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Bacteriology > Lab 8 - Pasteurella, Mannheimia, Bibersteinia, Ornithobacterium, Riemerella, Actinobacillus, Haemophilus, Histophilus, Avibacterium, Taylorella. Identification of an unknown bacterium I. > Flashcards

Lab 8 - Pasteurella, Mannheimia, Bibersteinia, Ornithobacterium, Riemerella, Actinobacillus, Haemophilus, Histophilus, Avibacterium, Taylorella. Identification of an unknown bacterium I. Flashcards

1
Q

P. multocida can cause haemolysis on blood agar

A

False

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2
Q

Pneumonia in laboratory rodents is caused by P. caballi.

A

False, (by P. Pneumotropica)

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3
Q

Actinobacillus equuli can cause pyosepticaemia in horses

A

True

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4
Q

Mannheima haemolytica can grow on MacConkey agar.

A

True

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5
Q

Athrophic rhinitis of swine is caused by P. multocida B.

A

False, (by P. multocida D)

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6
Q

P. multocida has five capsule types

A

True

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7
Q

Pasteurella spp. is catalase-negative and oxidase-positive bacteria.

A

False, (both catalase-positive and oxidase-positive bacteria)

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8
Q

Members of the family of Pasteurellaceae are able to live in the environment for a long time.

A

False, (only sort time due to dehydration and cannot replicate in the environment either)

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9
Q

Members of family of Pasteurellaceae can be found on mucous membranes (respiratory tract).

A

True

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10
Q

Histophilus somni needs carbon-dioxide (CO2) for culturing.

A

True

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11
Q

Glässer-disease of piglets is caused by Haemophilus parasuis.

A

True

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12
Q

Swine haemorrhagic-necrotic pleuropneumonia is caused by Actinobacillus suis.

A

False, (by A. pleuropneumoniae)

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13
Q

Taylorella equigenitalis is the causative agent of contagious equine metritis (CEM).

A

True

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14
Q

Cattle lumpy jaw is caused by Actinobacillus lignieresii.

A

False, (by Actinomyces bovis)

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15
Q

Acute systemic pasteurellosis of feedlot lambs is caused by P. multocida D.

A

False, (by B. trehalosi)

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16
Q

Mannheimia haemolytica can cause pneumonia (shipping fever) in cattles.

A

True

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17
Q

Avibacterium paragallinarum needs CO2 and V-factor during culturing.

A

True

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18
Q

Biotype 1 strains of Actinobacillus pleuropneumoniae need X-factor for growth.

A

False, (V-factor demand)

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19
Q

P. multocida can cause fowl typhus.

A

False, (fowl cholera)

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20
Q

On the basis of cell wall antigens P. multocida have 11 serotypes in Heddleston-system.

A

False, (Heddleston system:16, Namioka system: 11)

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21
Q

P. multocida can grow on MacConkey agar.

A

False, (Pasteurella species will not grow on MacConkey agar)

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22
Q

Pasteurella species are non-fastidious bacteria; nutrient agar is enough for isolation.

A

False, (fastidious and cannot culture on nutrient agar or nutrient broth)

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23
Q

R. anatipestifer need V-factor for propagation

A

False

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24
Q

O. rhinotracheale can be found on the mucous membranes of respiratory tract of turkey.

A

True, (also chicken)

