Nucleocapsid of a Small DNA Virus Entering the Host Cell Nucleus
through Pores in the the Nuclear Membrane

In the case of most viruses with a DNA genome, the genome enters the nucleus of the host cell. In the case of some small DNA viruses whose nucleocapsid is small enough to be passed through the nuclear pores of the host cell's nuclear membrane, the entire nucleocapsid enters the nucleus of the host cell. The capsid is subsequently removed releasing the viral DNA genome into the nucleoplasm.

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