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Treponematosis in critically endangered Western chimpanzees () in Senegal.
One Health
June 2024
IHU-Méditerranée Infection, Marseille, France.
Article Synopsis
- Treponematoses are chronic bacterial diseases primarily transmitted through sexual contact or direct interaction, but their epidemiology in wild primates remains largely unexplored due to the difficulty of studying these animals.
- This study focused on critically endangered Western chimpanzees in Senegal, using a non-invasive stool serology method that revealed anti-treponemal antibodies in 13 out of 29 chimpanzees tested.
- The findings highlight the importance of using non-invasive methods for disease surveillance in wildlife, emphasizing the need to assess and manage the risk of treponematosis within chimpanzee populations as part of a comprehensive One Health strategy.
Redefining the treponemal history through pre-Columbian genomes from Brazil.
Nature
March 2024
Institute of Evolutionary Medicine, University of Zurich, Zurich, Switzerland.
Article Synopsis
- The origins of treponemal diseases, like syphilis, have been difficult to trace, especially regarding their emergence in 15th century Europe, potentially linked to Columbus' voyages to the Americas.
- Recent analysis of ancient DNA reveals that treponemal infections existed in early modern Europe and colonial Mexico, but there's been a lack of dated evidence from before the trans-Atlantic contact.
- This study presents treponemal genomes from 2,000-year-old remains in Brazil, suggesting that modern subspecies diverged earlier than previously thought, and highlights the adaptability of these pathogens, opening new avenues for understanding their evolution and spread.
First report of hare treponematosis seroprevalence of European brown hares (Lepus europaeus) in the Czech Republic: seroprevalence negatively correlates with altitude of sampling areas.
BMC Vet Res
October 2019
Department of Biology, Faculty of Medicine, Masaryk University, Kamenice 5, Building A6, 625 00, Brno, Czech Republic.
Article Synopsis
- The study aimed to assess the prevalence of hare treponematosis in European brown hares in the Czech Republic and explore its relation to altitude, analyzing 289 serum samples from 12 districts collected from 2015 to 2017.
- Serological tests indicated that 107 samples were positive for treponematosis, with an overall true prevalence of 52% across the sampled populations.
- A significant negative correlation between treponematosis prevalence and altitude was found at the district level, suggesting that higher altitude areas had lower rates of the disease.
The "Scourge of the Renaissance". A Short Review About infection.
Endocr Metab Immune Disord Drug Targets
January 2021
Department of Emergency/Urgent, National Poison Center, Riuniti University Hospital (OO.RR.) of Foggia, Foggia, Italy.
Article Synopsis
- Infectious diseases have significantly impacted human history, with pandemics like cholera and syphilis showing the interplay between social conditions, health disparities, and disease transmission.
- The Renaissance period marked the spread of syphilis in Europe, influenced by increased migration and lack of immunity among the population.
- The study aims to explore the origins of syphilis, its treatment evolution from early remedies to penicillin, and its broader effects on human lifestyle and evolution.
Article Synopsis
- Bejel, a type of endemic treponematosis caused by Treponema pallidum subspecies endemicum, has not previously been reported in eastern Asia and the Pacific.
- Recent cases show that bejel is spreading locally among men who have sex with men in Japan.
- The situation is complicated by the presence of venereal syphilis, which may hinder efforts to control the spread of bejel.
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