Simkania negevensis: Is it a real respiratory pathogen?
Mehmet Kose1, Duygu Ekinci, Selma Gokahmetoglu
1Department of Pediatrics, Division of Pediatric Pulmonology Unit, Erciyes University , Kayseri , Turkey.
Acta Microbiologica Et Immunologica Hungarica
|July 2, 2015
Summary
Simkania negevensis, a Chlamydia-like organism, was evaluated for pediatric respiratory infections. This study found no evidence of S. negevensis in children with pneumonia, bronchiolitis, or asthma exacerbation in our region.
Area of Science:
- Microbiology
- Infectious Diseases
- Pediatric Respiratory Health
Background:
- Simkania negevensis is a Chlamydia-like organism linked to respiratory infections.
- Potential role in pediatric community-acquired pneumonia, bronchiolitis, and asthma exacerbation requires investigation.
Purpose of the Study:
- To assess the prevalence and etiological role of Simkania negevensis in pediatric respiratory illnesses within a specific region.
- To determine if S. negevensis contributes to community-acquired pneumonia, bronchiolitis, or asthma exacerbations in children.
Main Methods:
- Real-time PCR was employed to detect Simkania negevensis.
- Nasopharyngeal swab samples were collected from 102 pediatric patients and 46 healthy controls.
- Samples were analyzed using specific primers from Primer Design, UK.
Main Results:
- Simkania negevensis was not detected in any of the nasopharyngeal swab samples.
- No significant difference in S. negevensis detection rates was observed between the patient and control groups.
- The organism was absent in children diagnosed with pneumonia, bronchiolitis, and asthma exacerbation.
Conclusions:
- Simkania negevensis does not appear to be a significant respiratory pathogen in the studied pediatric population.
- Further research may be needed to confirm these findings in other geographical areas.
- Current evidence suggests S. negevensis is not a primary etiological agent for these respiratory conditions in the region.
Related Concept Videos
Pneumonia II: Pathophysiology
4.3K
The pathophysiology of pneumonia involves the following steps:
4.3K
Common Respiratory Disorders
1.8K
Respiratory disorders, a prevalent health concern globally, are generally divided into two primary categories: upper and lower respiratory tract disorders. The categorization is based on the area of the respiratory system they affect.
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
1.8K
Microbiota of the Respiratory Tract
37
The human respiratory tract, comprising the upper and lower segments, serves as a critical interface with the external environment. The upper respiratory tract (URT)—including the nostrils, sinuses, pharynx, and oropharynx—is heavily colonized by microbes, while the lower respiratory tract (LRT), composed of the larynx, trachea, bronchi, and lungs, was long thought to be sterile. However, recent molecular studies have revealed that the lungs are not devoid of microbes but act more...
37
Atypical Pneumonia
49
Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease...
49
Pneumonia I: Introduction
1.3K
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...
1.3K
Acute Respiratory Failure-III
1.2K
Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...
1.2K


