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<p><i>Pseudoalteromonas</i> is a group of marine bacteria widespread in diverse marine sediments, producing a wide range of bioactive compounds. However, only a limited number of <i>Pseudoalteromonas</i> phages have been isolated and studied. In this study, a novel lytic <i>Pseudoalteromonas</i> phage, denoted as vB_PalP_Y7, was isolated from sewage samples collected at the Seafood Market in Qingdao, China. vB_PalP_Y7 remained stable across a wide range of temperatures (−20–50 °C) and a wide pH range (3–12). The vB_PalP_Y7 phage harbors a linear double-stranded DNA molecule of 57 699 base pairs (bp) with a G+C content of 45.90%. Furthermore, it is predicted to contain 58 open reading frames (ORFs). Phylogenetic analysis and protein network relationship analysis revealed low similarity between vB_PalP_Y7 and viruses in the ICTV and IMG/VR4 database, suggesting that vB_PalP_Y7 may be a potential new genus, <i>Miuvirus</i>. This study contributed valuable insights to comprehend the relationship between <i>Pseudoalteromonas</i> phages and their host organisms.</p>

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Characterization and genomic analysis of Pseudoalteromonas phage vB_PalP_Y7, representing a novel viral genus, Miuvirus

  • 期刊论文

  • 发表日期：

    2025年1月2日

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  • Miaolan Wu,
  • Hongmin Wang,
  • Ye Mi,
  • Yantao Liang,
  • Kaiyang Zheng,
  • Yundan Liu,
  • Yue Dong,
  • Linyi Ren,
  • Yue Su,
  • Hongbing Shao,
  • Yeong Yik Sung,
  • Wen Jye Mok,
  • Li Lian Wong,
  • Min Wang

摘要

Pseudoalteromonas is a group of marine bacteria widespread in diverse marine sediments, producing a wide range of bioactive compounds. However, only a limited number of Pseudoalteromonas phages have been isolated and studied. In this study, a novel lytic Pseudoalteromonas phage, denoted as vB_PalP_Y7, was isolated from sewage samples collected at the Seafood Market in Qingdao, China. vB_PalP_Y7 remained stable across a wide range of temperatures (−20–50 °C) and a wide pH range (3–12). The vB_PalP_Y7 phage harbors a linear double-stranded DNA molecule of 57 699 base pairs (bp) with a G+C content of 45.90%. Furthermore, it is predicted to contain 58 open reading frames (ORFs). Phylogenetic analysis and protein network relationship analysis revealed low similarity between vB_PalP_Y7 and viruses in the ICTV and IMG/VR4 database, suggesting that vB_PalP_Y7 may be a potential new genus, Miuvirus. This study contributed valuable insights to comprehend the relationship between Pseudoalteromonas phages and their host organisms.