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Table 4 Nucleotide positions in the F-gene sequence of the Japanese field strains that were under negative selection a

From: Molecular epidemiology of Newcastle disease virus isolates from vaccinated commercial poultry farms in non-epidemic areas of Japan

Nucleotide position

dSb

dNc

dN/dS

Normalized dN-dS

p-value

29

70.9

0.0

0.0

āˆ’599.4

0.01

80

10.4

0.0

0.0

āˆ’88.1

0.04

94

64.8

0.0

0.0

āˆ’547.6

0.01

102

32.4

0.0

0.0

āˆ’273.7

0.01

106

175.4

0.0

0.0

āˆ’1482.8

0.04

109

31.2

0.0

0.0

āˆ’263.8

0.03

139

10.5

0.0

0.0

āˆ’88.1

0.03

151

196.7

0.0

0.0

āˆ’1662.4

0.02

164

10.2

0.0

0.0

āˆ’85.9

0.03

173

10.4

0.0

0.0

āˆ’88.1

0.04

198

17.6

0.0

0.0

āˆ’148.7

0.03

229

33.4

0.0

0.0

āˆ’282.5

0.03

230

58.2

0.0

0.0

āˆ’491.6

0.02

278

10.4

0.0

0.0

āˆ’88.1

0.04

294

17.6

0.0

0.0

āˆ’148.7

0.03

295

36.7

0.0

0.0

āˆ’310.1

0.03

354

33.4

0.0

0.0

āˆ’282.5

0.03

378

86.0

0.0

0.0

āˆ’726.7

0.00

405

31.2

0.0

0.0

āˆ’263.8

0.03

416

31.2

0.0

0.0

āˆ’263.8

0.02

428

215.0

0.0

0.0

āˆ’1816.5

0.02

470

58.2

0.0

0.0

āˆ’491.7

0.01

474

32.4

0.0

0.0

āˆ’273.7

0.01

583

19.8

0.0

0.0

āˆ’167.5

0.04

510

33.7

0.0

0.0

āˆ’284.4

0.02

  1. a dNā€‰<ā€‰dS negative selection, dNā€‰>ā€‰dS positive selection, dNā€‰=ā€‰dS neutral; bnumber of synonymous substitutions per synonymous site; cnumber of non-synonymous substitutions per non-synonymous site.