LAMP-Seq enables sensitive, multiplexed COVID-19 diagnostics using molecular barcoding.
Journal
Nature biotechnology
ISSN: 1546-1696
Titre abrégé: Nat Biotechnol
Pays: United States
ID NLM: 9604648
Informations de publication
Date de publication:
12 2021
12 2021
Historique:
received:
20
10
2020
accepted:
26
05
2021
pubmed:
1
7
2021
medline:
24
12
2021
entrez:
30
6
2021
Statut:
ppublish
Résumé
Frequent testing of large population groups combined with contact tracing and isolation measures will be crucial for containing Coronavirus Disease 2019 outbreaks. Here we present LAMP-Seq, a modified, highly scalable reverse transcription loop-mediated isothermal amplification (RT-LAMP) method. Unpurified biosamples are barcoded and amplified in a single heat step, and pooled products are analyzed en masse by sequencing. Using commercial reagents, LAMP-Seq has a limit of detection of ~2.2 molecules per µl at 95% confidence and near-perfect specificity for severe acute respiratory syndrome coronavirus 2 given its sequence readout. Clinical validation of an open-source protocol with 676 swab samples, 98 of which were deemed positive by standard RT-qPCR, demonstrated 100% sensitivity in individuals with cycle threshold values of up to 33 and a specificity of 99.7%, at a very low material cost. With a time-to-result of fewer than 24 h, low cost and little new infrastructure requirement, LAMP-Seq can be readily deployed for frequent testing as part of an integrated public health surveillance program.
Identifiants
pubmed: 34188222
doi: 10.1038/s41587-021-00966-9
pii: 10.1038/s41587-021-00966-9
pmc: PMC8678193
mid: NIHMS1724088
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1556-1562Subventions
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : LU-1944/3-1
Organisme : NIMH NIH HHS
ID : R01 MH110049
Pays : United States
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : EXC2151 - 390873048
Organisme : Bundesministerium für Bildung und Forschung (Federal Ministry of Education and Research)
ID : 01KX2021
Organisme : NHLBI NIH HHS
ID : DP1 HL141201
Pays : United States
Organisme : NHGRI NIH HHS
ID : R01 HG009761
Pays : United States
Commentaires et corrections
Type : ErratumIn
Informations de copyright
© 2021. The Author(s), under exclusive licence to Springer Nature America, Inc.
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