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Genetic and biological characterizations of a Newcastle disease virus from swine in china

Xiaoyuan Yuan12, Youling Wang2, Jinxing Yang2, Huaiying Xu2, Yuxia Zhang2, Zhuoming Qin2, Hongbin Ai1* and Jinbao Wang12*

Author Affiliations

1 College of Life Science, Shandong Normal University, Jinan, 250014, People's Republic of China

2 Shandong Academy of Agricultural Sciences, Jinan, 250023, People's Republic of China

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Virology Journal 2012, 9:129  doi:10.1186/1743-422X-9-129

Published: 2 July 2012



Newcastle Disease Virus (NDV) has been considered to only infect avian species. However, one paramyxovirus named as Xiny10 was isolated from swine. The differences of Xiny10, another previous swine NDV (JL01) and vaccine strain La Sota were compared on the basis of sequences of the whole-lengthen Fusion (F) gene and biological characteristics.


Through serologic tests and sequence alignment, Xiny10 was proved as NDV. It has great differences with JL01 in virulence, biological characteristics, genotype and amino acid homology of F gene. The sequence alignment showed Xiny10 and La Sota both belonged to genotype II. It shared 97.3% to 98.7% identities with genotype II NDVs, which was higher than these strains from the other genotypes.


These above data suggested that the swine virus was NDV and it might be generated from La Sota.

NDV; Swine; Genetic and biological characterizations; F gene