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Importance of Zika Virus NS5 Protein for Viral Replication

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Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Subang Jaya 47500, Selangor, Malaysia
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Tropical Medicine & Biology Multidisciplinary Platform, Monash University Malaysia, Jalan Lagoon Selatan, Subang Jaya 47500, Selangor, Malaysia
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Author to whom correspondence should be addressed.
Pathogens 2019, 8(4), 169; https://doi.org/10.3390/pathogens8040169
Received: 3 September 2019 / Revised: 27 September 2019 / Accepted: 27 September 2019 / Published: 30 September 2019
(This article belongs to the Special Issue Current Advances in Flavivirus Research)
Zika virus is the latest addition to an ever-growing list of arboviruses that are causing outbreaks with serious consequences. A few mild cases were recorded between 1960 and 1980 until the first major outbreak in 2007 on Yap Island. This was followed by more severe outbreaks in French Polynesia (2013) and Brazil (2015), which significantly increased both Guillain-Barre syndrome and microcephaly cases. No current vaccines or treatments are available, however, recent studies have taken interest in the NS5 protein which encodes both the viral methyltransferase and RNA-dependent RNA polymerase. This makes it important for viral replication alongside other important functions such as inhibiting the innate immune system thus ensuring virus survival and replication. Structural studies can help design inhibitors, while biochemical studies can help understand the various mechanisms utilized by NS5 thus counteracting them might inhibit or abolish the viral infection. Drug repurposing targeting the NS5 protein has also proven to be an effective tool since hundreds of thousands of compounds can be screened therefore saving time and resources, moreover information on these compounds might already be available especially if they are used to treat other ailments. View Full-Text
Keywords: Zika; NS5; Flavivirus; Arbovirus; TBK1; STAT2; IFN1; IFN3; RdRp; MTase Zika; NS5; Flavivirus; Arbovirus; TBK1; STAT2; IFN1; IFN3; RdRp; MTase
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MDPI and ACS Style

Elshahawi, H.; Syed Hassan, S.; Balasubramaniam, V. Importance of Zika Virus NS5 Protein for Viral Replication. Pathogens 2019, 8, 169.

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