When HSV is in its true latent state:

Question

BlackTom AI · Accepted Answer

Start by restating the scenario and options to ensure clarity about what is being evaluated. 
Option 1: No viral proteins are made, however the viral DNA genome is present in the nucleus of sensory neurons. This description matches the classic latent state of herpes simplex virus (HSV) in sensory ganglia: the genome persists in the nucleus without active viral gene expression and without producing viral proteins, keeping the virus in a non-replicating, dormant form. 
Option 2: New virus particles assemble in the nucleus of sensory neurons but are not released. In latency, there is no assembly of new virions or production of viral particles; assembling particles would indicate lytic replication, which is not characteristic of latent HSV. The absence of virion production during latency contradicts this option. 
Option 3: The infected individual can still asymptomatically transmit the virus to another susceptible individual. Transmission requires the shedding of infectious virions; during latency, HSV is not actively producing virions, so asymptomatic transmission is unlikely. This option misstates the biology of latency. 
Option 4: New virus particles are produced in sensory neurons but no axonal transport to the mucosa occurs. Production and assembly of new particles would imply active replication and release potential, which again contradicts latency. In latency, there is no production of new virus particles to facilitate transport to mucosal surfaces. 
In summary, the key feature of true HSV latency is the preservation of the viral genome in sensory neuron nuclei without viral protein synthesis or virion production, which aligns with Option 1. The other options describe scenarios involving active replication, virion production, or transmission that do not occur during latent HSV infection.

When HSV is in its true latent state:单项选择题

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