TABLE V 
CULTURAL 
CHARACTERISTICS 
Motility 
Flagella 
* Staining 
GtLATlNt 
Cultuku. 48 Hours : 20° C. 
Blood Sirum 
(ur.ll.lXik 
Jfth B.iypho.u>) 
LlTMUl M 
lk = 37° C. 
TaVROCHOLATE-LACTOH 
N JUTRAL-RtD 
CLUcoit Agar 
Lactok 
Litmus Agar 
Sugar Mum 
48 houn : 4s 1 C 
GlvcCmmi 
Pin-ox*- 
H,S 
Relation 
With aniline 
dye, 
By Grim 
PllIM 
Streak 
Stab 
JSC 
4lhMin, i7 ' C. 
41 bourn 37' C. 
a+hou..: 37 0 C. 
a 4 h OU ri:37 B C 
46 hourt : 4 1° C. 
48 hour. : 37= C. 
48 hour,: J?' C 
S dajri : 37' C. 
£= 
Litmui 
Watih 
6 d>>. : 37' C 
Imlol 
Oxygen 
Guur ur 
B. TYrHCHUi 
Short rods, 
1.0—3.0 ft, by 
0.6—0.8 fi ; 
long forms in 
old cultures ; 
Active 
8-I + 
Stains well 
• 
Stitt.uf rrhniet ; 
small, translucent, 
greyish- white, 
irregularly rounded, 
Deep : yelli iwish, 
Flat, translu- 
cent, whitish, 
shiny growth ; 
not spreading 
Delicate, 
greyish 
growth ; 
Flat, greyish, 
translucent 
growth ; 
many small, 
discrete 
Delicate, 
greyish-while 
growth ; 
colonies 
Uniformly 
pellicle rare 
Usually 
.lelicate, moist 
visible growth 
Acid : 
no clot 
Acid : 
no clot 
Usually 
alkaline 
Usually 
Surface colonies : 
Small, 
semi-transparent, 
greyish-white j 
Deep ; more opaque ; 
No change 
Blue colonies 
Acid 
Acid : 
no gas 
No fermen- 
dccolour- 
Nil 
Acid : 
no gas 
Acid 
+ 
B^EKTMITIDN 
Like B. 
typhosus ; 
lung forms rare 
Active 
8-IO 
Often 
irregular ; 
ires deeply 
Like B. typhosus, 
but granular, 
not sulcatc 
Like B. 
typhosus, 
but more 
Like B. 
typhosus 
More 
luxuriant than 
B. typhosus 
Many large, 
white, 
coalescing 
colonies 
Uniformly 
regularly 
Greyish- 
white, shiny 
growth ; 
ing 
Transient 
Alkaline 
Increasingly alkaline ; 
Like B. typhosus ; 
no haze 
dccolouri/a- 
fluoresccnce 
Blue colonics 
Alkaline after 
acidity 
Acid ; gas 
Likc B. 
typhosus 
No fcrmcn- 
decolour- 
Acid : gas 
Neutral or 
0 
+ 
facultative anaei 
Bkuuh 'f 
Like B. 
typhosus ; 
long forms very 
than 
B. typhosus 
8-IO 
Stains well ; 
usually polar 
staining 
Like B. cnteritidis 
Like B. 
More 
luxuriant than 
B. typhosus 
• 
Like B. 
entcritidis 
Like B. 
Like B. 
cnteritidis 
More 
B. cnteritidis 
Acid : 
no clot 
Acid ; 
no clot 
no clot aft 
jty acid 
Like B. typhosus ; 
no haze 
Like B. 
cnteritidis 
Blue colonics 
Acid 
Acid : gas 
Like B. 
typhosus 
Like B. 
cnteritidis 
Acid : gas 
Neutral or 
faintly 
+ 
+ 
Group of 
B. con 
Usually short 
long forms 
Usually 
sluggish 
4.-8 
Stains well 
Surface colonies : 
upacjuc, yellowish, 
round, granular 
Deep i yellow, 
whetstone-shaped 
Raised, 
yellowish, 
opaque, shiny, 
spreading 
growth 
Like 
bacillus 'L' 
spreading, 
greyish 
grow tli 
growth ; no 
discrete 
colonics 
pellicle 
variable 
spreading 
growth ; 
later, brown 
Acid : 
clot 
lj ._. 
Suffice colonies ; 
Large, opaque, 
yellowish, spreading ; 
many with orange 
Like B. 
Red colonies 
Acid 
Acid : gas 
Acid : gas 
(Esc h Erich's 
B. coli docs 
not ferment 
saccharose 
Acid 
+ 
+ 
