'Streptococci' diaporamas de présentation

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C hair of Medical Biology, M icrobiology, V irology, and I mmunology

C hair of Medical Biology, M icrobiology, V irology, and I mmunology. Staphylococci. Streptococci. Meningococci and Gonococci. Lecturer Prof. S.I. Klymnyuk. Classification. Staphylococci are included in the Firmicutes Bacteria, family Micrococcaceae , genus Staphylococcus .

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TRACING THE CRIMINAL Part two: Streptococcus

TRACING THE CRIMINAL Part two: Streptococcus. L. Institute of Microbiology shows:. Most important streptococci. *in S. agalactiae partial haemolysis only. Survey of topics. Clinical characteristics: Haemolytic streptococci. Clinical characteristics: Viridating streptococci.

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Gram-Positive Cocci Streptococci

6 th lect. bacteriology. Gram-Positive Cocci Streptococci. By Lec . Dr. Thanaa Rasheed Abdulrahman. Streptococci of medical importance are listed in Table 1. 1 All streptococci are catalase -negative. 2 S. bovis is a nonenterococcal group D organism.

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Streptococci

Streptococci. assist. Prof. Zainab Abdul jabar Aldhaher.

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II - Streptococci

II - Streptococci. Characters of Streptococci. Gram positive cocci Chains or pairs Usually capsulated Non motile Non spore forming Facultative anaerobes Fastidious Catalase negative (Staphylococci are catalase positive). Classification of Streptococci:

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GlnR

GlnR. GlnR controls transcription of glnRA operon in B. subtilis via two binding sites. TnrA does not act upon the first site. Schreier et al. 1991 J. Mol. Biol. 220:241 Gutowski and Schreier 1992 J. Bacteriol 174:671 Brown and Sonenshein 1996 J. Bacteriol 178:2450

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Magic Bullets

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Sexually transmitted diseases

Sexually transmitted diseases. Normal flora. Urethra; Diptheroids, Acinetobacter species and enterobacteria. Cervix; usually sterile. Vagian; From puberty to menopause (acid pH in vagina); lactobacilli , anaerobic or microaerophilic streptococci, Bacteroides

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