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25
H. somni need V-factor for growth.
False, (X, V factor not needed)
26
Glässer-disease is caused by A. suis.
False, (by H. parasuis)
27
A. pleuropneumoniae biotype 1 need X-factor and CO2 for propagation.
False, (V-factor and do not need CO2)
28
P. multocida can cause septicaemia in rabbit.
True, P. multocida A, D.
29
M. haemolytica have 4 capsule types
False, (12 types)
30
P. multocida capsule type B have a hyaluronic acid capsule.
False
31
M. haemolytica have a characteristic smell, like chestnut.
False
32
Pigeon is the most susceptible species to Riemerella anatipestifer infection.
False, (water fowl)
33
Actinobacillus suis can cause beta-haemolysis on blood agar.
True
34
B. trehalosi can cause septicaemia in lambs
True, 4-10 month old lambs
35
B. treholasi have 4 capsule types.
True
36
Pasteurella is not fastidious?
False
37
Taylorella (H.) equigenitalis needs V-factor?
False, (X and V factor not needed)
38
A. seminis can cause epididymitis?
True
39
Avibacterium paragallinarum needs CO2 for culturing.
True, require an enriched CO2(5–10%) atmosphere
40
Glässer-disease of piglets is caused by A.pleuropneumoniae.
False, (by H. parasuis)
41
Taylorella equigenitalis can be found on the mucous membrane of genitals of stallions only.
False, (also clitoris of mares)
42
M. haemolytica can cause arthritis in cattle’s.
True
43
P. multocida have a characteristic smell, like chestnut.
True
44
NAD is need for the propagation of T. equigenitalis.
False
45
O. rhinotracheale is a capnophilic bacterium.
False, (only 10% CO2)
46
A. paragallinarium need X-factor and CO2 for propagation.
False, (CO2 and V-factor demand)
47
Glässer-disease is caused by H. somni
False, (by H. parasuis)
48
Genera of the Family Pasteurellaceae
* Pasteurella, Mannheimia, Bibersteinia * Actinobacillus * Haemophilus, Histophilus, Avibacterium * Other genera relating having shared characteristics with the Family Pasteurellaceae * Ornithobacterium * Riemerella * Taylorella
49
PASTEURELLACEAE 1. Habitat 2. Morphology 3. Staining 4. Culture
1. Habitat: mucous membranes (respiratory way, genitals, alimentary tract) 2. Morphology: 0.5-2 µm coccoid rods 3. Staining: Gram-negative, bipolar staining 4. Culture: • fastidious (yeast extract, blood, pH-susceptibility) • aerobic – facultative anaerobic
50
PASTEURELLA 1. Habitat 2. Morphology 3. Staining
1. Habitat: mucous membranes (respiratory tract) 2. Morphology: 0.5-2 µm coccoid rods 3. Staining: Gram negative, bipolar staining
51
MANNHEIMIA, BIBERSTEINIA 1. Habitat 2. Morphology 3. Staining 4. Culture
``` 1. Habitat: • mucous membranes (resp.) 2. Morphology • 0.5-2 µm coccoid rods 3. Staining: • Gram negative • bipolar staining 4. Culture: • fastidious • yeast extract, blood, pH-susceptibility • β hemolysis ```
52
ACTINOBACILLUS | 1. Habitat
alimentary tract, respiratory and genital ways, mucous membrane
53
A. lignieresii 1. Habitat 2. Morphology 3. Staining 4. Culture
1. Habitat: cattle, sheep oral cavity, rumen 2. Morphology: 1-1.2 µm rods, filaments, sulphur granules in lesions (like: actinomycosis) 3. Staining: Gram negative, bipolar 4. Culture: • aerobic, facultative anaerobic, • poor growth on nutrient agar, • sticks to the agar
54
A. equuli 1. Habitat 2. Morphology 3. Culture
1. Habitat: horse, swine alimentary tract, tonsils, respiratory tract 2. Morphology: 1-2 µm rod, filaments 3. Staining: Gram negative 4. Culture: • large, viscous colonies • some strains can haemolyse
55
