chlamydia, rickettsia

Question 1

is chlamydia obligate intracellular

Answer 1

yes

Question 2

two morphological forms of chlamydia

Answer 2

elementary body

reticulate body

Question 3

what makes up the outer membrane of chlamydia

Answer 3

genus specific LPS

Question 4

chlamydia habitat

Answer 4

mucus membranes - gut, genital, resp

Question 5

type of infection of chlamydia

Answer 5

persistant, subclinical

Question 6

time taken for propagation cycle of chlamydia

Answer 6

48-72hrs

Question 7

chlamydia morphology

Answer 7

small coccoid rod

Question 8

how can we stain chlamydia

Answer 8

stamp, giemsa

Question 9

why cant we culture clamydia on agar

Answer 9

bc their obligate intracellular - need living cells

Question 10

possible ways to culture clamydia

Answer 10

5-7day old embryonated egg
tissue culture
animals

Question 11

where does chlamydia replicate

Answer 11

vacuoles of cells

Question 12

genus specific chlamydia antigens

Answer 12

LPS

Question 13

species specific chlamydia antigens

Answer 13

protein Ags

Question 14

which morphological form of chlamydia has the better resistance

Answer 14

elementary

Question 15

how long can clamydia survive in dust

Answer 15

1-3weeks

Question 16

chlamydia species that affect only humans

Answer 16

c trachomatis, c pneumoniae

Question 17

chlamydia species that infect both animals and humans

Answer 17

c psittaci, c abortus

Question 18

chlamydia species that infect only animals

Answer 18

c felis, c precorum

Question 19

c psittaci species

Answer 19

birds, lots of mammals, humans

Question 20

c psittaci disease in birds

Answer 20

conjunctivitis, diarrhoea, resp infection

Question 21

c abortus disease

Answer 21

abortion in sheep, cattle, goat, and pig

Question 22

c felis disease

Answer 22

cat conjunctivitis

Question 23

c pecorum disease

Answer 23

arthritis, pneumonia, encephalomyelitis in ru

Question 24

c pneumoniae

Answer 24

human pneumonia

Question 25

two families of rickettsiales

Answer 25

rickettsiaceae | anaplasmataceae

Question 26

whats in the cell wall of rickettsiaceae family

Answer 26

peptidoglycan layer

Question 27

rickettsiaceae family genus

Answer 27

coxiella ehrlichia rickettsia neorickettsia

Question 28

coxiella genus species

Answer 28

c burnetii

Question 29

ehrlichia genus species

Answer 29

e canis | e ruminatum

Question 30

rickettsia genus species

Answer 30

r rickettsii r prowazekii r sibirica r conorii

Question 31

neorickettsia genus species

Answer 31

n risticii

Question 32

anaplasma species

Answer 32

``` a marginale a centrale a bovis a ovis a phagocytophilum ```

Question 33

rickettsiales habitat

Answer 33

obligate cell parasites, arthropod vectors, small rodents

Question 34

rickettsiales morphology

Answer 34

coccoid rods, non motile

Question 35

rickettsiales staining

Answer 35

difficult, giemsa, koster, stamp

Question 36

rickettsiales culture

Answer 36

living cells | embryonated eggs, cell culture, animals

Question 37

rickettsiales how are they classified

Answer 37

cell tropism, intracellular or extracellular propagation, vector

Question 38

rickettsiales genera that can propagate in all cell types

Answer 38

rickettsia, coxiella

Question 39

rickettsiales genera that can propagate in lymphoid and endothel cells

Answer 39

ehrlichia, neorickettsia

Question 40

rickettsiales genera that can propagate only in or on erythrocytes, and in lymphoid cells

Answer 40

anaplasma

Question 41

rickettsia genus habitat

Answer 41

reservoir - rodents and arthropods

Question 42

rickettsia genus pathogenicity

Answer 42

r prowazekii r rickettsii r sibirica r conorii

Question 43

r prowazekii disease

Answer 43

epidemic typhus fever - louse

Question 44

r rickettsii disease

Answer 44

rocky mountain spotted fever - ticks

Question 45

r sibirica disease

Answer 45

north-asian tick borne rickettsiosis - ticks

Question 46

r conorii disease

Answer 46

boutouneuse-fever - ticks

Question 47

c burnetii culture

Answer 47

embryonated eggs, also obligate intracellular

Question 48

c burnetii resistance in dust

Answer 48

50 days

Question 49

c burnetii are vectors needed

Answer 49

no

Question 50

c burnetii disease

Answer 50

Q fever

Question 51

ehrlichia and neorickettsia morphology

Answer 51

coccoid

Question 52

ehrlichia and neorickettsia culture

Answer 52

tissue cultures | cannot be cultured in embryonated eggs

Question 53

e canis disease

Answer 53

canine monocytic ehrlichiosis

Question 54

e ruminatium disease

Answer 54

heartwater of ru

Question 55

neorickettsia risticii disease

Answer 55

potomac horse fever

Question 56

anaplasma genus habitat

Answer 56

ticks, ru

Question 57

anaplasma genus culture

Answer 57

no possible in vitro, no cell wall

Question 58

a marginale disease

Answer 58

cattle anaplasmosis, tropical and subtropical countries

Question 59

a ovis disease

Answer 59

sheep, goat anaplasmosis

Question 60

a phagocytophilum disease

Answer 60

tickborne fever of ru, equine granulocytic ehrlichiosis

Question 61

bartonella genus species

Answer 61

b henselase - cat scratch disease

Question 62

bartonella genus staining

Answer 62

Gr-

Question 63

bartonella genus morphology

Answer 63

slightly curved rods

Question 64

bartonella genus culture

Answer 64

blood agar, 3-4wks

Question 65

cat scratch disease incubation time

Answer 65

1-3wks