Survey of Ticks and Tick-Borne Rickettsial and Protozoan Pathogens in Eswatini.

作者信息

Ledger Kimberly J, Beati Lorenza, Wisely Samantha M

机构信息

Department of Wildlife Ecology and Conservation, University of Florida, Gainesville, FL 32611, USA.

US National Tick Collection, Institute for Coastal Plain Science, Georgia Southern University, Statesboro, GA 30458, USA.

出版信息

Pathogens. 2021 Aug 17;10(8):1043. doi: 10.3390/pathogens10081043.

Abstract

Ticks are widespread parasites of vertebrates and major vectors of pathogens to humans, domestic animals, and wildlife. In southern Africa, numerous tick species transmit diseases of economic and health importance. This study aimed to describe the occurrence of ticks and tick-borne pathogens in multiple land-use types and the possible role of ticks in the transmission of pathogen species. Using molecular techniques, we screened 1716 ticks for infection by rickettsial bacteria and protozoans. To characterize pathogen identity, we sequenced multiple loci from positive samples and analyzed sequences within a phylogenetic framework. Across the seven tick species collected as nymphs or adults, we detected , , , , , and species. We found that some tick species and tick-borne pathogens differed according to land use. For example, we found a higher density of and higher prevalence of in collected from savanna grasses used for livestock grazing near human settlements than savanna grasses in conservation areas. These findings highlight the importance of comprehensive surveillance to achieve a full understanding of the diversity and ecology of the tick-borne pathogens that can infect humans, domestic animals, and wildlife.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b24b/8401679/e8091627a999/pathogens-10-01043-g001.jpg

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