Cellular Factors Required for Lassa Virus Budding

Author:

Urata Shuzo123,Noda Takeshi24,Kawaoka Yoshihiro245,Yokosawa Hideyoshi3,Yasuda Jiro12

Affiliation:

1. First Department of Forensic Science, National Research Institute of Police Science, Kashiwa 277-0882, Japan

2. CREST, Japan Science and Technology Agency, Saitama 332-0012, Japan

3. Department of Biochemistry, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan

4. International Research Center for Infectious Diseases, Institute of Medical Science, University of Tokyo, Tokyo 108-8639, Japan

5. Department of Pathological Sciences, School of Veterinary Medicine, University of Wisconsin—Madison, Madison, Wisconsin 53706

Abstract

ABSTRACT It is known that Lassa virus Z protein is sufficient for the release of virus-like particles (VLPs) and that it has two L domains, PTAP and PPPY, in its C terminus. However, little is known about the cellular factor for Lassa virus budding. We examined which cellular factors are used in Lassa virus Z budding. We demonstrated that Lassa Z protein efficiently produces VLPs and uses cellular factors, Vps4A, Vps4B, and Tsg101, in budding, suggesting that Lassa virus budding uses the multivesicular body pathway functionally. Our data may provide a clue to develop an effective antiviral strategy for Lassa virus.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

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