Salmonella
General characteristics :
•
Gram - we
• Motile &
Flagellated
• Non -
lactose
fermenting
microbe .
•
Oxidase - ve
to Produce
•
Ability Has
blue
•
Growth medium -
Eosin
methylene ( EMB ) ,
Mac
Conkey
• Associated diseases :
Typhoid Fever .
Gastroenteritis .
Bacteremia
Clinically Relevant
sp .
Salmonella enterica the
is
primary species
with
following
•
serotypes :
Typhoid al ( cause typhoid fever )
( as 5. enterica
serotype typhi
(b) So
paratyphi
Non -
Typhoid al ( cause other
diseases )
5. enteritidis foodborne
cc ,
(d) S .
typhimurium
, Pathogenesis :
Reservoir :
tract
•
Typhoid al -
Human GI
• Non
typhoid al -
Farm animals , pets .
Transmission :
( is Fecal - oral route
in
Ingestion of Food products ( contaminated )
enterica inactivated acids Smaller inocula
iii , S is
by
.
.
(
can
infect individuals on antacids or
patients
with achlorhydria .
Virulence :
Vi
•
capsular polysaccharide antigen
( flagellar )
H
antigen
•
0 ( lipopolysaccharide ) antigen
•
•
Pitti
General characteristics :
•
Gram - we
• Motile &
Flagellated
• Non -
lactose
fermenting
microbe .
•
Oxidase - ve
to Produce
•
Ability Has
blue
•
Growth medium -
Eosin
methylene ( EMB ) ,
Mac
Conkey
• Associated diseases :
Typhoid Fever .
Gastroenteritis .
Bacteremia
Clinically Relevant
sp .
Salmonella enterica the
is
primary species
with
following
•
serotypes :
Typhoid al ( cause typhoid fever )
( as 5. enterica
serotype typhi
(b) So
paratyphi
Non -
Typhoid al ( cause other
diseases )
5. enteritidis foodborne
cc ,
(d) S .
typhimurium
, Pathogenesis :
Reservoir :
tract
•
Typhoid al -
Human GI
• Non
typhoid al -
Farm animals , pets .
Transmission :
( is Fecal - oral route
in
Ingestion of Food products ( contaminated )
enterica inactivated acids Smaller inocula
iii , S is
by
.
.
(
can
infect individuals on antacids or
patients
with achlorhydria .
Virulence :
Vi
•
capsular polysaccharide antigen
( flagellar )
H
antigen
•
0 ( lipopolysaccharide ) antigen
•
•
Pitti
