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One such surveillance program is the Global Virome Project (GVP) an international collaborative research initiative based at the One Health Institute at the University of California, Davis. [ 29 ] [ 30 ] The GVP aims to boost infectious disease surveillance around the globe by using low cost sequencing methods in high risk countries to prevent ...
A systematic exploration of the viruses that infect humans (the human virome) is important and feasible with these methods. Polymerase chain reaction is a tool to amplify and detect specific DNA sequences. It can be used to help characterize the virome, but it is limited by the need for at least partial DNA sequence information.
Virome refers to the assemblage of viruses [1] [2] that is often investigated and described by metagenomic sequencing of viral nucleic acids [3] that are found associated with a particular ecosystem, organism or holobiont. The word is frequently used to describe environmental viral shotgun metagenomes.
Sequencing is the only diagnostic method that will provide the full sequence of a virus genome. Hence, it provides the most information about very small differences between two viruses that would look the same using other diagnostic tests. Currently it is only used when this depth of information is required.
The sequence-driven approach to screening is limited by the breadth and accuracy of gene functions present in public sequence databases. In practice, experiments make use of a combination of both functional and sequence-based approaches based upon the function of interest, the complexity of the sample to be screened, and other factors.
Serratus is a large scale viroinformatics platform for uncovering the total genetic diversity of Earth's virome.Originating with the goal of uncovering novel coronaviruses [1] that may have been incidentally sequenced by other researchers, the project expanded to encompass all RNA viruses, those which encode a viral RNA-dependent RNA polymerase (RdRp).
VirCapSeq is a system to broadly screen for all viral infections in vertebrates including humans. [1] It was designed by W. Ian Lipkin, Thomas Briese, and Amit Kapoor at Columbia University.
A variant of SAGE using high-throughput sequencing techniques, called digital gene expression analysis, was also briefly used. [ 9 ] [ 22 ] However, these methods were largely overtaken by high throughput sequencing of entire transcripts, which provided additional information on transcript structure such as splice variants .