Comparative analysis of 37 Acinetobacter bacteriophages

Dann Turner*, Hans Wolfgang Ackermann, Andrew M. Kropinski, Rob Lavigne, J. Mark Sutton, Darren M. Reynolds

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)


Members of the genus Acinetobacter are ubiquitous in the environment and the multipledrug resistant species A. baumannii is of significant clinical concern. This clinical relevance is currently driving research on bacterial viruses infecting A. baumannii, in an effort to implement phage therapy and phage-derived antimicrobials. Initially, a total of 42 Acinetobacter phage genome sequences were available in the international nucleotide sequence databases, corresponding to a total of 2.87 Mbp of sequence information and representing all three families of the order Caudovirales and a single member of the Leviviridae. A comparative bioinformatics analysis of 37 Acinetobacter phages revealed that they form six discrete clusters and two singletons based on genomic organisation and nucleotide sequence identity. The assignment of these phages to clusters was further supported by proteomic relationships established using OrthoMCL. The 4067 proteins encoded by the 37 phage genomes formed 737 groups and 974 orphans. Notably, over half of the proteins encoded by the Acinetobacter phages are of unknown function. The comparative analysis and clustering presented enables an updated taxonomic framing of these clades.

Original languageEnglish
Article number5
Issue number1
Publication statusPublished - Jan 2018

Bibliographical note

Publisher Copyright:
© 2017 by the authors. Licensee MDPI, Basel, Switzerland.


  • Acinetobacter baumannii
  • Acinetobacter phages
  • Bacteriophages
  • Bioinformatics
  • Comparative genomics
  • Phylogeny
  • Protein clustering


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