A Distinct Group II Alphabaculovirus Isolated from a Peridroma Species

George F Rohrmann1, Martin A Erlandson2, David A Theilmann3

  • 1Department of Microbiology, Oregon State University, Corvallis, Oregon, USA rohrmanng@orst.edu.

Genome Announcements
|April 4, 2015
PubMed

Insights

Researchers identified a novel alphabaculovirus from a Peridroma species. This virus belongs to a group II lineage, showing close relation to those found in Spodoptera exigua and Agrotis segetum.

Area of Science:

  • Virology
  • Genomics
  • Entomology

Background:

  • Alphabaculoviruses are double-stranded DNA viruses used as biopesticides.
  • Classification of alphabaculoviruses is based on genomic and phylogenetic analyses.
  • Peridroma species are Lepidopteran pests.

Purpose of the Study:

  • To characterize a novel alphabaculovirus isolated from a Peridroma species.
  • To determine the phylogenetic position of this novel virus within the Alphabaculoviridae family.

Main Methods:

  • Genome sequencing of the isolated alphabaculovirus.
  • Bioinformatic analysis of the genome sequence.
  • Phylogenetic analysis using established methods.

Main Results:

  • The genome sequence of the novel alphabaculovirus was determined to be 151,110 nucleotides.
  • The G+C content of the genome was found to be 53.3%.
  • Phylogenetic analysis placed the virus as a novel member of the group II lineage, closely related to alphabaculoviruses from Spodoptera exigua and Agrotis segetum.

Conclusions:

  • The isolated alphabaculovirus represents a new species within the Alphabaculoviridae family.
  • This finding expands our understanding of alphabaculovirus diversity and evolution.
  • The close relationship to Spodoptera and Agrotis alphabaculoviruses suggests potential ecological or evolutionary links.