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Table 2 Nucleotide sequence comparison between the genes segments of the studied Algerian H9N2 strains and selective isolates (percent identity, %)

From: Full-length genome sequences of the first H9N2 avian influenza viruses isolated in the Northeast of Algeria

Algerian strains Genes References strains Contemporary Algerian’s strains Strains from neighboring country UAE
HK-G1 HK-Y280 HK-Y439 CK-Bei HK-G9 Alg-216 Alg-225 Morocco-SF1 Morocco-SF5 Tun-12 Tin-51 Dubai-D2506.A
19BDD PB2 86.77 84.75 85.79 84.89 88.18 98.90 98.95 99.12 99.08 93.16 93.16 98.59
PB1 88.13 87.06 88.54 88.60 88.10 99.08 99.08 99.47 99.52 94.17 94.17 98.33
PA 88.76 87.14 91.80 87.65 86.81 99.30 99.35 99.35 99.44 94.61 94.61 98.74
HA 89.14 86.64 81.75 87.57 87.35 98.92 98.80 99.16 98.92 92.53 92.53 98.62
NP 94.33 87.50 91.10 87.81 88.43 99.13 99.27 99.20 99.13 95.32 95.32 97.86
NA 89.68 87.49 84.08 89.05 87.46 98.37 98.37 99.22 99.36 92.20 92.35 98.44
M 94.16 92.86 89.50 93.02 93.24 98.79 98.79 99.39 99.28 96.23 96.23 98.35
NS 88.70 88.94 91.47 89.54 89.23 99.41 99.41 99.05 99.28 95.15 95.15 98.58
9BDD PB2 86.82 84.75 85.79 84.89 87.37 98.95 98.99 99.16 99.12 93.20 93.20 98.63
PB 1 88.04 87.97 88.45 88.51 88.10 99.08 99.08 99.47 99.52 94.17 94.17 98.33
PA 88.76 87.14 91.80 87.65 86.81 99.30 99.35 99.35 99.44 94.61 94.61 98.74
HA 89.14 86.64 81.75 87.57 87.35 98.92 98.80 99.16 98.92 92.53 92.53 98.62
NP 94.33 87.50 91.10 87.81 88.43 99.13 99.27 99.20 99.13 95.32 95.32 97.86
NA 89.68 87.49 84.08 89.05 87.46 98.37 98.37 99.22 99.36 92.20 92.35 98.44
M 94.16 92.87 89.51 93.02 93.35 98.89 98.89 99.39 99.28 96.23 96.23 98.35
NS 88.70 88.94 91.47 89.54 89.23 99.41 99.41 99.05 99.28 95.15 95.15 98.58
6BDD PB2 87.04 85.06 86.10 85.20 87.59 99.04 99.08 99.25 99.21 93.29 93.29 98.68
PB 1 88.13 88.06 88.54 88.60 88.18 98.81 98.81 99.21 99.25 93.94 93.94 98.07
PA 88.39 86.82 91.52 87.32 86.49 98.88 98.93 98.93 99.02 94.19 94.19 98.33
HA 89.15 86.71 82.07 87.70 87.40 98.50 98.38 98.86 98.62 92.30 92.29 98.32
NP 94.19 87.50 90.98 87.74 88.31 99.13 99.26 99.20 99.13 95.12 95.12 97.86
NA 89.46 87.14 83.94 88.77 87.31 98.23 98.23 99.08 99.22 92.06 92.20 98.30
M 94.16 92.67 89.61 92.81 93.25 98.99 98.99 99.59 99.49 96.44 96.44 98.55
NS 88.46 88.70 91.47 89.30 88.99 99.17 99.17 98.81 99.04 94.91 94.91 98.34
  1. HK-G1: A/Quail/Hong Kong/G1/97. HK-Y280: A/Duck/Hong Kong/Y280/97. HK-Y439: A/duck/Hong Kong/Y439/97. CK-Bei: A/Chicken/ Beijing/1/94. HK-G9: A/Chicken/Hong Kong/G9/1997. Alg-216: A/Chicken/Algeria/216/2017. Alg-225: A/Chicken/Algeria/225/2017. Morocco-SF1: A/Chicken/Morocco/SF1/2016. Morocco-SF5: A/Chicken/Morocco/SF5/2016. Tun-12: A/Chicken/Tunisia/12/2010. Tun-51: A/MigratoryBird/Tunisia/51/2010. UAE: United Arab Emirates. Dubai-D2506.A: A/Chicken/Dubai/D2506.A/2015