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Lytic Cycle of Bacteriophages01:30

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Bacteriophages, also known as phages, are specialized viruses that infect bacteria. A key characteristic of phages is their distinctive “head-tail” morphology. A phage begins the infection process (i.e., lytic cycle) by attaching to the outside of a bacterial cell. Attachment is accomplished via proteins in the phage tail that bind to specific receptor proteins on the outer surface of the bacterium. The tail injects the phage’s DNA genome into the bacterial cytoplasm. In the...
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Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
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The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
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Updated: Jun 11, 2025

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Phage-guided nanocarriers: a precision strategy against bacterial pathogens.

Temoor Ahmed1, Xinyan Xu2, Muhammad Noman3

  • 1State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Zhejiang Key Laboratory of Biology and Ecological Regulation of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; Xianghu Laboratory, Hangzhou 311231, China; Department of Life Sciences, Western Caspian University, Baku, Azerbaijan.

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Engineered nanomaterials guided by bacteriophages offer precise bacterial infection treatment. This bioinspired approach enhances safety and efficacy in eliminating pathogens.

Keywords:
antibacterialbacteriophagecontrolled releasenanobiotechnologyplant protection

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Microbiology

Background:

  • Bacterial infections represent a significant global health challenge.
  • Current treatments face limitations in specificity and can lead to resistance.
  • There is a need for innovative strategies to combat bacterial pathogens effectively.

Purpose of the Study:

  • To introduce phage-guided therapeutic agent-loaded engineered nanomaterials.
  • To highlight the potential of bioinspired nano-enabled strategies for bacterial infection management.
  • To emphasize precise and safe elimination of bacterial pathogens.

Main Methods:

  • Development of engineered nanomaterials.
  • Incorporation of therapeutic agents onto nanomaterials.
  • Guidance of nanomaterials using bacteriophages for targeted delivery.

Main Results:

  • Demonstrated precise elimination of bacterial pathogens using the developed nanomaterials.
  • Showcased the potential of bioinspired nano-enabled strategies.
  • Highlighted the safety and efficacy of the approach.

Conclusions:

  • Phage-guided engineered nanomaterials represent a promising advancement in combating bacterial infections.
  • Bioinspired nano-enabled strategies offer a precise and safe alternative for pathogen management.
  • Further exploration of these strategies is warranted for clinical applications.