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Table 1 List of antisense oligonulceotides used in this study

From: Inhibition of porcine reproductive and respiratory syndrome virus replication in vitro using DNA-based short antisense oligonucleotides

Name of AS-ON

Sequence

Target gene

Position within the target gene

GC content (%)

Overall ΔG°37

Duplex ΔG°37

Break targ. ΔG°37

Oligo-self ΔG°37

Oligo-oligo ΔG°37

Tm (°c)

5UP2

5′-CAAGGCATAGAGCCAACACC-3′

2 nt mismatching

11–30 bp

55

      

5UP2*

5′-CGTGGCATAGAGCCAACACC-3′

5′UTR

11–30 bp

60

−22.3

−24.9

0

−2.6

−6.8

68.9

YN1

5′-TGGGCTGTGCCAGTGGTCAC-3′

5′UTR

52–71 bp

65

−20.6

−41.1

−15.7

−4.8

−12.6

93.1

YN2

5′-GATTGAAGGCAGTCTGGATC-3′

ORF7

234–253 bp

50

−16.1

−22.6

−5.9

−0.3

−5.7

67.2

YN3

5′-TGCAACTCCGGAAGCAAGGT-3′

5′UTR

140–159 bp

55

−17.9

−25.4

−6.8

−0.5

−8

69.7

YN4

5′-CAGCTCACATAGCGTCAAAT-3′

ORF5

131–150 bp

45

−25.2

−36.1

−9.3

−1.5

−6.4

86.7

YN5

5′--CGTACGACGGTAGATGCTCT-3′

NSP9

1266–1285 bp

55

−23.5

−25

−0.4

−0.7

−7.8

69.6

YN6

5′-CGACGACAGACACAACTGCC-3′

ORF7

215–237 bp

60

−14.1

−24.5

−9.6

−0.6

−6.4

66.4

YN7

5′- CTGGATCGACAGACAGACACA-3′

ORF7

221–240 bp

55

−15.9

−38

−20.6

−1.4

−9.5

87.5

YN8

5′-TGCAGCATCCTCACAACCGT-3′

NSP9

704–723 bp

55

−23.1

−27.8

−4.7

0

−5.9

75.3

  1. The thermodynamic parameters are free energy changes at 37 °C in kcal/mol. “Overall ΔG°37” is the total free energy change of binding for a structured target and structured oligonucleotide. “Duplex ΔG°37” is the free energy change of duplex formation between the oligonucleotide and target. “Break Targ. ΔG°37” is the free energy cost of opening target secondary structure. “Oligo Self ΔG°37” and “Oligo-Oligo ΔG°37” are the free energy costs of opening unimolecular and bimolecular self-structure in the oligonucleotide, respectively. The Tm is the melting temperature of duplex formation in °C, not accounting for self-structure in target or oligonucleotide