Transovarial transmission of Orientia tsutsugamushi in Leptotrombidium palpale (Acari: Trombiculidae).
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 24721932.
- Also identified by DOI 10.1371/journal.pone.0088453 and PMC identifier 3982952.
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Abstract
Transovarial transmission of Orientia tsutsugamushi in colonies of Leptotrombidium palpale was studied in the parent and F1 and F2 generations. Both transovarial transmission and filial infection rates were 100% in the parent and F1 generations of Leptotrombidium palpale. The filial infection rate in the F1 generation was 100%, but it declined to 94.3% in the F2 progeny. The sex ratio of the F1 generation from infected L. palpale was 1∶0.8 (male:female) and the proportion of males was relatively high. This study is the first to report on the transovarial transmission of O. tsutsugamushi in L. palpale. High transovarial transmission rates in L. palpale suggest that this species might be one of the major vectors of tsutsugamushi disease in Korea.
Medical subject headings
- Disease Vectors
- Orientia tsutsugamushi
- Ovary
- Scrub Typhus
- Trombiculidae