Measles and Nipah virus assembly: Specific lipid binding drives matrix polymerization.
Michael J Norris, Monica L Husby, William B Kiosses, Jieyun Yin, Roopashi Saxena, Linda J Rennick, Anja Heiner, Stephanie S Harkins, Rudramani Pokhrel, Sharon L Schendel, Kathryn M Hastie, Sara Landeras-Bueno, Zhe Li Salie, Benhur Lee, Prem P Chapagain, Andrea Maisner, W Paul Duprex, Robert V Stahelin, Erica Ollmann Saphire
Author Information
Michael J Norris: Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA. ORCID
Monica L Husby: Department of Medicinal Chemistry and Molecular Pharmacology, Purdue Institute of Inflammation, Immunology and Infectious Disease, Purdue University, West Lafayette, IN 47907, USA. ORCID
William B Kiosses: Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA. ORCID
Jieyun Yin: Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA. ORCID
Roopashi Saxena: Department of Medicinal Chemistry and Molecular Pharmacology, Purdue Institute of Inflammation, Immunology and Infectious Disease, Purdue University, West Lafayette, IN 47907, USA. ORCID
Linda J Rennick: Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA. ORCID
Anja Heiner: Institute of Virology, Philipps University Marburg, Marburg, Germany.
Stephanie S Harkins: Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA. ORCID
Rudramani Pokhrel: Department of Physics, Florida International University, Miami, FL 33199, USA. ORCID
Sharon L Schendel: Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA. ORCID
Kathryn M Hastie: Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA. ORCID
Sara Landeras-Bueno: Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA.
Zhe Li Salie: Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA. ORCID
Benhur Lee: Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA. ORCID
Prem P Chapagain: Department of Physics, Florida International University, Miami, FL 33199, USA. ORCID
Andrea Maisner: Institute of Virology, Philipps University Marburg, Marburg, Germany.
W Paul Duprex: Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA. ORCID
Robert V Stahelin: Department of Medicinal Chemistry and Molecular Pharmacology, Purdue Institute of Inflammation, Immunology and Infectious Disease, Purdue University, West Lafayette, IN 47907, USA. ORCID
Erica Ollmann Saphire: Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA. ORCID
Measles virus, Nipah virus, and multiple other paramyxoviruses cause disease outbreaks in humans and animals worldwide. The paramyxovirus matrix (M) protein mediates virion assembly and budding from host cell membranes. M is thus a key target for antivirals, but few high-resolution structures of paramyxovirus M are available, and we lack the clear understanding of how viral M proteins interact with membrane lipids to mediate viral assembly and egress that is needed to guide antiviral design. Here, we reveal that M proteins associate with phosphatidylserine and phosphatidylinositol 4,5-bisphosphate [PI(4,5)P] at the plasma membrane. Using x-ray crystallography, electron microscopy, and molecular dynamics, we demonstrate that PI(4,5)P binding induces conformational and electrostatic changes in the M protein surface that trigger membrane deformation, matrix layer polymerization, and virion assembly.
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