Molecular characterization of Rickettsia spp., Bartonella spp., and Anaplasma phagocytophilum in hard ticks collected from wild animals in Benin, West Africa

Yessinou, Roland Eric; Adehan, Safiou Bienvenu; Hedegbetan, Georges Codjo; Cassini, Rudi; Mantip, Samuel; Farougou, Souaïbou

doi:10.1007/s11250-022-03286-5

Cited by 2 publications

(2 citation statements)

References 72 publications

(47 reference statements)

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“…annulatus, and Rh. microplus collected from snakes, four-toed hedgehogs in Benin, cattle in Benin and Togo [34,36], and in Am. variegatum, Rh.…”

Section: Bacterial Diseases 21 Tick-borne Spotted Fever Group Rickett...mentioning

confidence: 99%

“…sulcatus, and Rh. microplus from Benin and Togo [34,36,153], in rodents, bats, and their ectoparasites from Nigeria [154,156], and rodents from Mali [155]. In addition, two potentially new species of Bartonella have been described, namely Candidatus Bartonella davoustii in cattle in Senegal [151] and Candidatus Bartonella mastomydis in rodents in Benin [153] and Mali [155].…”

Section: Bartonellosismentioning

confidence: 99%

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Tick-Borne Diseases of Humans and Animals in West Africa

Diarra,

Kelly,

Davoust

et al. 2023

Pathogens

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Ticks are a significant group of arthropod vectors that transmit a large variety of pathogens responsible for human and animal diseases worldwide. Ticks are the second biggest transmitters of vector-borne diseases, behind mosquitoes. However, in West Africa, there is often only limited knowledge of tick-borne diseases. With the scarcity of appropriate diagnostic services, the prevalence of tick-borne diseases is generally underestimated in humans. In this review, we provide an update on tick-borne pathogens reported in people, animals and ticks in West Africa by microscopic, immunological and molecular methods. A systematic search was conducted in PubMed and Google Scholar. The selection criteria included all studies conducted in West Africa reporting the presence of Rickettsia, Borrelia, Anaplasma, Ehrlichia, Bartonella, Coxiella burnetii, Theileria, Babesia, Hepatozoon and Crimean–Congo haemorrhagic fever viruses in humans, animals or ticks. Our intention is to raise awareness of tick-borne diseases amongst human and animal health workers in West Africa, and also physicians working with tourists who have travelled to the region.

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“…annulatus, and Rh. microplus collected from snakes, four-toed hedgehogs in Benin, cattle in Benin and Togo [34,36], and in Am. variegatum, Rh.…”

Section: Bacterial Diseases 21 Tick-borne Spotted Fever Group Rickett...mentioning

confidence: 99%

Section: Bartonellosismentioning

confidence: 99%

Tick-Borne Diseases of Humans and Animals in West Africa

Diarra,

Kelly,

Davoust

et al. 2023

Pathogens

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Tick-Borne Diseases in Sub-Saharan Africa: A Systematic Review of Pathogens, Research Focus, and Implications for Public Health

Djiman,

Biguezoton,

Saegerman

2024

Pathogens

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Sub-Saharan Africa, with its hot and humid climate, is a conducive zone for tick proliferation. These vectors pose a major challenge to both animal and human health in the region. However, despite the relevance of emerging diseases and evidence of tick-borne disease emergence, very few studies have been dedicated to investigating zoonotic pathogens transmitted by ticks in this area. To raise awareness of the risks of tick-borne zoonotic diseases in sub-Saharan Africa, and to define a direction for future research, this systematic review considers the trends of research on tick-borne bacteria, parasites, and viruses from 2012 to 2023, aiming to highlight the circulation of these pathogens in ticks, cattle, sheep, goats, and humans. For this purpose, three international databases were screened to select 159 papers fitting designed inclusion criteria and used for qualitative analyses. Analysis of these studies revealed a high diversity of tick-borne pathogens in sub-Saharan Africa, with a total of 37 bacterial species, 27 parasite species, and 14 viruses identified. Among these, 27% were zoonotic pathogens, yet only 11 studies investigated their presence in humans. Furthermore, there is growing interest in the investigation of bacteria and parasites in both ticks and ruminants. However, research into viruses is limited and has only received notable interest from 2021 onwards. While studies on the detection of bacteria, including those of medical interest, have focused on ticks, little consideration has been given to these vectors in studies of parasites circulation. Regarding the limited focus on zoonotic pathogens transmitted by ticks, particularly in humans, despite documented cases of emerging zoonoses and the notable 27% proportion reported, further efforts should be made to fill these gaps. Future studies should prioritize the investigation of zoonotic pathogens, especially viruses, which represent the primary emerging threats, by adopting a One Health approach. This will enhance the understanding of their circulation and impact on both human and animal health. In addition, more attention should be given to the risk factors/drivers associated to their emergence as well as the perception of the population at risk of infection from these zoonotic pathogens.

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Molecular characterization of Rickettsia spp., Bartonella spp., and Anaplasma phagocytophilum in hard ticks collected from wild animals in Benin, West Africa

Cited by 2 publications

References 72 publications

Tick-Borne Diseases of Humans and Animals in West Africa

Tick-Borne Diseases of Humans and Animals in West Africa

Tick-Borne Diseases in Sub-Saharan Africa: A Systematic Review of Pathogens, Research Focus, and Implications for Public Health

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