Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf ·...

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Transcript of Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf ·...

Page 1: Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf · Corynebacterium diphtheriae •Biotypes: 1. Gravis 2. Intermedius 3. Mitis Pathogenicity
Page 2: Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf · Corynebacterium diphtheriae •Biotypes: 1. Gravis 2. Intermedius 3. Mitis Pathogenicity

Corynebacterium • Description

– Gram-positive Bacilli

– Non acid fast

– Diphtheroids

– Corynebacterium diphtheriae

Page 3: Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf · Corynebacterium diphtheriae •Biotypes: 1. Gravis 2. Intermedius 3. Mitis Pathogenicity

Corynebacterium diphtheriae

• Biotypes:

1. Gravis

2. Intermedius

3. Mitis

Pathogenicity associated with Toxin

Page 4: Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf · Corynebacterium diphtheriae •Biotypes: 1. Gravis 2. Intermedius 3. Mitis Pathogenicity

Corynebacterium diphtheriae

• Diphtheria

• Pathogenesis

Page 5: Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf · Corynebacterium diphtheriae •Biotypes: 1. Gravis 2. Intermedius 3. Mitis Pathogenicity

Corynebacterium diphtheriae

• Diphtheria

• URT infection

• Production of exotoxin

• Systemic effects on Heart and Peripheral tissues

Page 6: Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf · Corynebacterium diphtheriae •Biotypes: 1. Gravis 2. Intermedius 3. Mitis Pathogenicity

Corynebacterium diphtheria

• Types of diphtheria

• Non toxigenic clinical manifestations

• Complications

Page 7: Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf · Corynebacterium diphtheriae •Biotypes: 1. Gravis 2. Intermedius 3. Mitis Pathogenicity

Corynebacterium diphtheria

• Epidemiology

Transmission

Page 8: Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf · Corynebacterium diphtheriae •Biotypes: 1. Gravis 2. Intermedius 3. Mitis Pathogenicity

Corynebacterium diphtheria

• Laboratory diagnosis

– Clinical symptoms, presumptive

– Tinsdale agar

– Loeffler serum slope

– Toxigenicity testing (Elek test)

Page 9: Corynebacterium - fac.ksu.edu.safac.ksu.edu.sa/sites/default/files/lec_6_corynbacterium.pdf · Corynebacterium diphtheriae •Biotypes: 1. Gravis 2. Intermedius 3. Mitis Pathogenicity

Corynebacterium diphtheria

• Treatment

• Vaccination

• Control