Streptococcus pneumoniae serotype 23F

Streptococcus pneumoniae serotype 23F refers to one of more than ninety known capsular types (“serotypes”) of the gram-positive bacterium Streptococcus pneumoniae. The classification “serotype 23F” is based on the structure of its surface-expressed capsular polysaccharide. This particular serotype has been frequently associated with invasive diseases such as bacteremia, meningitis, and respiratory tract infections in both children and adults worldwide. It remains one of the most prevalent disease-causing types globally. The capsule enables evasion from host immunity but also serves as an immunogen in current multivalent pneumococcal vaccines like PPSV23. Serotypes including 19A, 19F, and especially 23F, have shown significant rates of antibiotic resistance in various regions, making them important targets for surveillance programs and vaccine development efforts. Detection methods include measurement of specific IgG antibodies against type-specific antigens, which are also used clinically to evaluate vaccine responses.\n\nIf you require information about a specific molecular component from S. pneumoniae—for example, its capsule biosynthesis enzymes or surface proteins—please specify further so that structured data can be provided at that level.

Other names

S. pneumoniae serotype 23FPneumococcal serotype 23FType 23F pneumococcus

For vaccines targeting this serotype: Induction of anti-capsular antibodies that promote opsonization and clearance by the immune system. For antibiotics: Inhibition of cell wall synthesis or other essential bacterial processes; resistance can occur in this serotype.