User profiles for Margus Varjak
Margus VarjakUniversity of Tartu Verified email at ut.ee Cited by 2104 |
A prenylated dsRNA sensor protects against severe COVID-19
…, J Allan, I Jarmson, N Cameron-Ruiz, M Varjak… - Science, 2021 - science.org
INTRODUCTION Interferons (IFNs) are cytokines that are rapidly deployed in response to
invading pathogens. By initiating a signaling cascade that stimulates the expression of …
invading pathogens. By initiating a signaling cascade that stimulates the expression of …
[HTML][HTML] Inhibitors of alphavirus entry and replication identified with a stable Chikungunya replicon cell line and virus-based assays
Chikungunya virus (CHIKV), an alphavirus, has recently caused epidemic outbreaks and is
therefore considered a re-emerging pathogen for which no effective treatment is available. In …
therefore considered a re-emerging pathogen for which no effective treatment is available. In …
[HTML][HTML] A plasmid DNA-launched SARS-CoV-2 reverse genetics system and coronavirus toolkit for COVID-19 research
…, EC Thomson, L Tong, LS Torrie, R Toth, M Varjak… - PLoS …, 2021 - journals.plos.org
The recent emergence of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2),
the underlying cause of Coronavirus Disease 2019 (COVID-19), has led to a worldwide …
the underlying cause of Coronavirus Disease 2019 (COVID-19), has led to a worldwide …
[HTML][HTML] Full genome sequence and sfRNA interferon antagonist activity of Zika virus from Recife, Brazil
Background The outbreak of Zika virus (ZIKV) in the Americas has transformed a previously
obscure mosquito-transmitted arbovirus of the Flaviviridae family into a major public health …
obscure mosquito-transmitted arbovirus of the Flaviviridae family into a major public health …
The antiviral piRNA response in mosquitoes?
M Varjak, M Leggewie… - Journal of General …, 2018 - microbiologyresearch.org
There are several RNA interference (RNAi) pathways in insects. The small interfering RNA
pathway is considered to be the main antiviral mechanism of the innate immune system; …
pathway is considered to be the main antiviral mechanism of the innate immune system; …
BTN3A3 evasion promotes the zoonotic potential of influenza A viruses
Spillover events of avian influenza A viruses (IAVs) to humans could represent the first step
in a future pandemic 1 . Several factors that limit the transmission and replication of avian …
in a future pandemic 1 . Several factors that limit the transmission and replication of avian …
Sequestration of G3BP coupled with efficient translation inhibits stress granules in Semliki Forest virus infection
Dynamic, mRNA-containing stress granules (SGs) form in the cytoplasm of cells under
environmental stresses, including viral infection. Many viruses appear to employ mechanisms to …
environmental stresses, including viral infection. Many viruses appear to employ mechanisms to …
[HTML][HTML] Phenoloxidase activity acts as a mosquito innate immune response against infection with Semliki Forest virus
J Rodriguez-Andres, S Rani, M Varjak… - PLoS …, 2012 - journals.plos.org
Several components of the mosquito immune system including the RNA interference (RNAi),
JAK/STAT, Toll and IMD pathways have previously been implicated in controlling arbovirus …
JAK/STAT, Toll and IMD pathways have previously been implicated in controlling arbovirus …
[HTML][HTML] A human genome-wide loss-of-function screen identifies effective chikungunya antiviral drugs
A Karlas, S Berre, T Couderc, M Varjak, P Braun… - Nature …, 2016 - nature.com
Chikungunya virus (CHIKV) is a globally spreading alphavirus against which there is no
commercially available vaccine or therapy. Here we use a genome-wide siRNA screen to …
commercially available vaccine or therapy. Here we use a genome-wide siRNA screen to …
Aedes aegypti Piwi4 is a noncanonical PIWI protein involved in antiviral responses
The small interfering RNA (siRNA) pathway is a major antiviral response in mosquitoes;
however, another RNA interference pathway, the PIWI-interacting RNA (piRNA) pathway, has …
however, another RNA interference pathway, the PIWI-interacting RNA (piRNA) pathway, has …