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Host cell nuclear function and murine hepatitis virus replication.

P R Brayton, R G Ganges, S A Stohlman

The Journal of General Virology

|October 1, 1981

Summary

This summary is machine-generated.

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Murine hepatitis virus replicates efficiently in cells lacking a nucleus and does not require ongoing host cell RNA synthesis for propagation. This suggests viral replication is independent of host cell nuclear functions.

Area of Science:

Virology
Cell Biology
Molecular Biology

Background:

Murine hepatitis virus (MHV) is a significant pathogen.
Understanding viral replication mechanisms is crucial for developing antiviral strategies.

Purpose of the Study:

To investigate the dependence of murine hepatitis virus replication on host cell nucleus and host cell RNA synthesis.

Main Methods:

Comparing replication efficiency in nucleated and enucleated L2 cells.
Assessing the impact of RNA synthesis inhibitors (actinomycin D, alpha-amanitin) on virus replication.

Main Results:

MHV strains A59 and JHM showed equal replication in both nucleated and enucleated L2 cells.
Inhibitors of host cell RNA synthesis did not affect MHV replication.

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Conclusions:

Murine hepatitis virus replication is independent of the host cell nucleus.
Continued host cell RNA synthesis is not essential for MHV replication.