Unknown

Dataset Information

0

SARS-CoV-2 genomic surveillance in Taiwan revealed novel ORF8-deletion mutant and clade possibly associated with infections in Middle East.


ABSTRACT: Taiwan experienced two waves of imported infections with Coronavirus Disease 2019 (COVID-19). This study aimed at investigating the genomic variation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Taiwan and compared their evolutionary trajectories with the global strains. We performed culture and full-genome sequencing of SARS-CoV-2 strains followed by phylogenetic analysis. A 382-nucleotides deletion in open reading frame 8 (ORF8) was found in a Taiwanese strain isolated from a patient on February 4, 2020 who had a travel history to Wuhan. Patients in the first wave also included several sporadic, local transmission cases. Genomes of 5 strains sequenced from clustered infections were classified into a new clade with ORF1ab-V378I mutation, in addition to 3 dominant clades ORF8-L84S, ORF3a-G251V and S-D614G. This highlighted clade also included some strains isolated from patients who had a travel history to Turkey and Iran. The second wave mostly resulted from patients who had a travel history to Europe and Americas. All Taiwanese viruses were classified into various clades. Genomic surveillance of SARS-CoV-2 in Taiwan revealed a new ORF8-deletion mutant and a virus clade that may be associated with infections in the Middle East, which contributed to a better understanding of the global SARS-CoV-2 transmission dynamics.

SUBMITTER: Gong YN 

PROVIDER: S-EPMC7473175 | biostudies-literature |

REPOSITORIES: biostudies-literature

Similar Datasets

| S-EPMC4806954 | biostudies-literature
| S-EPMC5285495 | biostudies-literature
| S-EPMC7813562 | biostudies-literature
| S-EPMC7577707 | biostudies-literature
2022-07-20 | GSE186625 | GEO
| S-EPMC7323557 | biostudies-literature
| S-EPMC5367404 | biostudies-literature
| S-EPMC5770030 | biostudies-literature
| S-EPMC3895322 | biostudies-literature
2020-06-10 | GSE152200 | GEO