About: A novel virulent bacteriophage, vB_BbrM_PHB04, infecting Bordetella bronchiseptica was isolated from wastewater collected at a swine farm in China. Phage vB_BbrM_PHB04 exhibited growth over a wide range of temperature and pH conditions and showed different efficiency of plating values and lytic spectra within the same strains at 25 °C and 37 °C. High-throughput sequencing revealed that vB_BbrM_PHB04 has a linear double-stranded DNA genome with 124 putative open reading frames. Overall, the genome of vB_BbrM_PHB04 showed very low similarity (the highest nucleotide identity 82%, 1% coverage) to other phage sequences in the GenBank database. Phylogenetic analysis indicated that vB_BbrM_PHB04 is a new member of the family Myoviridae. In addition, polymerase chain reaction-based detection of phage genes in phage-resistant B. bronchiseptica variants revealed no evidence of lysogenic activity of phage vB_BbrM_PHB04. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s00705-018-4034-0) contains supplementary material, which is available to authorized users.   Goto Sponge  NotDistinct  Permalink

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  • A novel virulent bacteriophage, vB_BbrM_PHB04, infecting Bordetella bronchiseptica was isolated from wastewater collected at a swine farm in China. Phage vB_BbrM_PHB04 exhibited growth over a wide range of temperature and pH conditions and showed different efficiency of plating values and lytic spectra within the same strains at 25 °C and 37 °C. High-throughput sequencing revealed that vB_BbrM_PHB04 has a linear double-stranded DNA genome with 124 putative open reading frames. Overall, the genome of vB_BbrM_PHB04 showed very low similarity (the highest nucleotide identity 82%, 1% coverage) to other phage sequences in the GenBank database. Phylogenetic analysis indicated that vB_BbrM_PHB04 is a new member of the family Myoviridae. In addition, polymerase chain reaction-based detection of phage genes in phage-resistant B. bronchiseptica variants revealed no evidence of lysogenic activity of phage vB_BbrM_PHB04. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s00705-018-4034-0) contains supplementary material, which is available to authorized users.
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  • Virology
  • Biology
  • Bacteriophages
  • Myoviridae
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