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Related Concept Videos

DNA Bacteriophages01:26

DNA Bacteriophages

Bacteriophages, or phages, are viruses that specifically infect bacteria, utilizing their genetic material to hijack host cellular machinery for replication. DNA bacteriophages employ single-stranded DNA (ssDNA) or double-stranded DNA (dsDNA) genomes. These phages exhibit diverse replication strategies and host interactions, influencing their ecological roles and applications in biotechnology and medicine.ssDNA BacteriophagesssDNA phages, with their small genomes, utilize unique strategies to...
Lytic Cycle of Bacteriophages01:30

Lytic Cycle of Bacteriophages

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 lytic replication...
Microbial Corrosion01:24

Microbial Corrosion

Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...
Lysogenic Cycle of Bacteriophages00:43

Lysogenic Cycle of Bacteriophages

In contrast to the lytic cycle, phages infecting bacteria via the lysogenic cycle do not immediately kill their host cell. Instead, they combine their genome with the host genome, allowing the bacteria to replicate the phage DNA along with the bacterial genome. The incorporated copy of the phage genome is called the prophage. Some prophages can re-activate and enter the lytic cycle. This often occurs in response to a perturbation, such as DNA damage, but can also transpire in the absence of...
Viral Replication: Lytic Cycle01:20

Viral Replication: Lytic Cycle

Bacteriophages, or phages, are viruses that specifically infect bacteria. Among them, T-even bacteriophages, such as T4, exhibit a well-characterized lytic replication cycle in Escherichia coli (E. coli). This process ensures the rapid proliferation of the virus while ultimately leading to the destruction of the bacterial host.Attachment and DNA InjectionThe infection process begins with the recognition and binding of the T4 phage to the E. coli cell surface. Tail fibers of the phage...
CRISPR and crRNAs02:53

CRISPR and crRNAs

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.
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...

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Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro
11:52

Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro

Published on: April 21, 2023

Bacteriophages and nanostructured materials.

Paul Hyman1

  • 1Department of Biology, Ashland University, Ashland, Ohio, USA. phyman@ashland.edu

Advances in Applied Microbiology
|February 7, 2012
PubMed
Summary
This summary is machine-generated.

Bacteriophage proteins self-assemble into nanomaterials within the 1-100 nm range, ideal for nanotechnology. Research explores using these proteins for novel materials and biosensors, with challenges remaining for further development.

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Area of Science:

  • Nanotechnology
  • Biotechnology
  • Materials Science

Background:

  • Nanotechnology aims to create structures in the 1-100 nm size range.
  • Bacteriophages naturally synthesize capsids within this size range.
  • Bacteriophage capsids possess self-assembly properties, driven by capsid proteins.

Purpose of the Study:

  • To review current approaches in utilizing bacteriophage proteins for nanomaterial development.
  • To explore the potential of bacteriophage-based self-assembling nanomaterials in nanotechnology.
  • To identify challenges hindering further development in this field.

Main Methods:

  • Review of research utilizing filamentous bacteriophage display for identifying nanocrystal-binding peptides.
  • Analysis of methods employing bacteriophage proteins and virions for novel material creation.
  • Examination of surface functionalization techniques using bacteriophage proteins for biosensor development.

Main Results:

  • Two primary research approaches identified: 1) creating novel materials using phage display and 2) developing biosensors via surface functionalization.
  • Demonstrated potential of bacteriophage proteins as building blocks for self-assembling nanomaterials.
  • Highlighted the use of bacteriophage-derived peptides and proteins in material science applications.

Conclusions:

  • Bacteriophage protein-based self-assembling nanomaterials offer a promising avenue for nanotechnology.
  • Current research focuses on material synthesis and biosensor applications.
  • Further investigation is needed to overcome challenges in developing these advanced nanomaterials.