Abstract
PHS21 against Pseudoalteromonas is isolated from Qingdao offshore seawater. The phage was characterized and identified by morphological examination, stability, whole genome sequencing, and bioinformatics analysis. Morphological analysis of PHS21 by transmission electron microscopy shows that belonged to the Siphoviridae family. PHS21 showed strong tolerance with a wide range of temperatures and pH. One-step growth assay indicates that the latent period is about 48 min and the burst size is approximately 218 PFU/cell (plaque forming unit/cell). Its complete genomic sequence is 35,802-bp long with 50 putative open reading frames. Phage PHS21 and PHS3 displayed a very close evolutionary relationship; however, having different DNA packaging proteins indicates that they may have already evolved distinct ways to package DNA in host cells. This study provides the detailed description and genomic characterization of a novel Pseudoalteromonas phage.
Data Availability
The complete genome sequence with annotation of phage PHS21 is available in the GenBank database under accession number KY379511.2.
Code Availability
Not applicable.
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Acknowledgements
This work was supported by the Natural Science Foundation of China (Nos. 41976117, 42120104006, 42176111, 41806131, 41676178), Fundamental Research Funds for the Central Universities (No. 202172002).
Funding
This work was supported by the Natural Science Foundation of China (Nos. 41976117, 42120104006, 42176111, 41806131, 41676178), Fundamental Research Funds for the Central Universities (No. 202172002).
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MW conceived, organized, and supervised the project. YJ, HH contributed to the experiment design and manuscript refinement. YL collected the data and wrote the first draft of the manuscript. HL performed the isolation and characterization experiments. HS conducted the sequencing experiments. All authors read and approved the final manuscript.
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Li, Y., Li, H., Jiang, Y. et al. Isolation and Complete Sequence of One Novel Marine Bacteriophage PHS21 Infecting Pseudoalteromonas marina. Curr Microbiol 79, 213 (2022). https://doi.org/10.1007/s00284-022-02886-6
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DOI: https://doi.org/10.1007/s00284-022-02886-6