Enterobacteriaceae Flashcards Preview

Microbiology:Bacteriology > Enterobacteriaceae > Flashcards

Flashcards in Enterobacteriaceae Deck (48):
1

not normal flora
true pathogens

"YerSaShi"
Yersinia
Salmonella
Shigella

2

not motile

"SKY"
Shigella
Klebsiella
Yersinia

3

Encapsulated

Klebsiella

4

Extended Spectrum B-Lactamase

Escherichia coli
Klebsiella

5

Causes UTI

"PEK"
Proteus mirabilis
Escherichia coli
Klebsiella pneumoniae

6

Urease positive

"SPEK"
Serratia
Proteus
Enterobacter
Klebsiella

7

PAD (Phenylalanine deaminase positive)

"ProM"
Proteus
Providencia
Morganella

8

Sorbitol negative

E.coli O157:H7

9

Rapid urease producers in Christensen's agar

Proteus
Morganella

10

Citrate positive

"SPECKS"
Salmonella
Providencia
Enterobacter
Citrobacter
Klebsiella
Serratia

11

DNASE positive

Serratia

12

primary marker for fecal contamination of water purification

E.coli

13

E. coli antigen that cross reacts with Shigella

O antigen

14

E.coli antigen that causes neonatal meningitis

K1 antigen

15

cause of currant-jelly like sputum

Klebsiella pneumoniae

16

most virulent factor of Klebsiella pneumoniae

capsule

17

chronic atrophic rhinitis

K. pneumoniae subspp. OZONAE

18

granuloma of nose

K. pneumoniae subspp. RHICOSCIEROMATIS

19

lysine decarboxylase negative Enterobacter

E. cloacae

20

arginine decarboxylase negative Enterobacter

E. aerogenes

21

contaminant of powdered infant milk formula

Cronobacter (Enterobacter) sakazakii

22

triple decarboxylase negative

Pantoea agglomerans

23

red pigment of Serratia

prodigiosin

24

potato-like odor Serratia/musty pungent

S. odorifera

25

cause osteomyelitis after motorcycle accident

Serratia plymuthica

26

beer wort of breweries

Hafnia alvei:biotype 1

27

associated with renal stone formation

Proteus

28

shows swarming motility

Proteus mirabilis

29

odor of Proteus spp

burnt chocolate/burnt gun powder odor

30

plant pathogen

Erwinia

31

bacilli in cold blooded animals

Edwardsiella

32

cause of endocarditis in IV drug users

Citrobacter freundii

33

most serious Enterobacteriaceae

Salmonella

34

colonial morphology of Salmonella

colonies have black centers (SSA)
green (HE agar)

35

peanut butter outbreak

Salmonella Typhimurium

36

Typhoid fever unique characteristic

rose spots at second week of fever

37

Gay bowel Syndrome

Shigella flexneri

38

characterised by rectal prolapse

bacillary dysentery
** caused by S. dysenteriae type 1

39

bipolar staining/safety pin appearance

Yersinia pestis

40

appearance of Yersinia pestis in broth

stalactite apperance

41

bull's eye colonies in CIN

Yersinia enterocolitica

42

ferment rhamnose

Yersinia pseudotuberculosis

43

triple decarboxylase positive organism

Plesiomonas shigelloides

44

colonial morphology of Plesiomonas shigelloides in CIN agar

Apron like colonies

45

optimal temperature for Yersinia and Serratia

1-5C

46

ratio of lactose:sucrose:glucose in TSIA

10:10:1

47

difference of KIA from TSIA

KIA: no sucrose

48

VP reagent

40% KOH; alpha naphtol