Abstract
Cryoelectron microscopy of Mouse mammary tumor virus, a Betaretrovirus, provided information about glycoprotein structure and core formation. The virions showed the broad range of diameters typical of retroviruses. Betaretroviruses assemble cytoplasmically, so the broad size range cannot reflect the use of the plasma membrane as a platform for assembly.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Cell Line
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Cell Membrane / ultrastructure
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Cell Membrane / virology
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Cryoelectron Microscopy*
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HIV-1 / chemistry
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HIV-1 / growth & development
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Mammary Tumor Virus, Mouse / chemistry
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Mammary Tumor Virus, Mouse / growth & development
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Mammary Tumor Virus, Mouse / ultrastructure*
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Virion / chemistry
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Virion / growth & development
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Virion / ultrastructure
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Virus Assembly