Table 1 Thermostable characteristics of NDV rTS09-C, rLaSota and chimeric viruses at 56 °C*.

From: Molecular basis for the thermostability of Newcastle disease virus

Virus

Time for 90% decrease in activity (min)

Percent Survival§ (%)

Thermostable Phenotype

Virus Titer (log10EID50/ml)

Infectivity

HA activity

rTS09-C

13.3 ± 4.1a

142.6 ± 38.7

42 ± 12

I + Ha+

9.50 ± 0.43

rTS-L-A

9.2 ± 2.4a

95.1 ± 24.4

28 ± 8

I + Ha+

9.32 ± 0.25

rTS-L-B

1.7 ± 0.3b

2.0 ± 0.6

0.085 ± 0.024

I− Ha−

8.95 ± 0.38

rTS-L-C

10.1 ± 1.9a

140.4 ± 24.9

32 ± 11

I + Ha+

9.53 ± 0.14

rLaSota

1.6 ± 0.2c

1.7 ± 0.5

0.078 ± 0.025

I− Ha−

9.25 ± 0.25

rLS-T-A

1.7 ± 0.1c

2.4 ± 0.3

0.085 ± 0.032

I− Ha−

9.41 ± 0.14

rLS-T-B

9.5 ± 3.1d

91.4 ± 31.6

30 ± 9

I + Ha+

9.04 ± 0.50

rLS-T-C

1.9 ± 0.5c

2.3 ± 0.3

0.27 ± 0.04

I− Ha−

9.33 ± 0.13

  1. *Data shown represented the averages of three independent experiments (Mean ± SD, n = 3). The different lowercase letters in the same backbone virus group indicate statistically significant differences (P < 0.05) of the time for 90% decrease in infectivity.
  2. §Of infectivity after heating for 5 minutes.
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