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Article Abstract
We report sequences of the complete linear chromosome and five linear plasmids of the relapsing fever spirochete " Borrelia fainii" Qtaro. The chromosome sequence of 951,861 bp and the 243,291 bp of plasmid sequences were predicted to contain 852 and 239 protein-coding genes, respectively. The predicted total GC content was 28.4%.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10190276 | PMC |
| http://dx.doi.org/10.1128/mra.01318-22 | DOI Listing |
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Genome Sequence of a Clinical Isolate of the Human Pathogenic Strain " Borrelia fainii" Qtaro.
Microbiol Resour Announc
May 2023
Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku, Tokyo, Japan.
We report sequences of the complete linear chromosome and five linear plasmids of the relapsing fever spirochete " Borrelia fainii" Qtaro. The chromosome sequence of 951,861 bp and the 243,291 bp of plasmid sequences were predicted to contain 852 and 239 protein-coding genes, respectively. The predicted total GC content was 28.
View Article and Find Full Text PDFDetection of Old and New World Relapsing Fever Borreliae in Ticks Collected from Warthog Burrows in Zambia.
Microorganisms
January 2023
Department of Bacteriology-I, National Institute of Infectious Diseases, Toyama 1-23-1, Shinjuku, Tokyo 162-8640, Japan.
Article Synopsis
- Relapsing fever (RF) is caused by Borrelia spirochetes and is a significant public health issue in endemic areas like Africa, with limited research in Zambia.
- A study analyzed 182 DNA samples from 886 Ornithodoros ticks in Zambian National Parks, revealing 43 positive for Borrelia, including both Old and New World RF types, marking the first evidence of Old-World RF in Zambia.
- The findings suggest at least four Borrelia species exist in Zambia, and future research should focus on isolating these species and conducting serosurveys on RF-affected patients to understand the disease's complexity better.
Human-pathogenic relapsing fever Borrelia found in bats from Central China phylogenetically clustered together with relapsing fever borreliae reported in the New World.
PLoS Negl Trop Dis
March 2021
State Key Laboratory of Virology, School of Health Sciences, Wuhan University, Wuhan, Hubei, China.
Article Synopsis
- Bats are known to carry various zoonotic pathogens, but their connection to bacteria like Borrelia is not well understood; a study in Hubei Province, China sought to explore this further.
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- No Borrelia DNA was found in ticks from the bats, but the discovery of this potential human-pathogenic strain in bats raises concerns about public health risks associated with these animals in China.
Pathogenic New World Relapsing Fever Borrelia in a Myotis Bat, Eastern China, 2015.
Emerg Infect Dis
December 2020
Article Synopsis
- Identified Candidatus Borrelia fainii, a bacterium linked to human illness, in a Myotis bat in eastern China.
- This discovery adds to our understanding of where Borrelia species are found geographically.
- It highlights the potential risk of New World relapsing fever infections occurring in China.
Human Borreliosis Caused by a New World Relapsing Fever Borrelia-like Organism in the Old World.
Clin Infect Dis
June 2019
Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo.
Background: Relapsing fever is an infectious disease previously neglected in Africa, which imposes a large public health burden in the country. We aimed to investigate and report on a case of relapsing fever borreliosis in Zambia.
Methods: A previously unknown Borrelia species was isolated from the blood of a febrile patient.