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Eradication of drug-resistant Acinetobacter baumannii by cell-penetrating peptide fused endolysin
Jeonghyun Lim , Jaeyeon Jang , Heejoon Myung , Miryoung Song
J. Microbiol. 2022;60(8):859-866.   Published online May 25, 2022
DOI: https://doi.org/10.1007/s12275-022-2107-y
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  • 10 Web of Science
  • 9 Crossref
AbstractAbstract
Antimicrobial agents targeting peptidoglycan have shown successful results in eliminating bacteria with high selective toxicity. Bacteriophage encoded endolysin as an alternative antibiotics is a peptidoglycan degrading enzyme with a low rate of resistance. Here, the engineered endolysin was developed to defeat multiple drug-resistant (MDR) Acinetobacter baumannii. First, putative endolysin PA90 was predicted by genome analysis of isolated Pseudomonas phage PBPA. The His-tagged PA90 was purified from BL21(DE3) pLysS and tested for the enzymatic activity using Gram-negative pathogens known for having a high antibiotic resistance rate including A. baumannii. Since the measured activity of PA90 was low, probably due to the outer membrane, cell-penetrating peptide (CPP) DS4.3 was introduced at the N-terminus of PA90 to aid access to its substrate. This engineered endolysin, DS-PA90, completely killed A. baumannii at 0.25 μM, at which concentration PA90 could only eliminate less than one log in CFU/ml. Additionally, DS-PA90 has tolerance to NaCl, where the ~50% of activity could be maintained in the presence of 150 mM NaCl, and stable activity was also observed with changes in pH or temperature. Even MDR A. baumannii strains were highly susceptible to DS-PA90 treatment: five out of nine strains were entirely killed and four strains were reduced by 3–4 log in CFU/ml. Consequently, DS-PA90 could protect waxworm from A. baumannii-induced death by ~70% for ATCC 17978 or ~44% for MDR strain 1656-2 infection. Collectively, our data suggest that CPP-fused endolysin can be an effective antibacterial agent against Gramnegative pathogens regardless of antibiotics resistance mechanisms.

