Characteristics and complete genome analysis of a novel jumbo phage infecting pathogenic Bacillus pumilus causing ginger rhizome rot disease
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Tailed phages with genomes larger than 200 kbp are classified as jumbo phage and exhibit extremely high diversity. In this study, a novel jumbo phage, vB_BpuM_BpSp, infecting pathogenic Bacillus pumilus, the cause of ginger rhizome rot disease, was isolated. Notable features of phage vB_BpuM_BpSp are the large phage capsid of 137 nm and baseplate-attached curly tail fibers. The genome of the phage is 255,569 bp in size with G+C content of 25.9 %, and it shows low similarity to known biological entities. The phage genome contains 318 predicted coding sequences. Among these predicted coding sequences, 26 genes responsible for nucleotide metabolism were found, and seven structural genes could be identified. The findings of this study provide new understanding of the genetic diversity of phages.
KeywordsPhage Genome Endolysin Tail Fiber LysM Domain Predict Code Sequence
This study was supported by the National Natural Science Foundation of China (No. 31500155, 31170123).
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