Ultrafast Sample placement on Existing tRees (UShER) enables real-time phylogenetics for the SARS-CoV-2 pandemic.

Ultrafast Sample placement on Existing tRees (UShER) enables real-time phylogenetics for the SARS-CoV-2 pandemic.
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现有tRees上的超快样品放置(UShER)使SARS-CoV-2大流行病的实时生物遗传学成为可能。

DOI:
10.1038/s41588-021-00862-7
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发表时间:
2021-06
期刊:
影响因子:
30.8
通讯作者:
Corbett-Detig, Russell
Corbett-Detig, Russell
中科院分区:
生物学1区
文献类型:
--
作者:
Turakhia, Yatish;Thornlow, Bryan;Hinrichs, Angie S.;De Maio, Nicola;Gozashti, Landen;Lanfear, Robert;Haussler, David;Corbett-Detig, Russell

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As the SARS-CoV-2 virus spreads through human populations, the unprecedented accumulation of viral genome sequences is ushering in a new era of ‘genomic contact tracing’—that is, using viral genomes to trace local transmission dynamics. However, because the viral phylogeny is already so large—and will undoubtedly grow many fold—placing new sequences onto the tree has emerged as a barrier to real-time genomic contact tracing. Here, we resolve this challenge by building an efficient tree-based data structure encoding the inferred evolutionary history of the virus. We demonstrate that our approach greatly improves the speed of phylogenetic placement of new samples and data visualization, making it possible to complete the placements under the constraints of real-time contact tracing. Thus, our method addresses an important need for maintaining a fully updated reference phylogeny. We make these tools available to the research community through the University of California Santa Cruz SARS-CoV-2 Genome Browser to enable rapid cross-referencing of information in new virus sequences with an ever-expanding array of molecular and structural biology data. The methods described here will empower research and genomic contact tracing for SARS-CoV-2 specifically for laboratories worldwide.
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