Related Experiment Video
Updated: Jan 27, 2026

04:25
Capsular Serotyping of Streptococcus pneumoniae Using the Quellung Reaction
Published on: February 24, 2014
46.6K
Streptococcus pneumoniae: Invasion and Inflammation.
Allister J Loughran1, Carlos J Orihuela2, Elaine I Tuomanen1
1Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105.
Microbiology Spectrum
|March 16, 2019
Summary
Streptococcus pneumoniae causes major infections like pneumonia and meningitis. This review details how the bacterium colonizes, spreads, and causes inflammation and disease.
Area of Science:
- Microbiology
- Immunology
- Infectious Diseases
Background:
- Streptococcus pneumoniae is a primary cause of otitis media, community-acquired pneumonia, and bacterial meningitis.
- Its persistence as a commensal and evasion of the immune system contribute to its success.
Purpose of the Study:
- To review the molecular mechanisms of pneumococcal colonization and spread.
- To discuss inflammatory and cytotoxic mechanisms in pneumococcal infections.
Main Methods:
- Literature review of molecular mechanisms.
- Analysis of colonization, spread, inflammation, and cytotoxicity.
Main Results:
- Detailed review of molecular strategies for pneumococcal colonization and host-cell interaction.
- Discussion of virulence factors contributing to inflammation and tissue damage.
Conclusions:
- Understanding pneumococcal pathogenesis is crucial for developing effective treatments and vaccines.
- Molecular insights into colonization and immune evasion are key to combating pneumococcal diseases.
Related Concept Videos
Inflammation
62.0K
Overview
62.0K
Pneumonia I: Introduction
852
Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
852
Pneumonia II: Pathophysiology
2.8K
The pathophysiology of pneumonia involves the following steps:
2.8K
Pneumonia IV: Management
803
The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
803
Pneumonia V: Nursing management and Prevention
3.5K
Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
3.5K
Pneumonia III: Complications and Assessment
846
Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
846

