Enteric Bacteria

Question 1

Helicobacter

Answer 1

Mammals mucous membrane , Hu stomach, duodenum
Helical rod (curved)
Flagella
Weak resistance
Microaerophilic
Fastidious (BA)
UREASE , catalase, oxidase positive

1. H. Pylori: human chronic gastritis (ulcers)
2. H. Felis
3. H. Canis
4. H. Bozzozeronii: su,ca

Question 2

Arcobacter

Answer 2

Mucous membranes
Curved rod
Flagella
Microaerophilic

1. Cryaerophilus: bo,su abortion, mastitis
2. Skirrowii: Ru, su: abortion
3. Butzleri: hu : enteritis , Bo: abortion

Question 3

Campylobacter

Answer 3

Mucous membranes+ food
Curved rod
Blood agar
Microaerophilic
Facultative pathogen/ saprophyte

1.C. fetus ssp. Fetus: ovine genital campylobactrrosis
(Abortion). Other sp. Enteritis
2. C. Fetus ssp. Veneralis: bovine genital campylobavterosis (abortion, bulls - carriers)
3. Jejuni: 42c° ru: abortion , hu+ca: intestinal campylobactrrosis
4. C. Coli: su,hu - enterocolitis

IMPORTANT; C. Fetus 25c° , C. Jejuni 42c°

Question 4

Vibrio

Answer 4

Water , oro-faecal transmission, food
Curved rod
Flagella
Not fastidious
Facultative anaerobe
Catalase, oxidase positive

1. V. cholerae: hu cholera (life threatening enteric infection). Vomiting+diarrhrea
2. V. Parahaemolyticus: sea animals (crabs,shellfish)
   Viro factor: thermostaible haemolysin - food (raw seafood) born infection in hum
3. V. Metschnikovii: poultry haemorragic enteritis

Question 5

Lawsonia

Answer 5

Obligate IC
Swine enterocyes
Curved thin rod
Microaerophilic
Enterocyte cell culture

L. Intracellularis: swine proliferative enteropathy- necrosis of intestine

Question 6

Pseudomonas

Answer 6

Soil, water, usually NOT in microflora
Flagellated rods
Not fastidious
Obligate aerobic
B-haemolysis
Blue-green pigment
Grapy odor

1. P. Aeruginosa: C+,O+ , O,H,F, Ag dog: otitis externa , Ru+eq; mastitis, metritis
2. P. Anguilliseptica : salmon , eel : septicaemia, haemorrages

Question 7

Burkholderia

Answer 7

Formerly pseudomonas
Mucous membranes (b. Mallei)
Soil, water ( B. Pseudomallei)
Not fastidious , obligate aerobic , glycerol support 

1. B. Mallei: no flagella, no pigment C+O + : Malleus in eq hu (fever, sweating)
2. B. Pseudomallei: flagella, pigment, meliodosis (all domestic) - pneumonia, fever

Question 8

Aeromonas

Answer 8

Water,gut
Flagellated rod
Facultative anaerobica

1. A. Hydrophila: haemolysis, facultative pathogen, colonise farm animals
   Snake,frog, fish: septicaemia
2. Salmonicida: coccobacillus, 20c° , dark pigment
   Facultative pathogenic : fish frunculosis