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Table 3 Transition/transversion and non-synonymous mutations of viruses passaged for 5 generations

From: The PB1 gene from H9N2 avian influenza virus showed high compatibility and increased mutation rate after reassorting with a human H1N1 influenza virus

Virus strain

Origination of the 5th generation

SBS Count

Ts

Tv

PTs

PTv

Ratio of PTs and PTv

Non-synonymous count

Non-synonymous percentagea

Run1

Run2

Run1

Run2

Run1

Run2

Run1

Run2

Run1

Run2

Run1

Run2

Run1

Run2

Run1

Run2

A2093

MDCK

0

0

0

0

0

0

0

0

0

0

na

na

0

0

na

na

WSN

MDCK

3

9

3

9

0

0

0.0686

0.199

0

0

na

na

1

5

33.33%

55.56%

A2093HANAPB1/WSN

MDCK

1

1

0

1

1

0

0

0.181

0.225

0

0

na

1

0

100.00%

0.00%

A2093HANAPA/WSN

MDCK

0

0

0

0

0

0

0

0

0

0

na

na

0

0

na

na,

A2093HANANP/WSN

MDCK

2

na

1

na

1

na

0.0174

na

0.492

na

0.035

na

1

na

50.00%

na

A2093

MOUSE LUNG

10

6

5

4

5

2

0.2446

0.228

0.109

0.074

2.249

3.092

10

6

100.00%

100.00%

WSN

MOUSE LUNG

18

13

11

13

7

0

0.33

0.362

0.069

0

4.769

na

14

9

77.78%

69.23%

A2093HANAPB1/WSN

MOUSE LUNG

14

10

7

7

7

3

0.2554

0.249

0.811

0.771

0.315

0.323

11

8

78.57%

80.00%

A2093HANAPA/WSN

MOUSE LUNG

4

3

3

3

1

0

0.9448

0.949

0.014

0

67.14

na

4

3

100.00%

100.00%

A2093HANANP/WSN

MOUSE LUNG

7

5

2

2

5

3

0.0986

0.093

0.092

0.068

1.07

1.375

6

4

85.71%

80.00%

  1. Ts (Tv) indicated the number of transition (transversion); PTs (PTv) indicated the sum of the substitution frequency of all the valid transition (transversion). The cutoff value of fi > 0.01 was to guarantee the observed transitions or transversions were not from system error of sequencing and PCR progress. The value 0 indicated no locations has the fi > 0.006; na. indicated no NGS data or calculation unavailable. aquestionable results of progeny viruses in MDCK passaging line because of the observed numbers of SBS were too less for statistical calculation