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<p>A novel bacteriophage, PA-1, was isolated using <i>Pantoea ananatis</i>, a bacterium that is responsible for rice leaf blight worldwide, as the host. PA-1 has a linear genome of 46,332 bp with a GC content of 50.55%. It contains 83 protein-encoding genes, and no tRNA-encoding genes were detected. The genome is densely organized, with an average CDS size of 516 bp, and 92.38% of the genome consists of protein-coding regions. Whole-genome sequencing and phylogenetic and morphological analysis showed that PA-1 is a novel phage that is phylogenetically distinct, suggesting that it may represent a new genus within the class <i>Caudoviricetes</i>.​</p>

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Complete genome sequence analysis of the novel bacteriophage PA-1 infecting phytopathogenic Pantoea ananatis in Malaysia

  • 期刊论文

  • 发表日期：

    2025年2月17日

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  • Pritpal Singh Sarmak Singh,
  • Wai Keat Toh,
  • Boon Hoe Lim,
  • Hann Ling Wong,
  • Pek Chin Loh

摘要

A novel bacteriophage, PA-1, was isolated using Pantoea ananatis, a bacterium that is responsible for rice leaf blight worldwide, as the host. PA-1 has a linear genome of 46,332 bp with a GC content of 50.55%. It contains 83 protein-encoding genes, and no tRNA-encoding genes were detected. The genome is densely organized, with an average CDS size of 516 bp, and 92.38% of the genome consists of protein-coding regions. Whole-genome sequencing and phylogenetic and morphological analysis showed that PA-1 is a novel phage that is phylogenetically distinct, suggesting that it may represent a new genus within the class Caudoviricetes.​