Abstract
Phage PA-YS35 is a novel lytic Pseudomonas aeruginosa phage belonging to the Myoviridae family and was isolated from the sewage of the First Hospital of Jilin University. The biological properties testing indicated that phage PA-YS35 is stable between − 20 and 60 °C and pH 4–9. The one-step growth curve shows that the latent period of PA-YS35 was 9 min, and the burst period was about 21 min by the size of approximately 380 progeny phages per host cell. The genome of phage PA-YS35 is linear double-stranded DNA with a size of 93,296 bp and a GC content of 49.35%. The results from RAST gene annotation analysis showed that the PA-YS35 genome contains 172 open reading frames (ORFs); the function of 41 ORFs can be predicted, whereas the product of remaining 131 ORFs are hypothetical proteins. According to phylogenetic tree of RNA ligase encoding sequence, phage PA-YS35 has a close evolutionary relationship with Pseudomonas phage PAK P1 because both of them are located on the same branch. The study of phage PA-YS35 genome will provide useful information for further research on the interaction between phages and their hosts.
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Acknowledgements
This work was in part supported by the Bethune Researching Plan of Jilin university (2018B38), the Natural Science Foundation of Science and Technology Department of Jilin Province (20190201032JC), the Fundamental Research Funds for the Central Universities. Project of health Department Key Laboratory, Jilin province (2018J062).
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Although YS 35 is a clinical isolated P aeruginosa, the phage isolation and identification against it is a pure scientific process without any relationship with the patient's privacy. And there are no agents that were used in any patients. So there are no ethical problems in the research.
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Jiang, YH., Liu, JQ., Zhao, CY. et al. Isolation and Genome Sequencing of a Novel Pseudomonas aeruginosa Phage PA-YS35. Curr Microbiol 77, 123–128 (2020). https://doi.org/10.1007/s00284-019-01792-8
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DOI: https://doi.org/10.1007/s00284-019-01792-8