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Full-Text Articles in Virology

Improving Aedes Mosquito Surveillance And La Crosse Virus Screening In Eastern Tennessee, Cassandra Urquhart Aug 2016

Improving Aedes Mosquito Surveillance And La Crosse Virus Screening In Eastern Tennessee, Cassandra Urquhart

Masters Theses

La Crosse virus (LACV), transmitted by infected Aedes triseriatus, Ae. albopictus, and Ae. japonicus mosquitoes is the leading cause of pediatric arboviral encephalitis. Severe cases of LAC encephalitis occur in individuals 16-years-old or younger and may cause permanent neurological damage or fatality. No vaccines exist making mosquito control and disease prevention crucial to public health. Effective screening and surveillance practices are key components to these goals. While a number of standard mosquito surveillance methods exist, continuous testing and improved understanding of vector biology to determine the best ways to implement these methods is important. Additionally, the current standard …


Identification Of Zika Virus And Dengue Virus Dependency Factors Using Functional Genomics, George Savidis, William M. Mcdougall, Paul Meraner, Jill Perreira, Jocelyn M. Portmann, Gaia Trincucci, Sinu P. John, Aaron M. Aker, Nicholas Renzette, Douglas R. Robbins, Zhiru Guo, Sharone Green, Timothy F. Kowalik, Abraham L. Brass Jun 2016

Identification Of Zika Virus And Dengue Virus Dependency Factors Using Functional Genomics, George Savidis, William M. Mcdougall, Paul Meraner, Jill Perreira, Jocelyn M. Portmann, Gaia Trincucci, Sinu P. John, Aaron M. Aker, Nicholas Renzette, Douglas R. Robbins, Zhiru Guo, Sharone Green, Timothy F. Kowalik, Abraham L. Brass

Sharone Green

The flaviviruses dengue virus (DENV) and Zika virus (ZIKV) are severe health threats with rapidly expanding ranges. To identify the host cell dependencies of DENV and ZIKV, we completed orthologous functional genomic screens using RNAi and CRISPR/Cas9 approaches. The screens recovered the ZIKV entry factor AXL as well as multiple host factors involved in endocytosis (RAB5C and RABGEF), heparin sulfation (NDST1 and EXT1), and transmembrane protein processing and maturation, including the endoplasmic reticulum membrane complex (EMC). We find that both flaviviruses require the EMC for their early stages of infection. Together, these studies generate a high-confidence, systems-wide view of human-flavivirus …


Reviews Of Science For Science Librarians: The Challenge Of The Zika Virus: An Emerging Arbovirus Disease, Frances A. Delwiche Jun 2016

Reviews Of Science For Science Librarians: The Challenge Of The Zika Virus: An Emerging Arbovirus Disease, Frances A. Delwiche

University Libraries Faculty and Staff Publications

First identified in Uganda in 1947, the Zika virus simmered quietly for sixty years, occasionally causing a mild dengue-like illness across parts of central Africa and equatorial Asia. However, since 2007, three large outbreaks have occurred: first in Micronesia, then in French Polynesia in 2013-2014, and as an epidemic involving Mexico, the Caribbean, and Central and South America in 2015-2016. This paper reviews the virology of the Zika virus, its modes of transmission, symptoms of Zika Virus Disease, the association of Zika infections with microcephaly and Guillain-Barre Syndrome, prevention of Zika infections, and ongoing efforts to develop a vaccine.