Medical Microbiology

284 4 BacteriaasHumanPathogens

Table4. 7 ExcerptfromtheKauffmann–WhiteSchemewhichCoversOver 2000

Serovars

Group Serovar Oantigens Hantigens

Phase 1 Phase 2

A ParatyphiA 1 , 2 , 12 a –

B Schottmuelleri(syn.ParatyphiB)

Typhimurium

1 , 4 ,(5), 12

1 , 4 ,(5), 12

b

i

1 , 2

1 , 2

C1 Hirschfeldii(syn.ParatyphiC)

Choleraesuis

6 , 7 ,(Vi)

6 , 7

c

(c)

1 , 5

1 , 5

C2 Newport 6 , 8 e,h 1 , 2

D1 Typhi

Enteritidis

Dublin

Gallinarum

Panama

9 , 1 2,(Vi)

1 , 9 , 1 2,(Vi)

1 , 9 , 1 2,(Vi)

1 , 9 , 12

1 , 9 , 12

d

g,m

g,p

• 
  

  I,v

  
  

  (1,7)

  
  
  
  
  • 1 , 5
  
  
  
  

E1 Oxford 3 , 10 a 1 , 7

Parenthesesindicatethattheantigenisoftennotpresent.TheViantigenis,strictly

speaking,actuallyaKantigen.Thenumbersinboldtypeindicatetheantigenthat

characterizestheOgroup.

HPhaseVariationinSalmonellae

H2 rh 1 P H1

H2 flagellin Repressor

H1 flagellin

H2 rh 1 P H1

P

P

Fig.4. 18 P=promoter,H2=H2phasegene,H1=H1phasegene,rh1=regulator

geneforH1,hin=genecodingfortheDNAinvertase.Thehorizontalarrowsshow

thedirectioninwhichthegeneticinformationisreadoff.

4

Kayser, Medical Microbiology © 2005 Thieme