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14 cze 2024 · The designations "group C Streptococcus" (GCS) and "group G Streptococcus" (GGS) are used by clinical microbiology laboratories to denote clinical isolates of streptococci that react with Lancefield group C or G typing serum and, like Streptococcus pyogenes (group A Streptococcus), form large colonies on sheep blood agar, typically surrounded ...
Group C and G streptococci are β-haemolytic streptococci that colonize the nasopharynx, skin and genital tract and cause infections similar to group A streptococcus. These include pharyngitis, skin and soft-tissue infections, septic arthritis, osteomyelitis, pneumonia, endocarditis, puerperal sepsis, neonatal sepsis and bacteraemia.
Most streptococci important in skin infections belong to the Lancefield groups A, C and G, and are beta-haemolytic. Streptococci pneumoniae (pneumococci) are bacteria important in pneumonia and meningitis but rarely cause skin disease.
Streptococci carrying serogroup C and G antigens, and in particular, Streptococcus dysgalactiae subsp. equisimilis (SDSE), are emerging human pathogens that are increasingly isolated from patients with a myriad of infections that range from mundane to life-threatening. SDSE is microbiologically similar to Streptococcus pyogenes.
15 paź 2022 · Streptococci infections are divided into several groups: Group A streptococcus, Group B streptococcus, Group C streptococcus, and Group G streptococcus. A culture test is one...
Str. pyogenes (group A streptococcus) is among the most prevalent of human bacterial pathogens. Str. pyogenes and group C and G streptococcal infections range from sore throat, scarlet fever and superficial skin infections to invasive soft tissue infections and septicaemia.
Figure 1. Gram stain of sputum specimen, showing Streptococcus pneumoniae. Figure 2. Streptococcus pneumoniae on blood agar plate. Figure 3. Gram stain of cerebrospinal fluid, with Streptococcus Group B. Related Cases
