Streptococci (1): General characters and classification "Medical microbiology "الميكروب السبحي

Microstudy/Dr Ahmed Talaat قناة متخصصه لشرح مادة الميكروبيولوجي والمناعة لجميع طلبة الكليات العملية Dr.Ahmed Talaat - Lecturer of microbiology and immunology lecture: Streptococciالميكروب السبحي Morphology: Gram positive cocci arranged in chains The most important species are: 1.streptococcus pyogen 2.streptococcus agalactia 3.viridans streptococci 4.streptocooc pneumonia Classification of streptococci A. Classification based on hemolysis on blood agar: -Beta-Hemolytic streptococci -Alpha-Hemolytic streptococci -non-hemolytic streptococci B. Lancefield classification (serological classification) : Group A β-hemolytic streptococci (S. pyogenes) is distinguished from Group B β-hemolytic streptococci (S. agalactiae) because it has a different C carbohydrate antigen Link of all lectures of Streptococci Diseases caused by streptococcus pyogens “Systematic Bacteriology    • Streptococci (3): Diseases caused by Strep...   Acute Rheumatic Fever (ARF)-Post streptococcal disease “Systematic Bacteriology    • Streptococci (4): Rheumatic Fever  الحمى ا...   Summary of streptococci    • Streptococcus pyogenes(Summary) “Medical m...   S.agalactia and viridans streptococci    • Streptococci (7): Streptococcus  agalactia...   #Microstudy #streptococci #Streptococcus_pyogen