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Файл:3-4_Streptococcus & Enterococcus.ppt
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- •STREPTOCOCCUS
- •REVIEW
- •Common Cell Membrane
- •Gram-Positive Cell Wall
- •Peptidoglycan
- •Gram-Positive Cell Wall
- •Gram-Negative Cell Wall
- •Gram-Negative Cell Wall
- •Genus Streptococcus
- •Gram-Positive
- •Genus Streptococcus
- •Genus Streptococcus
- •Antigenic Structure
- •Antigenic Structure
- •Antigenic Structure (cont.)
- •Lancefield Serogroup Classification of
- •Streptococcus
- •Lancefield Serogroup Classification of
- •Streptococcus
- •Lancefield Classification of Beta- Hemolytic Streptococci (cont.)
- •Major Human Diseases of
- •Erysipelas
- •Major Human Diseases of
- •Suppurative Streptococcal Diseases
- •Group A Streptococcal Diseases (cont.)
- •Epidemiology of Acute Streptococcal Infection
- •Nonsuppurative Sequelae of Acute Group A Streptococcal Infection
- •Nonsuppurative Sequelae of Acute Group A Streptococcal Infection (cont.)
- •Determinants of Pathogenicity
- •Extracellular Virulence Factors
- •Extracellellular Virulence Factors (cont.)
- •Extracellular Virulence Factors (cont.)
- •Extracellular Virulence Factors (cont.)
- •Lab Identification of
- •Lab Identification of
- •Group B Streptococcus
- •Group B Streptococcal Infections
- •Grp B Streptococcal Infections (cont.)
- •Age-Specific Attack Rates of Group B
- •Epidemiology of Neonatal Group B
- •Group B Streptococcus
- •CAMP Factor Test
- •Hippurase NEG
- •Grp B Streptococci
- •Streptococcus pneumoniae
- •Streptococcus pneumoniae Infections
- •Pneumococcal Infections (cont.)
- •S.pneumoniae
- •S. pneumoniae: lancet-shaped diplococcus
- •S. pneumoniae Virulence Factors
- •S. pneumoniae Seasonal Incidence
- •Comparison
- •Genetic Variation (Mutation)
- •Beginning of Molecular Genetics
- •Transformation (In vivo) (Griffith)
- •Streptococcus pneumoniae
- •Optochin Sensitivity
- •Enterococcus faecalis Enterococcus faecium
- •Enterococcal Infections
- •Enterococcal Infections (cont.)
- •Important nosocomial pathogen
- •Enterococcus
- •Enterococcus
- •Esculin
- •REVIEW
- •Lancefield Serogroup Classification of
- •Nonsuppurative Sequelae of Acute Group A Streptococcal Infection
- •Nonsuppurative Sequelae of Acute Group A Streptococcal Infection (cont.)
- •Determinants of Pathogenicity
- •Extracellular Virulence Factors
- •Extracellellular Virulence Factors (cont.)
- •Extracellular Virulence Factors (cont.)
- •Extracellular Virulence Factors (cont.)
- •Epidemiology of Neonatal Group B
- •REVIEW
- •Streptococcus pneumoniae Infections
- •S.pneumoniae Virulence Factors
- •Comparison
- •Genetic Variation (Mutation)
- •Beginning of Molecular Genetics
- •Transformation (In vivo) (Griffith)
- •Enterococcal Infections
CAMP Factor Test
Group B |
S. aureus |
|
(Spingomyelinase C) |
||
Streptococcus |
||
(CAMP Factor) |
|
|
|
Group A |
|
|
Streptococcus |
Enhanced
Zone of
Hemolysis
Hippurase NEG
Grp B Streptococci
and
Campylobacter
Hippurase POS
Streptococcus pneumoniae
•Commonly referred to as pneumococcus
•Formerly Diplococcus pneumoniae
Streptococcus pneumoniae Infections
Pneumococcal Infections (cont.)
Epidemiology (cont.)
S.pneumoniae
•Diplococcus
S. pneumoniae: lancet-shaped diplococcus
S. pneumoniae Virulence Factors
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