期刊
VIROLOGY
卷 331, 期 1, 页码 73-81出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.virol.2004.10.010
关键词
respiratoy syncytial virus; cytoskeleton; microtubules; actins
类别
资金
- NIAID NIH HHS [T32 AI-07611, N01-AI-65298] Funding Source: Medline
Many paramyxoviruses appear to require cytoskeletal elements for particular steps in the virus life cycle. Measles virus and Sendai virus exhibit a requirement for rnicrotubules in replication in vitro, whereas parainfluenza virus type 3 and RSV require actin for replication. To further elucidate the role of cyloskeletal function and rearrangement in the viral life cycle of RSV we investigated the efficiency of virus entry, transcription, replication, and budding in the presence of a variety of pharmacological agents that stabilize or depolymerize actin or microtubules. We found that alteration of microtubule or actin function resulted in blocks at entry, formation of cell-associaied virus, virus release, local cell-to-cell spread, and syncytium formation. Actin and microtubules act in cooperation to facilitate replication of RSV although microtubules play a dominant role in the formation of cell-associated virus while actin plays a more prominent role in virus release. (C) 2004 Elsevier Inc. All rights reserved.
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