Host range and molecular characterization of a lytic Pradovirus‑like Ralstonia phage RsoP1IDN isolated from Indonesia
Addy, Hardian Susilo
Farid, Moh Miftah
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A lytic Ralstonia solanacearum-infecting phage designated Ralstonia phage RsoP1IDN was isolated from soil in Indonesia. The phage has a linear double-stranded DNA genome of 41,135 bp with 413-bp terminal repeats,and contains 41 annotated open reading frames. The phage is most closely related to Ralstonia phage RSB1, but di erent from RSB1 mainly in containing a putative HNH homing endonuclease and having a narrower host range. Our phylogenetic and genomic analyses revealed that both phages RsoP1IDN and RSB1 belong to the genus Pradovirus or a new genus, and not Phikmvvirus as previously reported for phage RSB1. RsoP1IDN is the rst sequenced and characterized R. solanacearum-infecting phage isolated from Indonesia in the proposed species Ralstonia virus RsoP1IDN.