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Constructing Mutants in Serotype 1 Streptococcus pneumoniae strain 519/43
Published on: September 11, 2020
New Streptococcus pneumoniae clones in deceased wild chimpanzees
Fang Chi1, Michaela Leider, Fabian Leendertz
1Department of Microbiology, University of Kaiserslautern, Paul Ehrlich Strasse 23, D-67663 Kaiserslautern, Germany.
Sudden deaths in wild chimpanzees were linked to new Streptococcus pneumoniae clones. This research suggests virulent S. pneumoniae strains can infect wild ape populations, causing human-like respiratory illnesses.
Area of Science:
- Veterinary Medicine
- Microbiology
- Primate Health
Background:
- Wild chimpanzees in Taï National Park have experienced unexplained sudden deaths since 1999.
- These deaths were often preceded by respiratory distress, indicating a potential infectious agent.
Purpose of the Study:
- To identify the causative agent of sudden deaths in wild chimpanzees.
- To investigate the genetic characteristics of the identified pathogen.
- To assess the potential for zoonotic transmission of this pathogen.
Main Methods:
- Multilocus sequence typing (MLST) was employed to analyze bacterial isolates.
- Specific gene sequences (ply, lytA, and pbp2x) were examined for identification and characterization.
- Samples were obtained from deceased chimpanzees in Taï National Park.
Main Results:
- Two novel clones of Streptococcus pneumoniae were identified in the deceased chimpanzees.
- Genetic analysis confirmed the presence of virulence-associated genes.
Conclusions:
- Virulent strains of Streptococcus pneumoniae are present in wild chimpanzee populations.
- These bacteria have the potential to cause severe, pneumonia-like infections in chimpanzees, mirroring human diseases.
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