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BACTE FINALS 5 > MYCOBACTERIUM TUBERCULOSIS COMPLEX > Flashcards

MYCOBACTERIUM TUBERCULOSIS COMPLEX Flashcards

1
Q

MYCOBACTERIUM TUBERCULOSIS COMPLEX

A
  • Mycobacterium tuberculosis (Koch’s bacillus)
  • Mycobacterium bovis
  • Mycobacterium africanum
  • Mycobacterium canetti
  • Mycobacterium microti
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2
Q
  • Longest replication time
A

MYCOBACTERIUM TUBERCULOSIS

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3
Q

Cord factor

A

VF of MYCOBACTERIUM TUBERCULOSIS

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4
Q

slow-growing; buff color; raised and dry; “CAULIFLOWER-LIKE APPEARANCE”. Rough colonies exhibit “cording” (Curve strands bacilli)

A

culture of MYCOBACTERIUM TUBERCULOSIS

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5
Q

(+) Niacin and Nitrate reduction

A

BT of MYCOBACTERIUM TUBERCULOSIS

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6
Q

20 to 22 hrs

A

replication time for m tuberculosis

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7
Q
  • Tuberculosis in human and animals (cattle, dogs, cat and swine)
A

MYCOBACTERIUM BOVIS

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8
Q
  • Attenuated strain used for vaccination (Bacillus- Calmette-Guerin or BCG vaccine)
A

MYCOBACTERIUM BOVIS

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9
Q

: Slow-growing, small, granular, rounded and non-pigmented

A

Culture of MYCOBACTERIUM BOVIS

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10
Q

(-) Niacin and Nitrate reduction

A

BT of MYCOBACTERIUM BOVIS

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11
Q
  • Associated human cases of tuberculosis in tropical Africa
A

MYCOBACTERIUM AFRICANUM

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12
Q
  • Detection of organism requires the use of spoligotyping (spacer oligotyping
A

MYCOBACTERIUM AFRICANUM

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13
Q
  • Smooth strain of M. tuberculosis
A

MYCOBACTERIUM CANETTI

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14
Q
  • Grows more rapidly than M. tuberculosis (6 days)
A

MYCOBACTERIUM CANETTI

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15
Q
  • Isolated from an AIDS patient with mesenteric tuberculosis
A

MYCOBACTERIUM CANETTI

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16
Q

(+) Niacin and Nitrate reduction

A

BT of MYCOBACTERIUM CANETTI

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17
Q

Isolated from TB patients both immunocompromised and immunocompetent individuals

A

MYCOBACTERIUM MICROTI

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18
Q

M. avium, M. intracellulare, M. avium subsp. Paratuberculosis and M. avium subsp. silvaticum (wood pigeon bacillus)

A

MYCOBACTERIUM AVIUMCOMPLEX Specie

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19
Q
  • Most common cause of Pulmonary infection to human, pathogen in AIDS.
A

MYCOBACTERIUM AVIUM COMPLEX

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20
Q

most common site of colonization and dissemination in AIDS.

A

GI tract

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21
Q

Pleomorphic, short coccobacilli without beading;

A

MYCOBACTERIUM AVIUM COMPLEX

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22
Q

(+) PAS
(+) Heat stable catalase

A

BT of MYCOBACTERIUM AVIUM COMPLEX

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23
Q

Second to M. avium complex to cause NTM lung disease (Chronic cavitary pulmonary lesion)

A

MYCOBACTERIUM KANSASII (YELLOW BACILLUS)

24
Q
  • Not contagious from person to person
A

MYCOBACTERIUM KANSASII (YELLOW BACILLUS)

25
Long rods with distinct crossbanding
microscopy of MYCOBACTERIUM KANSASII (YELLOW BACILLUS)
26
Dark red crystals of 10-B- carotene
photochromogens of MYCOBACTERIUM KANSASII (YELLOW BACILLUS)
27
MB7H10: smooth to rough with dark centers and waxy edges
culture of of MYCOBACTERIUM KANSASII (YELLOW BACILLUS)
28
* Disease of fishes and isolated from aquariums
MYCOBACTERIUM MARINUM
29
Swimming pool granuloma” red or bluish red nodule on the elbow, knee, toe or finger. Occurs when an open wound comes in contact with contaminated chlorinated fresh water or salt water
Causative agent of MYCOBACTERIUM MARINUM
30
Fresh water and salt water
natural reservoir of MYCOBACTERIUM MARINUM
31
: Long rods with cross barring
microscopy ofMYCOBACTERIUM MARINUM
32
* : smooth to tough, wrinkled, yellow
* Culture of MYCOBACTERIUM MARINUM
33
* Third most common Mycobacterium species after M. tuberculosis and M. leprae
MYCOBACTERIUM ULCERANS
34
: Buruli ulcer (painless nodule under the skin after previous trauma)
Cause of MYCOBACTERIUM ULCERANS
35
Moderately long rods without cross- banding
MYCOBACTERIUM ULCERANS
36
smooth, rough and non-pigmented (6- 12 weeks incubation
MYCOBACTERIUM ULCERANS
37
: (+) Heat stable catalase
BT of MYCOBACTERIUM ULCERANS
38
* Contaminates the tap water used by the patients in rinsing their mouths prior to the procedure for sputum collection.
MYCOBACTERIUM GORDONAE (TAP WATER BACILLUS)
39
* Rarely cause infection to human
MYCOBACTERIUM GORDONAE (TAP WATER BACILLUS)
40
Smooth and yellowish-orange colored
MYCOBACTERIUM GORDONAE (TAP WATER BACILLUS)
41
(+) Tween 80 hydrolysis and heat- stable catalase, (-) nitrate reduction
BT of MYCOBACTERIUM GORDONAE (TAP WATER BACILLUS)
42
* Recovered from hot and cold- water taps, hospital storage tanks
Mycobacterium xenopi
43
* Potential pathogen of pulmonary infection in adults
MYCOBACTERIUM XENOPI
44
* Non-photochromogenic and scotochromogenic
MYCOBACTERIUM XENOPI
45
classified with non- photochromogenic group however, colonies are frequently bright yellow.
MYCOBACTERIUM XENOPI
46
Long and filamentous
microscopy of MYCOBACTERIUM XENOPI
47
MB7H10: small with filamentous edges * Cornmeal glycerol agar: branching filaments
culture of MYCOBACTERIUM XENOPI
48
* Growth: 42°C
growth of MYCOBACTERIUM XENOPI
49
(+) heat stable catalase, pyrazinamidase
BT of MYCOBACTERIUM XENOPI
50
* Once incubated in absence of light, they will be
scrotochromogens with yellow pigment at 42°C
51
* Normally saprophytic and rarely causes human infections
MYCOBACTERIUM TERRAE COMPLEX
52
M. terrae, M. triviale and M. nonchromogenicum
specie of MYCOBACTERIUM TERRAE COMPLEX
53
Short to medium coccobacilli
microscopy of MYCOBACTERIUM TERRAE COMPLEX
54
rough and dry
culture of M. triviale
55
smooth
culture of M. terrae:
56
smooth to rough and white to buff
culture of M. nonchromogenicum:
57
(+) Tween 80 hydrolysis and heat stable catalase, (+) growth in 5% NaCl (M. terrae
Biochemical test of YCOBACTERIUM TERRAE COMPLEX

BACTE FINALS 5 (11 decks)

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