love for blood
  3. Require X factor (heme) and V factor (NAD+ and NADP+) in media
  4. Gram-negative
43
Q

What is an example of haemophilus?

A

H. influenzae = causes meningitis and epiglottitis

44
Q

What is an example of a deltaproteobacteria?

A

Myxococcales

45
Q

Myxococcales (4)

A
  1. Non pathogenic
  2. Moves by gliding and leaves a slime trail
  3. Cells aggregate and form a fruiting body containing myxospores
  4. Gram-negative
46
Q

What are the 6 phases in myxococcales?

A
  1. Myxospores –> myxospores are resistant resting cells released from sporangioles upon favourable conditions
  2. Germination –> myxospores germinate and form gram-negative vegetative cells, which divide to reproduce
  3. Vegetative growth cycle –> vegetative myxobacteria are motile by gliding, forming visible slime trails
  4. Aggregation –> under favourable conditions, the vegetative cells swarm to central locations, forming an aggregation
  5. Mounding –> aggregation of cells heap up into a mature fruiting body, which produces myxospores packed with sporangioles

Bio 459 - Diseases (21 decks)

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