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Table 1 Oligonucleotides used in this study

From: Characterization of intrinsic and effective fitness changes caused by temporarily fixed mutations in the SARS-CoV-2 spike E484 epitope and identification of an epistatic precondition for the evolution of E484A in variant Omicron

Name

Sequence (5′ to 3′)

Application

F10 S:D614G F

TCTTTATCAGGGTGTTAACTGCAC

Mutagenesis PCR

F10 S:D614G R

ACAGCAACCTGGTTAGAAGTATTTG

Mutagenesis PCR

F9 S:E484Q F

CCTTGTAATGGTGTTCAAGGTT

Mutagenesis PCR

F9 S:E484A F

CCTTGTAATGGTGTTGCAGGTTTTAATTG

Mutagenesis PCR

F9 S:E484K F

CCTTGTAATGGTGTTAAGGGTTTTAATTG

Mutagenesis PCR

F9 S:E484Q/A/K R

TGTGCTACCGGCCTG

Mutagenesis PCR

F9 S:Q498R/N501Y F

GTTTCCGACCCACTTATGGTGTTG

Mutagenesis PCR

TAR F10b F

CCAACCATACAGAGTAGTAGTAC

TAR fragment

TAR F10 R

TCATGTTCAGAAATAGGACTTGTTG

TAR fragment [50]

TAR F9 F

GGAGTCACATTAATTGGAGAAGC

TAR fragment [50]

TAR F9 R

GCATCAGTAGTGTCAGCAATGTC

TAR fragment [50]

sgRNA N F

CGATCTCTTGTAGATCTGTTCTC

sgRNA N quantification

sgRNA N Prb

FAM/ CAG TAA CCA GAA TGG AGA ACG CAG /BHQ

sgRNA N quantification

sgRNA N R

CAGTATTATTGGGTAAACCTTGG

sgRNA N quantification

38F

GAAGTCAGACAAATCGCTCCAG

RT-PCR amplicon competition assay

38R

ACTAGCGCATATACCTGCACC

RT-PCR amplicon competition assay