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- Title
A new lineage nomenclature to aid genomic surveillance of dengue virus.
- Authors
Hill, Verity; Cleemput, Sara; Pereira, James Siqueira; Gifford, Robert J.; Fonseca, Vagner; Tegally, Houriiyah; Brito, Anderson F.; Ribeiro, Gabriela; de Souza, Vinicius Carius; Brcko, Isabela Carvalho; Ribeiro, Igor Santana; De Lima, Iago Trezena Tavares; Slavov, Svetoslav Nanev; Sampaio, Sandra Coccuzzo; Elias, Maria Carolina; Tran, Vi Thuy; Kien, Duong Thi Hue; Huynh, Tuyen; Yacoub, Sophie; Dieng, Idrissa
- Abstract
Dengue virus (DENV) is currently causing epidemics of unprecedented scope in endemic settings and expanding to new geographical areas. It is therefore critical to track this virus using genomic surveillance. However, the complex patterns of viral genomic diversity make it challenging to use the existing genotype classification system. Here, we propose adding 2 sub-genotypic levels of virus classification, named major and minor lineages. These lineages have high thresholds for phylogenetic distance and clade size, rendering them stable between phylogenetic studies. We present an assignment tool to show that the proposed lineages are useful for regional, national, and subnational discussions of relevant DENV diversity. Moreover, the proposed lineages are robust to classification using partial genome sequences. We provide a standardized neutral descriptor of DENV diversity with which we can identify and track lineages of potential epidemiological and/or clinical importance. Information about our lineage system, including methods to assign lineages to sequence data and propose new lineages, can be found at: dengue-lineages.org. Dengue virus (DENV) is causing increasingly larger and more widespread epidemics, which makes it critical to track the virus using genomic surveillance, but there is currently no suitable system to classify circulating variants. This Consensus View proposes a new DENV nomenclature system and free online tools to identify and track lineages of potential epidemiological and/or clinical importance.
- Publication
PLoS Biology, 2024, Vol 22, Issue 9, p1
- ISSN
1544-9173
- Publication type
Article
- DOI
10.1371/journal.pbio.3002834