Genetic characterization of one duck-origin paramyxovirus type 4 strain in China

Xiaoyuan Yuan1, Kai Meng1, Yuxia Zhang1

  • 1Institute of Poultry Science, Shandong Academy of Agricultural Sciences, Ji'nan, China.

Insights

Avian paramyxovirus type 4 (APMV-4) in ducks was analyzed in China. Genetic data suggest APMV-4 spreads between wild birds and poultry through migration, impacting avian paramyxovirus epidemiology.

Area of Science:

  • Veterinary Virology
  • Molecular Epidemiology
  • Avian Infectious Diseases

Background:

  • Avian paramyxovirus type 4 (APMV-4) is increasingly detected in wild and domestic birds.
  • Limited data exist on APMV-4 molecular characteristics and transmission dynamics.
  • Understanding APMV-4 is crucial for avian paramyxovirus genetic diversity and epidemiology.

Purpose of the Study:

  • To characterize a novel APMV-4 strain isolated from a duck in China.
  • To investigate the genetic lineage and regional transmission of APMV-4.

Main Methods:

  • Isolation and complete genome sequencing of an APMV-4 strain (QY17) from a duck.
  • Phylogenetic analysis of the fusion gene and whole genome.

Main Results:

  • The complete genome of the APMV-4 QY17 strain was determined (15,054 nt).
  • QY17 belongs to the Eurasian lineage of APMV-4.
  • Phylogenetic analysis revealed close genetic relationships with APMV-4 strains from neighboring wildfowl populations.

Conclusions:

  • The duck-origin APMV-4 strain QY17 provides insights into viral genetic diversity.
  • Findings suggest potential viral exchange between wild birds and poultry via migration routes.
  • This highlights the importance of monitoring APMV-4 in wild bird populations for disease control.

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