Candidatus 'Rickettsia senegalensis' in cat fleas in Senegal

New Microbes and New Infections
Oleg MediannikovDidier Raoult

Abstract

Epidemiological studies of Rickettsia felis and related bacteria are very important, because the natural cycle of this important infection has not yet been established. The recent emergence of R. felis-associated febrile diseases in West and East Africa demands insightful epidemiological studies of the vectors and reservoirs of this bacterium in Africa. Twenty-nine cat fleas, Ctenocephalides felis, were tested for the presence of rickettsiae, including R. felis, bartonellae, and borreliae, with specific quantitative real-time PCR assays. Supporting our previous studies, R. felis was not detected in the fleas collected. In addition, neither Bartonella nor Borrelia was found. In five (17%) examined fleas, we found another species of rickettsia. We isolated three rickettsial strains, and genetic analysis demonstrated that these strains represent a probable new species, provisionally called Candidatus Rickettsia senegalensis here.

References

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Citations

Apr 14, 2015·Future Microbiology·Alison Luce-FedrowAllen L Richards
Jun 25, 2016·Current Tropical Medicine Reports·Lisa D Brown, Kevin R Macaluso
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Mar 14, 2021·Acta Tropica·Nurul Aini HusinJing Jing Khoo

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Datasets Mentioned

BETA
JQ674485
KF666470
KF666474
DSM2850
DQ379482

Methods Mentioned

BETA
PCR

Software Mentioned

MrBayes
BLAST
TOPALi
CLUSTALW

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