July 7, 2019  |  

The odd one out: Bacillus ACT bacteriophage CP-51 exhibits unusual properties compared to related Spounavirinae W.Ph. and Bastille.

Authors: Klumpp, Jochen and Schmuki, Martina and Sozhamannan, Shanmuga and Beyer, Wolfgang and Fouts, Derrick E and Bernbach, Vanessa and Calendar, Richard and Loessner, Martin J

The Bacillus ACT group includes three important pathogenic species of Bacillus: anthracis, cereus and thuringiensis. We characterized three virulent bacteriophages, Bastille, W.Ph. and CP-51, that infect various strains of these three species. We have determined the complete genome sequences of CP-51, W.Ph. and Bastille, and their physical genome structures. The CP-51 genome sequence could only be obtained using a combination of conventional and second and third next generation sequencing technologies - illustrating the problems associated with sequencing highly modified DNA. We present evidence that the generalized transduction facilitated by CP-51 is independent of a specific genome structure, but likely due to sporadic packaging errors of the terminase. There is clear correlation of the genetic and morphological features of these phages validating their placement in the Spounavirinae subfamily (SPO1-related phages) of the Myoviridae. This study also provides tools for the development of phage-based diagnostics/therapeutics for this group of pathogens. Copyright © 2014 Elsevier Inc. All rights reserved.

Journal: Virology
DOI: 10.1016/j.virol.2014.06.012
Year: 2014

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