A. suis 1. Habitat 2. Morphology/Staining 3. Culture
1. Habitat: swine mucous membranes (respiratory and genital tract) 2. Morphology: Gram negative rods 3. Culture: blood agar, β haemolysis
56
A. pleuropneumoniae 1. Morphology 2. Culture
``` A. pleuropneumoniae 1. Morphology: • coccoid, short rods, some strains fimbria 2. Culture: • fastidious, • ß haemolysis • blood agar, chocolate agar with yeast extract • biotypes: NAD (V factor) demand • biotype 1: V-factor demand • satellitism, NAD, fresh yeast extract • biotype 2: V-factor is not needed ```
57
HAEMOPHILUS, AVIBACTERIUM 1. Habitat 2. Morphology 3. Staining
1. Habitat: mucous membranes of humans and animals (respiratory, genital) 2. Morphology: 0.5-2 µm coccoid rods, filaments, (fimbria) 3. Staining: Gram negative
58
HISTOPHILUS | Species
Histophilus somni (Haemophilus somnus, Histophilus ovis, Haemophilus agni)
59
HISTOPHILUS 1. Habitat 2. Morphology/Staining 4. Culture
1. Habitat: urogenital mucous membranes, respiratory way 2. Morphology: Gram negative rods 3. Culture: • fastidious • X, V factor not needed, • CO2-demand,
60
OTHER GENERA HAVING SHARED CHARACTERISTICS WITH THE FAMILY PASTEURELLACEAE
* Ornithobacterium * Riemerella * Taylorella
61
Ornithobacterium rhinotracheale 1. Habitat 2. Morphology 3. Staining
1. Habitat: some bird species (turkey, chicken) upper respiratory ways 2. Morphology: 1-3 µm rods 3. Staining: Gram negative, bipolar
62
Riemerella anatipestifer 1. Habitat 2. Morphology 3. Staining
1. Habitat: water fowl upper respiratory ways 2. Morphology: 1-3 µm rods 3. Staining: Gram negative, bipolar
63
Taylorella (H.) equigenitalis 1. Habitat 2. Morphology 3. Culture
1. Habitat: • mucous membranes of the genitals of stallions, • clitoris of mares 2. Morphology: Gram negative coccoid rods, filaments 3. Culture: • fastidious • X and V factor not needed, CO2-demand,
64
Identification of an unknown bacterium culture
1. Inoculation on appropriate media 2. Selection of suspected colonies, production of pure cultures 3. Examination of cultural characteristics and colony morphology 4. Primary tests • Gram staining, spores • Examination of movement • Catalase production • Oxidase production • Oxidative – fermentative test (glucose, aerobic/anaerobic prop.) • Identification of the genus or family 5. Secondary tests • Examination of enzymes and products of the carbohydrate metabolism • Examination of enzymes and products of the nitrogen metabolism • Detection of extra cellular enzymes 6. Identification of the bacterium 7. Examination of antibiotic resistance
65
PASTEURELLACEAE | 5. Biochemistry
* catalase +, * oxidase +, * fermentative * toxin production by some species
66
PASTEURELLACEAE 6. Antigens 7. Resistance 8. Pathogenicity
6. Antigens: cell wall antigens, capsule antigens 7. Resistance: weak 8. Pathogenicity: facultative pathogens
67
PASTEURELLA | Culture
* fastidious:yeast extract, blood, pH-susceptibility * colony types: M-S-R colonies * smell
68
PASTEURELLA | Biochemistry
* catalase +, oxidase +, * fermentative * cytotoxin production: P. multocida D, (dermonecrotoxin) * P. multocida subspecies: biochemical differences
69
PASTEURELLA 6. Antigens 7. Resistance
``` 6. Antigens • P. multocida • cell wall: 16 (Heddleston system), 11 (Namioka system) • capsule: A, B, D, E, F 7. Resistance: weak ```
70
PASTEURELLA | Pathogenicity
