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Virus latency (or viral latency) is the ability of a pathogenic virus to lie dormant within a cell, denoted as the lysogenic part of the viral life cycle. [1] A latent viral infection is a type of persistent viral infection which is distinguished from a chronic viral infection. Latency is the phase in certain viruses' life cycles in which ...
True dormancy or inherent (or innate) dormancy is caused by conditions within the seed that prevent germination even if the conditions are favorable. [7] Imposed dormancy is caused by the external conditions that remain unsuitable for germination [8] Seed dormancy can be divided into two major categories based on what part of the seed produces dormancy: exogenous and endogenous. [9]
The herpes virus can then exit this dormant stage and re-enter the lytic cycle, causing disease symptoms. Thus, while herpes viruses can enter both the lytic and lysogenic cycles, latency allows the virus to survive and evade detection by the immune system due to low viral gene expression. The model organism for studying lysogeny is the lambda ...
Even when clinical symptoms of chickenpox have resolved, VZV remains dormant in the nervous system of the infected person (virus latency), in the trigeminal and dorsal root ganglia. [5] VZV enters through the respiratory system and has an incubation period of 10–21 days, with an average of 14 days.
The fronds may be from 3–12 m (9.8–39.4 ft) long, depending on the species. They are also easily identifiable by their possession of apical buds that lay dormant until damage to the rachis occurs, allowing them a high degree of endurance. [5]
The Comstock Act lay dormant for a while, rendered toothless in part by court interpretations of the First Amendment that were more vigorously protective of free speech. But these days, activists ...
Bulbs lay dormant in the soil for the majority of the year until emerging in the Spring. A single bulb usually produces two leaves each that can grow to a length of 20 cm long by 4–5 mm wide. Leaves are keeled, striate on their surface and sometimes coiled at the tip. [4]
It may lay dormant for years,” Spera said. “There could possibly — and I’m emphasizing the word possibly — still be something dormant in that structure that could reignite with either ...