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Characterization of N4-like Pseudomonas Phage vB_Pae-PA14 Isolated from Seawater Sampled in Thailand
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Bacteriophage, a predator virus of bacteria, is an abundant biological entity in the biosphere. With ultimate applications in medicine and biotechnology, new phages are extensively being isolated and characterized. The objective of the present study was to characterize lytic bacteriophage vB_Pae-PA14 infecting Pseudomonas aeruginosa ATCC 27853 that was isolated from seawater in Thailand. vB_Pae-PA14 was subjected to whole genome phylogenetic analysis, host range test, biofilm test and characterization. Results showed that the phage belonged to a group of N4-like viruses, could infect P. aeruginosa isolates including carbapenem-resistant P. aeruginosa. The burst size of vB_Pae-PA14 was 86 plaque-forming unit/infected cells. Also, the phage showed a greater ability to control planktonic P. aeruginosa cells than the biofilm cells. Phage could withstand physical stresses especially the high salt concentration. In brief, lytic bacteriophage vB_Pae-PA14 infecting P. aeruginosa was isolated and characterized, which might be useful in further bacteriophage lytic applications.
Journal of Pure and Applied Microbiology
Title: Characterization of N4-like Pseudomonas Phage vB_Pae-PA14 Isolated from Seawater Sampled in Thailand
Description:
Bacteriophage, a predator virus of bacteria, is an abundant biological entity in the biosphere.
With ultimate applications in medicine and biotechnology, new phages are extensively being isolated and characterized.
The objective of the present study was to characterize lytic bacteriophage vB_Pae-PA14 infecting Pseudomonas aeruginosa ATCC 27853 that was isolated from seawater in Thailand.
vB_Pae-PA14 was subjected to whole genome phylogenetic analysis, host range test, biofilm test and characterization.
Results showed that the phage belonged to a group of N4-like viruses, could infect P.
aeruginosa isolates including carbapenem-resistant P.
aeruginosa.
The burst size of vB_Pae-PA14 was 86 plaque-forming unit/infected cells.
Also, the phage showed a greater ability to control planktonic P.
aeruginosa cells than the biofilm cells.
Phage could withstand physical stresses especially the high salt concentration.
In brief, lytic bacteriophage vB_Pae-PA14 infecting P.
aeruginosa was isolated and characterized, which might be useful in further bacteriophage lytic applications.
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