Fast, low-cost and highly specific colorimetric RT-LAMP assays for inference of SARS-CoV-2 Omicron BA.1 and BA.2 lineages

Author:

Estrela Paulo Felipe Neves1ORCID,dos Santos Carlos Abelardo2,Resende Paola Cristina3,Lima Patricia Mayer3,da Silva Thauane dos Santos Correia3,Saboia-Vahia Leonardo3,Siqueira Marilda Mendonça3,Silveira-Lacerda Elisângela de Paula2ORCID,Duarte Gabriela Rodrigues Mendes1ORCID

Affiliation:

1. Laboratório de Biomicrofluídica – Instituto de Química – Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil

2. Laboratório de Genética Molecular e Citogenética – Instituto de Ciências Biológicas – Universidade Federal de Goiás, 74001-970, Goiânia, GO, Brazil

3. Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute, FIOCRUZ, Reference Laboratory for COVID-19 (WHO), 21040-360, Manguinhos, Rio de Janeiro, RJ, Brazil

Abstract

The RT-LAMP assays can quickly and cheaply infer and distinguish colorimetrically two lineages (BA.1 and BA.2) of the Omicron variant, enabling the rationalization of genetic sequencing.

Funder

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Fundação de Amparo à Pesquisa do Estado de Goiás

Publisher

Royal Society of Chemistry (RSC)

Subject

Electrochemistry,Spectroscopy,Environmental Chemistry,Biochemistry,Analytical Chemistry

Reference38 articles.

1. Waves and variants of SARS-CoV-2: understanding the causes and effect of the COVID-19 catastrophe

2. World Health Organization. Coronavirus (COVID-19) Dashboard, https://covid19.who.int/

3. Outbreak.info, https://outbreak.info/

4. Global Initiative on Sharing All Influenza Data, https://www.gisaid.org/

5. OMICRON (B.1.1.529): A new SARS‐CoV‐2 variant of concern mounting worldwide fear

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