vibrio, camphylobacter, lawsonia, helicobacter, arcobacter Flashcards
(130 cards)
1
Q
vibrio habitat
A
- water
- intestine aquatic animals
- seafood
2
Q
vibrio morphology
A
small curved rod, one polar flagellum
3
Q
vibrio gram staining
A
neg
4
Q
is vibrio fastidious
A
no
5
Q
vibrio opt temperature
A
lower than 37 degrees
6
Q
vibrio culture
A
- fac anaerobes
- selective culture at pH 8.6
7
Q
vibrio catalase
A
pos
8
Q
vibrio oxidase
A
pos
9
Q
vibrio OF
A
fermentative
10
Q
vibrio pathogenicity
A
pathogens - fac pathogens - saphrphytes
11
Q
vibrio species
A
- v cholerae
- v metschnikovii
- v parahaemolyticus
- listonella anguillarum
12
Q
v cholerae O groups
A
155
13
Q
v cholerae diseases
A
- human cholera
- vomiting and profuse watery diarrhoea
14
Q
biotypes of O1 serotype v cholerae
A
classical and el-tor
15
Q
O139 serogroup v cholerae
A
v cholerae bengal
16
Q
v metschnikovii habitat
A
- water, sewage
- aquatic animals
17
Q
v metschnikovii oxidase
A
neg
18
Q
v metschnikovii pathogenicity
A
poultry haemorrhagic enteritis
19
Q
v parahaemolyticus habitat
A
sea animals
20
Q
v parahaemolyticus virulance factor
A
thermostable haemolysin
21
Q
v parahaemolyticus pathogenicity
A
food borne infection in humans - associated with consumption of raw or undercooked seafood
22
Q
listonella anguillarum habitat
A
marine fish - skin lesions, septicaemia
23
Q
camphylobacter habitat
A
mucus membranes, food
24
Q
camphylobacter morphology
A
medium curved rods, S forms, spiral filaments, one polar flagellum
25
camphylobacter gram staining
neg
26
is camphylobacter fastidious
yes
27
camphylobacter culture
- blood agar
- microaerophilic
- selective culture
- semi solid media
28
c fetus 25 degrees
yes
29
c fetus 42 degrees
no
30
c jejuni 25 degrees
no
31
c jejuni 42 degrees
yes
32
camphylobacter catalse
pos, except for c mucosalis, c sputorum
33
camphylobacter oxidase
pos
34
does camphylobacter have carbohydrate splitting
no
35
camphylobacter biochemiccal characteristics
species, subspecies
36
camphylobacter antigens
cell wall antigens
37
camphylobacter c fetus
c1 and c2
38
camphylobacter c jejuni/c coli
66 serogroups
39
camphylobacter resistance
weak
40
camphylobacter pathogenicity
faculative pathogens - saphrphytes
41
c fetus ssp fetus disease
ovine genital camphylobacteriosis
42
what does ovine genital camphylobacteriosis cause
- in sheep abortion
| - mammals, birds entertitis
43
c fetus ssp fetus abortion of ewe, liver from fetus
round necrotic lesions up to 2cm in diameter with pale raised rims, dark depressed centre on liver surface
44
c fetus ssp venerealis disease
bovine genital camphylobacteriosis
45
bovine genital bacteriosis causes what
- bulls are asymptomatic carriers - infect cows
| - cattle abortion, infertility
46
c jejuni pathogenicity mammals and birds
gut
47
c jejuni pathogenicity sheep
abortion
48
c jejuni pathogenicity dog and human
intestinal camphylobacteriosis
49
c jejuni pathogenicity birds
avian camphylobacter hepatitis
50
c lari pathogenicity
gut, enteritis
51
c coli pathogenicity swine, human
enterocolitis
52
c mucosalis, c hyointestinalis pathogenicity
swine gut, saprophytes
53
c sputorum pathogenicity
saprophytes
54
lawsonia intracellularis habitat
swine enterocytes, obligate intracellular
55
lawsonia intracellularis morphology
curved thin rods
56
lawsonia intracellularis gram staining
neg
57
lawsonia intracellularis culture
enterocyte cell culture
58
lawsonia intracellularis pathogenicity
swine proliferative enteropathy
59
what does swine proliferative enteropathy cause
thickening of the intestinal wall, necrosis of mucusal membrane, enlargement of mesenterial lymph nodes
60
helicobacter habitat
- mammals
| - mucus membranes
61
helicobacter morphology
small curved helical rods, lophotrich flagella
62
helicobacter gram staining
neg
63
helicobacter culture
- microaerophilic
| - fastidious
64
helicobacter catalase
pos
65
helicobacter oxidase
pos
66
helicobacter urease
pos
67
does helicobacter split carbohydrates
no
68
