Novel avian orthoavulavirus 13 in wild migratory waterfowl: biological and genetic considerations

Avian orthoavulavirus 13 (AOAV-13), formerly known as Avian paramyxovirus 13 (APMV-13), is found scatteredly in wild birds around the world. Although four complete genome sequences of AOAV-13 had been identified since the first discovery in Japan in 2003, the information available on the genetic var...

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Bibliographic Details
Published in:Veterinary research communications 2022-02, Vol.46 (1), p.159-168
Main Authors: Fei, Yidong, Ding, Zhuang, Cong, Yanlong, Chen, Jianjun, Yin, Renfu
Format: Article
Language:English
Subjects:
Animals
Avulavirus
Avulavirus Infections - veterinary
Biomedical and Life Sciences
Bird migration
Chickens
Ecology
Feces
Genetic diversity
Genomes
Laboratory animals
Life Sciences
Original Article
Phylogeny
Polymerase chain reaction
Poultry
Poultry Diseases
Veterinary medicine
Veterinary Medicine/Veterinary Science
Viruses
Waterfowl
Zoology
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Summary:Avian orthoavulavirus 13 (AOAV-13), formerly known as Avian paramyxovirus 13 (APMV-13), is found scatteredly in wild birds around the world. Although four complete genome sequences of AOAV-13 had been identified since the first discovery in Japan in 2003, the information available on the genetic variation and biological characteristics of AOAV-13 is still limited. In the present study, we isolated six AOAV-13 strains from fecal samples of wild migratory waterfowls during annual (2014–2018) viral surveillance of wild bird populations from wetland and domestic poultry of live bird markets (LBMs) in China. The phylogenetic analyses based on the HN and F genes showed that they had very close relationship and the molecular clock estimations showed a low evolutionary rate of AOAV-13. However, Bean goose/Hubei/V97–1/2015 is 1953 nt in size (ORF, 1, 776 nt), which is a unique size and longer than other reported AOAV-13 strains. Additionally, four repeats of conserved sequences “AAAAAT” was presented in the 5′-end trailer region of Swan goose/Hubei/VI49–1/2016, which is unprecedented in the AOAV-13. These findings highlight the importance of continuous monitoring the specific species of APMVs.
ISSN:0165-7380
1573-7446
DOI:10.1007/s11259-021-09839-7