• P. multocida A, D: ruminants, swine pneumonia, rabbit septicaemia, pneumonia, fowl cholera • P. multocida D: atrophic rhinitis of swine, • P. multocida B, E: haemorrhagic septicaemia • P. pneumotropica: lab. rodents pneumonia, dog, cat oral cavity • P. aerogenes: alimentary tract of swine, abortion • P. canis, P. dagmatis, P. stomatis: dog, cat oral cavity, bite • P. caballi: horse respiratory infection
71
MANNHEIMIA, BIBERSTEINIA | Biochemistry
* catalase +, oxidase +, * fermentative * leukotoxin production
72
MANNHEIMIA, BIBERSTEINIA 6. Antigens 7. Resistance
6. Antigens: • cell wall • capsule: M. haemolytica 12 types, B. trehalosi 4 types 7. Resistance: weak
73
MANNHEIMIA, BIBERSTEINIA | 8. Pathogenicity
- M. (P.) haemolytica (P. haemolytica A): •ruminants pneumonia, •lamb septicaemia, •mastitis, •arthritis. - B. trehalosi (P. haemolytica T, P. trehalosi): acute systemic pasteurellosis of feedlot lambs
74
ACTINOBACILLUS | Species
* A. lignieresii * A. equuli * A. suis * A. seminis * A. ureae * A. pleuropneumoniae
75
A. lignieresii: 5. Biochemistry 6. Antigens 7. Resistance 8. Pathogenicity
5. Biochemistry: catalase +, oxidase +, fermentative, 6. Antigens: cell wall antigens, 6 serogroups 7. Resistance: weak 8. Pathogenicity: cattle, sheep, swine actinobacillosis
76
A. equuli 5. Resistance 6. Subspecies, pathogenicity
5. Resistance: weak 6. Subspecies, pathogenicity: • A. equuli subsp. equuli • A. equuli subsp. haemolyticus both subspecies cause the same disease: • foal: septicaemia, nephritis, pneumonia, arthritis • horse: pyosepticaemia, • swine: septicaemia, arthritis
77
A. suis | Pathogenicity
* swine pneumonia, septicaemia, metritis | * suckling piglet: septicaemia
78
A. seminis 1. Habitat 2. Culture 3. Pathogenicity
1. Habitat: mucous membranes of the genital tract of rams, semen 2. Culture: 10% CO2 blood agar 3. Pathogenicity: facultative pathogenic, inflammation of the accessory glands, epididymitis, abortion
79
A. (Pasteurella) ureae: 1. Habitat 2. Pathogenicity
1. Habitat: human respiratory way | 2. Pathogenicity: human upper respiratory infection
80
A. pleuropneumoniae 3. Biochemistry 4. Antigens 5. Resistance 6. Pathogenicity
3. Biochemistry: Apx I-II-III-IV cytotoxin produced 4. Antigens: 16 serogroups 5. Resistance: weak 6. Pathogenicity: swine haemorrhagic-necrotic pleuropneumonia
81
HAEMOPHILUS, AVIBACTERIUM 5. Biochemistry 6. Antigens 7. Resistance 8. Pathogenicity
5. Biochemistry: examination is difficult 6. Antigens: cell wall antigens, capsule antigens 7. Resistance: weak 8. Pathogenicity: facultative pathogenic
82
HAEMOPHILUS, AVIBACTERIUM | 9. Species
- H. influenzae: human upper respiratory ways, meningitis - H. parasuis: V factor demand, 15 serotypes, porcine polyserositis (Glässer’s disease) - Avibacterium (H.) paragallinarum: • CO2 and V factor demand, • 3 serogroups, 9 subgroups • infectious coryza of hens
83
HISTOPHILUS | 4. Pathogenicity
- facultative pathogenic, - cattle: • septicaemia, • thromboembolic meningoencephalitis (TEME), • calf pneumonia, • abortion • mastitis - sheep: • epididymitis-orchitis, • abortion, • mastitis, • lamb septicaemia
84
Ornithobacterium rhinotracheale 4. Culture 5. Biochemistry 6. Resistance 7. Pathogenicity
4. Culture: fastidious, blood agar, 10% CO2 5. Biochemistry: catalase -, oxidase +, 6. Resistance: weak 7. Pathogenicity: • facultative pathogenic, • turkey, chicken bronchitis
85
Riemerella anatipestifer 4. Culture 5. Biochemistry 6. Resistance 7. Pathogenicity
4. Culture 5. Biochemistry 6. Resistance 7. Pathogenicity
86
TAYLORELLA | Pathogenicity
CEM: contagious equine metritis

Bacteriology (14 decks)

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