Home Acta Virologica 2021 Acta Virologica Vol.65, No.4, p.433-439, 2021

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Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

Published in English

Impact Factor = 1.82

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Acta Virologica Vol.65, No.4, p.433-439, 2021

Title: The knockdown of eIF4AI interferes with the respiratory syncytial virus replication cycle
Author: Nancy Martínez-Martínez, Silvia Ivonne Mora-Herrera, Elisa Tamaríz, Vicenta Trujillo-Alonso, Clara Luz Sampieri, Mónica Flores-Muñoz, Rocío Coutiño-Rodríguez, Juan Carlos Rodríguez-Alba, Hilda Montero

Abstract: The respiratory syncytial virus (RSV) is one of the main etiological agents in acute respiratory infections. To date, the replicative cycle of this virus is not completely known, and the events as well as the role of cellular and viral proteins that participate in the infectious cycle of RSV are still a matter of intense research. An important protein that is a control point for many viruses is the helicase eIF4AI, which participates at the beginning of the cap-dependent translation of eukaryotes and cap-independent translation of certain viral mRNAs. Recently, eIF4AI has been considered as a potential viral therapeutic target. In order to understand the role of eIF4AI during the infectious cycle of RSV, we evaluated the effect of eIF4AI knockdown on the amount of positive-strand viral RNA and viral progeny of this virus. Our results showed a decrease for both parameters, suggesting a possible involvement of eIF4AI during replicative cycle of RSV. In addition, using confocal microscopy, it was observed that eIF4AI colocalized with RSV viral protein, supporting the possible participation of eIF4AI during the replicative cycle of RSV.

Keywords: eIF4AI; RSV; translation; antiviral
Published online: 30-Dec-2021
Year: 2021, Volume: 65, Issue: 4 Page From: 433, Page To: 439

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