transovarial transmission


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to transovarial transmission: vertical transmission, transstadial transmission

trans·o·var·i·al trans·mis·sion

passage of parasites or infective agents from the maternal body to eggs within the ovaries; commonly used to describe certain arthropods, to explain the ability of larvae of the next generation to transmit disease pathogens, as with the infection of larval mites or ticks with rickettsiae or viruses.

transovarial transmission

The transmission of causative agents of disease to offspring following invasion of the ovary and infection of eggs; occurs in ticks and mites.
See also: transmission
References in periodicals archive ?
Transovarial transmission of DENV by Stegomyia could play an important role in the survival of these viruses in nature.
Transovarial transmission of dengue virus in Aedes albopictus in relation to dengue outbreak in an urban area in Malaysia.
These observations further indicate towards the need for studies on the role of host factors of mosquitoes which facilitate transovarial transmission through their generations.
Transovarial transmission of Borrelia spirochetes by Ixodes scapularis: a summary of the literature and recent observations.
Although the mechanism of vertical transmission with flaviviruses is generally thought to be infection of eggs during oviposition, rather than transovarial transmission (5), these rates suggest that further investigation into Zika virus tropism in mosquitoes is warranted.
Persistence of vertical or transovarial transmission of dengue viruses may serve to retain dengue viral pathogen in nature during inter-epidemic periods of the disease (1).
Of note, predicted rates of infection among overwintering eggs were even lower than rates of infection among adult populations (mean [median] end-of-season infection rates of 0.63% [0.49%] for the tree-hole model.) This finding reflects the fact that transovarial transmission is <100% and that overwintering eggs are laid later in the season, sometimes after peak LACV transmission has subsided.
SFTSV Infection of Ticks by Acquisition Feeding and Tick Transovarial Transmission of SFTSV
miyamotoi has been shown to have transovarial transmission, suggesting that larval ticks may also pose a risk (7).