Virulence Factors

Question 1

Mycoplasma mycoides subsp mycoides virulence factor

Answer 1

Galactan in mucus capsule

Question 2

Actinobacillus pleuropneumoniae virulence factors

Answer 2

RTX toxin
LPS
Capsule
Fimbrial adhesins
Iron-binding proteins
Urease
Metalloproteinase

Question 3

Rhodococcus equi virulence factor

Answer 3

VapA (plasmid)

Question 4

Burkholderia mallei virulence factor

Answer 4

BpaB protein
Biofilm
Adhesins
Type IV pilin protein
Type III and IV secretion systems
LPS capsule

Question 5

Streptococcus pneumoniae

Answer 5

Polysaccharide capsule (most important)
Pneumolysin
Adhesins

Question 6

Bordetella bronchiseptica virulence factors

Answer 6

RTX toxin (adenylate cyclase toxin)
Adhesins (filamentous hemagglutinin, fimbriae)
Dermonecrotic toxin
Lipoligosaccharide

Question 7

Mycobacterium virulence mechanism

Answer 7

Secrete IL12 to stimulate TH1 response

Question 9

Yersinia pseudotuberculosis virulence factors

Answer 9

Plasmid pYV
Invasion
YadA
Ail

Question 10

Mannheimia hemolytica virulence factors

Answer 10

RTX toxin (leukotoxin)
LPS
Polysaccharide capsule
Iron-regulated membrane proteins

Question 11

Klebsiella pneumoniae virulence genes in HMV phenotype

Answer 11

Capsular serotypes K1 and Kw with MagA and rmpA genes

Question 12

Brucella abortus virulence factors

Answer 12

LPS of capsule (smooth strain with O-side chain worse)

Question 13

Salmonella pullorum virulence factors

Answer 13

Type III secretion system
Plasmids
Fibria
Pathogenicity islands