Isolation and characterization of a bacteriophage and its potential to disrupt multi-drug resistant Pseudomonas aeruginosa biofilms
2019
Yuan, Yuyu | Qu, Kunli | Tan, Demeng | Li, Xiaoyu | Wang, Lili | Cong, Cong | Xiu, Zhilong | Xu, Yongping
A lytic Pseudomonas aeruginosa bacteriophage, vB_PaeM_LS1, was isolated and characterized herein. To examine the eligibility of bacteriophage vB_PaeM_LS1 as a therapeutic bacteriophage, we analysed its genome and compared it to similar bacteriophages. Genome of bacteriophage vB_PaeM_LS1 consisted of a linear, double-stranded DNA molecule 66,095 bp in length and with 55.7% G + C content. Neighbor-joining analysis of the large subunit terminase showed that bacteriophage vB_PaeM_LS1 had similarity to the Pbunavirus genus. The potential of the lytic bacteriophage to disrupt Pseudomonas aeruginosa biofilms was assessed by scanning electron microscopy and bacterial counts. This study revealed that the bacteriophage vB_PaeM_LS1 with its lytic effect showed a high potential impact on the inhibition of the growth of Pseudomonas aeruginosa biofilm formation.
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