Citations

Citations to this article as recorded by  
  • Antimicrobial peptide thanatin fused endolysin PA90 (Tha-PA90) for the control of Acinetobacter baumannii infection in mouse model
    Jeonghyun Lim, Heejoon Myung, Daejin Lim, Miryoung Song
    Journal of Biomedical Science.2024;[Epub]     CrossRef
  • Tissue damage alleviation and mucin inhibition by P5 in a respiratory infection mouse model with multidrug-resistant Acinetobacter baumannii
    Jun Hee Oh, Jonggwan Park, Hee Kyoung Kang, Hee Joo Park, Yoonkyung Park
    Biomedicine & Pharmacotherapy.2024; 181: 117724.     CrossRef
  • Potential of antimicrobial peptide-fused endolysin LysC02 as therapeutics for infections and disinfectants for food contact surfaces to control Cronobacter sakazakii
    Doyeon Kim, Jinwoo Kim, Minsik Kim
    Food Control.2024; 157: 110190.     CrossRef
  • Gram-negative endolysins: overcoming the outer membrane obstacle
    Hazel M Sisson, Simon A Jackson, Robert D Fagerlund, Suzanne L Warring, Peter C Fineran
    Current Opinion in Microbiology.2024; 78: 102433.     CrossRef
  • LysJEP8: A promising novel endolysin for combating multidrug‐resistant Gram‐negative bacteria
    Jose Vicente Carratalá, Neus Ferrer‐Miralles, Elena Garcia‐Fruitós, Anna Arís
    Microbial Biotechnology.2024;[Epub]     CrossRef
  • You get what you test for: The killing effect of phage lysins is highly dependent on buffer tonicity and ionic strength
    Roberto Vázquez, Diana Gutiérrez, Zoë Dezutter, Bjorn Criel, Philippe de Groote, Yves Briers
    Microbial Biotechnology.2024;[Epub]     CrossRef
  • Endolysins: a new antimicrobial agent against antimicrobial resistance. Strategies and opportunities in overcoming the challenges of endolysins against Gram-negative bacteria
    Fazal Mehmood Khan, Fazal Rasheed, Yunlan Yang, Bin Liu, Rui Zhang
    Frontiers in Pharmacology.2024;[Epub]     CrossRef
  • Characterization of Three Different Endolysins Effective against Gram-Negative Bacteria
    Tae-Hwan Jeong, Hye-Won Hong, Min Soo Kim, Miryoung Song, Heejoon Myung
    Viruses.2023; 15(3): 679.     CrossRef
  • Design strategies for positively charged endolysins: Insights into Artilysin development
    Jose Vicente Carratalá, Anna Arís, Elena Garcia-Fruitós, Neus Ferrer-Miralles
    Biotechnology Advances.2023; 69: 108250.     CrossRef
Construction of a genetically modified T7Select phage system to express the antimicrobial peptide 1018
David J. Lemon , Matthew K. Kay , James K. Titus , April A. Ford , Wen Chen , LCDR Nicholas J. Hamlin , Yoon Y. Hwang
J. Microbiol. 2019;57(6):532-538.   Published online May 27, 2019
DOI: https://doi.org/10.1007/s12275-019-8686-6
  • 45 View
  • 0 Download
  • 23 Web of Science
  • 23 Crossref
AbstractAbstract
Bacteriophage therapy was an ascendant technology for combating bacterial infections before the golden age of antibiotics, but the therapeutic potential of phages was largely ignored after the discovery of penicillin. Recently, with antibioticresistant infections on the rise, these phages are receiving renewed attention to combat problematic bacterial infections. Our approach is to enhance bacteriophages with antimicrobial peptides, short peptides with broad-spectrum antibiotic or antibiofilm effects. We inserted coding sequences for 1018, an antimicrobial peptide previously shown to be an effective broad-spectrum antimicrobial and antibiofilm agent, or the fluorescent marker mCherry, into the T7Select phage genome. Transcription and production of 1018 or mCherry began rapidly after E. coli cultures were infected with genetically modified phages. mCherry fluorescence, which requires a 90 min initial maturation period, was observed in infected cultures after 2 h of infection. Finally, we tested phages expressing 1018 (1018 T7) against bacterial planktonic cultures and biofilms, and found the 1018 T7 phage was more effective than the unmodified T7Select phage at both killing planktonic cells and eradicating established biofilms, validating our phage-driven antimicrobial peptide expression system. The combination of narrow-spectrum phages delivering relatively high local doses of broad-spectrum antimicrobials could be a powerful
method
to combat resistant infections. The experiments we describe prove this combination is feasible in vitro, but further testing and optimization are required before genetically modified phages are ready for use in vivo.

Citations

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    Mary Garvey
    Biomedicines.2024; 12(4): 740.     CrossRef
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    International Journal of Clinical Practice.2024; 2024: 1.     CrossRef
  • Designing a simple and efficient phage biocontainment system using the amber suppressor initiator tRNA
    Pamela R. Tsoumbris, Russel M. Vincent, Paul R. Jaschke
    Archives of Virology.2024;[Epub]     CrossRef
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    Daniel S. Schmitt, Sara D. Siegel, Kurt Selle
    Trends in Biotechnology.2024; 42(3): 326.     CrossRef
  • Identification and characterization of TatD DNase in planarian Dugesia japonica and its antibiofilm effect
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  • Gold nanoparticle-DNA aptamer-assisted delivery of antimicrobial peptide effectively inhibits Acinetobacter baumannii infection in mice
    Jaeyeong Park, Eunkyoung Shin, Ji-Hyun Yeom, Younkyung Choi, Minju Joo, Minho Lee, Je Hyeong Kim, Jeehyeon Bae, Kangseok Lee
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  • How Good are Bacteriophages as an Alternative Therapy to Mitigate Biofilms of Nosocomial Infections
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    Shalini Wijeratne, Arindam Bakshi, Joey Talbert
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    Current Issues in Molecular Biology.2022; 44(6): 2554.     CrossRef
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