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Updated: Oct 25, 2025

Author Spotlight: Unraveling the Interplay Between Trichoderma stromaticum and the Mammalian Immune System
Published on: October 20, 2023
Firstcase of pneumonia-parapneumonic effusion due to Trichoderma longibrachiatum
Vasiliki Epameinondas Georgakopoulou1, Despoina Melemeni2, Konstantinos Mantzouranis2
1Pulmonology Department, Laiko General Hospital, Athens, Greece.
Abstract:
Trichoderma longibrachiatum is a fungus belonging to the genus Trichoderma. Trichoderma longibrachiatum is not thought as a pathogenic for healthy individuals. However, it has the ability to produce toxic peptides and extracellular proteases and has been described to cause invasive infections in immunocompromised hosts. Trichoderma longibrachiatum has been reported as the causative microorganism of lung infections, skin infections, sinus infections, otitis, stomatitis endocarditis, pericarditis, gastrointestinal infections, mediastinitis and peritonitis. We report the first case of pneumonia with parapneumonic effusion in an old woman with diabetes mellitus due to Trichoderma longibrachiatum.
Insights
Trichoderma longibrachiatum, a fungus, can cause severe infections in immunocompromised individuals. This report details the first case of pneumonia with parapneumonic effusion caused by this fungus in an elderly diabetic patient.
Area of Science:
- Medical Mycology
- Infectious Diseases
Background:
- Trichoderma longibrachiatum is a fungus typically non-pathogenic to healthy individuals.
- This fungus produces toxic peptides and extracellular proteases.
- It is known to cause invasive infections in immunocompromised hosts.
Observation:
- Trichoderma longibrachiatum has been implicated in various infections including lung, skin, sinus, and gastrointestinal infections.
- The study reports the first case of pneumonia with parapneumonic effusion caused by Trichoderma longibrachiatum.
- The affected patient was an elderly woman with diabetes mellitus.
Findings:
- The case confirms Trichoderma longibrachiatum as a causative agent of pneumonia with parapneumonic effusion.
- This highlights the potential pathogenicity of Trichoderma longibrachiatum in vulnerable populations.
Implications:
- This case underscores the importance of considering fungal infections, such as Trichoderma longibrachiatum, in immunocompromised patients presenting with pneumonia.
- Early diagnosis and appropriate antifungal treatment are crucial for managing such infections.
- Further research into the virulence factors and clinical spectrum of Trichoderma longibrachiatum infections is warranted.
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