does helicobacter produce cytotoxins
yes, H pylori
69
helicobacter resistance
weak
70
h pylori pathogenicity
human chronic gastritis, gastric/duodenal ulcer
71
h felis pathogenicity
cat, dog
72
h canis species
dog
73
h mustelae species
weasel
74
h acinonychis species
cheetah
75
h bizzozeronii
swine gastric ulcer, dog, cat
76
arcobacter habitat
mucus membranes, genitals and intestines
77
arcobacter morphology
small curved rods, flagella
78
arcobacter gram staining
neg
79
arcobacter culture
- microaerophilic - aerotolerant
| - leptospira and camphylobacter-media
80
a cryaerophilus pathogenicity cattle, swine
abortion, mastitis, faeces
81
a skirrowii pathogenicity cow, pig, sheep
abortion, prepuce of bull, faeces
82
a butzleri pathogenicity human, apes
enteritis
83
a butzleri pathogenicity cattle
abortion
84
spirochaetes habitat
mucus membranes, arthropods, environment
85
spirochaetes morphology
big thick helical filaments, no classical flagella
86
spirochaetes gram staining
neg
87
spirochaetes giemsa staining
with fixation with methanol, methylene-blue and eosin and water
88
spirochaetes india ink staining
yes
89
spirochaetes levaditis silver impregnation staining
yes
90
genera of spirochaetes
- borrelia
- treponema
- brachyspira
- leptospira
91
borrelia, treponema staining
difficult or not possible, animal trial
92
brachyspira, leptospira staining
can be cultured, special demands
93
borrelia habitat
infected animals, rodents, arthropods, tropical countries
94
borrelia morphology
big, periplasmic flagella, irregular
| linear chromosone
95
borrelia species
```
b anserina
b theileri
b burgdorferi
b afzelii
b garinii
b recurrentis
b hispanica
b caucasica
```
96
b anserina staining
fuchsin, giemsa, levaditis silver impregnation
| unstained
97
b anserina culture
fastidious, embryonated egg, animal trial
98
b anserina resistance
weak
99
b anserina pathogenicity
avian borreliosis, hen, turkey, pheasant, goose, duck
100
b burgdorferi, b afzelii, b garinii staining
giemsa, unstained
101
b burgdorferi, b afzelii, b garinii culture
difficult, fastidious
102
b burgdorferi, b afzelii, b garinii pathogenicity
natural hosts - small rodents, ticks
| lyme disease- humans, dog, horse
103
treponema habitat
infected aniamsl, humans, mucus membranes of oral cavity adn genital
104
treponema staining
pathogenic species cannot be stained, or staining is poor
105
treponema culture
pathogenic species cannot be cultured
106
treponema species
t pallidum, t paraluiscuniculi, t denticola, t parvum
107
t pallidum disease
human syphilis
108
t paraluiscuniculi disease
rabbit syphilis
109
brachyspira habitat
swine large intestine
110
brachyspira morphology
medium helical rods
111
brachyspira staining
fuchsin, giemsa, unstained
112
brachyspira culture
obligate anaerobic, fastidious
113
b hyodysenteriae culture is it fastidious
yes
114
b hyodysenteriae selective isolation
spectinomycin
115
b hyodysenteriae culture
obl anaerobic, blood agar 3-7 days, beta-haemolysis
116
b hyodysenteriae antigens
9 serogroups
117
b hyodysenteriae resistance
weak, 1 week in faeces
118
b hyodysenteriae pathogenicity
fac pathogenic, swine dysentery
119
b pilosicoli
weak haemolysis, swine intestinal spirochaetosis
120
b intermedia disease
swine spirochaeta colitis
121
b intermedia haemolysis
weak
122
b innocens features
saprophyte, weak haemolysis, biochemical differences
123
leptospira habitat
infected animals, environment, water
124
leptospira morphology
big helical rods, hooked
125
leptospira staining
unstained, levaditis silver impregnation
126
leptospira culture
aerobic, liquid or semisolid, nutrients, korthof medium
127
leptospira what kind of nutrients are needed for culture
free fatty acids, inorganic N, vitamins B1 and B12
128
what kind of lipase production is characteristic for leptospira
extracellular
129
leptospira resistance
weak, 60 degrees minutes, dry enviro hours, natural waters weeks
130
leptospira species
```
65 ssp
l interrogans
l borgpetersenii
l kirschneri
l biflexa
l weilii
```
