Genome-wide identification and prediction of SARS-CoV-2 mutations show an abundance of variants: Integrated study of bioinformatics and deep neural learning.
PMID: 34812411
2021
Informatics in medicine unlocked
Result: Mutations [L5F, and R80I], S97I, and [L46C, V48G, G49I, Q57H, W131R, G172V, Q185H, and Y206S] were identified to have a deleterious effect on ORF7a, ORF8, and ORF3a proteins, respectively.
Result: Out of 46, 25 missense mutations (D1118H, S194L, R262H, M809L, P314L, A8D, PMID: 34834948
2021
Viruses
Result: We found amino acid substitutions in Spike (D614G), N (D377Y, P67S, P199L), NS3 (G172V, Q57H), NS8 (S24L) NSP2 (T85I), NSP4 (M458I), NSP5 (L89F), NSP12 (P323L), NSP14 (N129D), and NSP16 (R216C) proteins.
A next generation sequencing (NGS) analysis to reveal genomic and proteomic mutation landscapes of SARS-CoV-2 in South Asia.
PMID: 34841355
2021
Current research in microbial sciences
Result: According to the H-clades (Q57H), 71 South Asian samples (13.71%) were clustered where the samples of India (44) were found as the most dominant one.
Table: Q57H
Genome-wide characterization of SARS-CoV-2 cytopathogenic proteins in the search of antiviral targets.
Abstract: To further characterize the mechanism, we tested a natural ORF3a Beta variant, Q57H, and a mutant with deletion of the highly conserved residue, DeltaG188.
Method: The ORF3a mutant variants (Q57H and DeltaG188) were generated by overlapping PCR with mutant-specific primers (Table S1) and cloned onto the same pLVX-EF1alpha-IRES-Puro plasmid via Gibson assembly method.
Discussion: For example, the Q57H mutant was predicted to bind S protein, whereas the wildtype does not.
Discussion: However, our data cannot rule out the possibility that the Q57H mutant may have other effects on viral pathogenesis.
Discussion: It would be of interest to test whether the
SARS-CoV-2 genetic variations associated with COVID-19 pathogenicity.
SARS-CoV-2 genetic diversity and variants of concern in Saudi Arabia.
PMID: 35044933
2021
Journal of infection in developing countries
Abstract: Risk of death was highest with the NSP12_P323L mutation (OR = 1.84; 95% CI = 0.37-9.30) and lowest with the NS3_Q57H mutation (OR = 0.43; 95% CI = 0.25-0.727).
Abstract: The NS3_Q57H mutation was the only variant associated with better patient outcome than the wild type.
Abstract: The most common variants detected were the NSP12_P323L mutation 94.9%, followed by the D614G mutation (76%) and the NS3_Q57H mutation (71.4%).
Genome Sequencing Reveals a Mixed Picture of SARS-CoV-2 Variant of Concern Circulation in Eastern Uttar Pradesh, India.
Result: It is noteworthy that substitution D614G in spike (S) protein was found in all G and its variant clade GH and GR, while Q57H substitution located in ORF3a protein was only found in 15 cases distributed among GH (n = 9), GR (n = 5), and O (n = 1) clade from the first wave (Supplementary Table 3).
Importation, circulation, and emergence of variants of SARS-CoV-2 in the South Indian state of Karnataka.