Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Elsevier Mycology (RVSP) > 10. Fungus-like Bacteria > Flashcards

10. Fungus-like Bacteria Flashcards

1
Q

Minor genera that are fungus-like bacteria

A

Rhodococcus
Actinomadura
Nocardiopsis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Anaerobic fungus-like bacteria

A

Actinomyces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Aerobic fungus-like bacteria

A

Nocardia

Streptomyces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Fungus-like bacteria that stains partially acid-fast

A

Nocardia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Produced by all fungus-like bacteria

A

Granules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Oxygen requirement of Actinomyces spp.

A

Obligate aerobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Gram-reaction of Actinomyces spp.

A

Gram positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Fungus-like bacteria that produces yellow sulfur granules

A

Actinomyces spp.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Most common Actinomyces spp.

A

Actinomyces israelii

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Most common Nocardia spp.

A

Nocardia asteroides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Nocardia spp. most important in tropical areas

A

Nocardia brasiliensis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Disease caused by Nocardia spp.

A

Nocardiosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Gram reaction of Nocardia spp.

A

Gram variable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Acid fast reaction of Nocardia spp.

A

Modified acid-fast bacilli positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Oxygen requirements of Nocardia spp.

A

Strictly aerobic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Filamentous and branching seen on microscope

A

Nocardia spp.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Nocardia colonies usually form within _______, but may require up to __________

A

4 days; 2-4 weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Has “moldlike” colonies

A

Nocardia spp.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Has a distinct strong mildew odor

A

Nocardia spp.

20
Q

Has a gram-variable or “beaded” appearance

A

Nocardia spp.

21
Q

Describe the “beaded” appearance of Nocardia spp.

A

Alternating gram-positive and gram-negative segments along a filament

22
Q

What is the appearance of Nocardia spp. under suboptimal conditions?

A

Uniformly gram-negative

23
Q

Acid fast stains for Nocardia spp.

A
  • Modified Ziehl-Neelsen

- Kinyoun acid-fast stain

24
Q

Used to differentiate Nocardia spp. and other aerobic actinomycetes

A

Tap water agar morphology

25
Q

Appearance of Nocardia spp. on tap water agar

A

Has branching hyphae with aerial hyphae

26
Q

Differentiate N. asteroides and N. brasiliensis based on biochemical characteristics

A

N. brasiliensis: hydrolyzes casein and tyrosine

N. asteroides: does not hydrolyze casein, xanthine, or tyrosine

27
Q

A soil saprophyte associated with domestic farm animals

A

Rhodococcus equi

28
Q

Colonies of R. equi form in

29
Q

Gram reaction of R. equi

A

Gram-positive coccobacillus

30
Q

Has glistening, smooth, pink to red colonies

31
Q

Sometimes partially acid-fast

32
Q

Biochemical characteristics of R. equi

A

Does not hydrolyze casein, tyrosine, or xanthine

33
Q

Has a musty smell

A

Streptomyces spp.

34
Q

Streptomyces spp. found in soil

A

Streptomyces griseus

35
Q

Aerial, tertiary branching on tap water agar

A

Streptomyces spp.

Actinomadura spp.

36
Q

Streptomyces spp. form colonies within

A

3-5 days at 35°C

37
Q

Gram reaction of Streptomyces spp.

A

Gram-positive filamentous bacilli

38
Q

Biochemical characteristics of Streptomyces spp.

A

Hydrolyzes casein and tyrosine

39
Q

2 common Actinomadura spp.

A

Actinomadura madurae

Actinomadura pelletieri

40
Q

Disease caused by Actinomadura spp.

41
Q

Gram reaction of Actinomadura spp.

A

Gram-positive filamentous bacilli

42
Q

Biochemical characteristics of Actinomadura spp.

A

Hydrolyzes casein and tyrosine

43
Q

Fungus-like bacteria that is thermotolerant

A

Nocardiopsis spp.

44
Q

Causes a very rare case of mycetoma

A

Nocardiopsis spp.

45
Q

3 major genera that are fungus-like bacteria

A

Actinomyces
Nocardia
Streptomyces

Elsevier Mycology (RVSP) (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions