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Genomic and phylogenetic traits of Staphylococcus phages S25-3 and S25-4 (family Myoviridae,genus Twort-like viruses) |
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| Authors: | Iyo Takemura-Uchiyama Jumpei Uchiyama Shin-ichiro Kato Takako Ujihara Masanori Daibata Shigenobu Matsuzaki |
| Institution: | 1. Department of Microbiology and Infection, Faculty of Medicine, Kochi University, Kochi, Japan 2. Center for Innovative and Translational Medicine, Faculty of Medicine, Kochi University, Kochi, Japan 3. Research Institute of Molecular Genetics, Kochi University, Kochi, Japan 4. Science Research Center, Kochi University, Kochi, Japan |
| Abstract: | The genomes of Staphylococcus phages S25-3 and S25-4 (family Myoviridae, genus Twort-like viruses) were sequenced and analyzed from an evolutionary perspective. The genome-based phylogeny and genome analyses of phages S25-3 and S25-4 showed that they had diverged evolutionarily from the majority of this viral genus based on the presence of mobile genetic elements, i.e., a putative transposase and the homing endonuclease I-MsaI. These results suggest that genetic elements such as transposases and homing endonucleases are likely to be involved with the evolution of some Twort-like phages, including phages S25-3 and S25-4. |
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