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Related Concept Videos

Transduction01:16

Transduction

2.9K
Among the three main modes of HGT—transformation, conjugation, and transduction—transduction is unique in that it is mediated by bacteriophages, or bacterial viruses.Transduction occurs in two ways. Generalized transduction occurs during the lytic cycle of a bacteriophage infection. In this process, bacteriophages infect bacterial cells, replicate within them, and ultimately cause cell lysis, releasing newly assembled virions. Occasionally, random fragments of the bacterial genome...
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Lysogenic Cycle of Bacteriophages00:43

Lysogenic Cycle of Bacteriophages

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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...
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DNA Bacteriophages01:26

DNA Bacteriophages

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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...
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Bacterial Transformation01:33

Bacterial Transformation

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In 1928, bacteriologist Frederick Griffith worked on a vaccine for pneumonia, which is caused by Streptococcus pneumoniae bacteria. Griffith studied two pneumonia strains in mice: one pathogenic and one non-pathogenic. Only the pathogenic strain killed host mice.
Griffith made an unexpected discovery when he killed the pathogenic strain and mixed its remains with the live, non-pathogenic strain. Not only did the mixture kill host mice, but it also contained living pathogenic bacteria that...
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Bacterial Transformation01:33

Bacterial Transformation

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Viral Replication: Lytic Cycle01:20

Viral Replication: Lytic Cycle

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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...
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Related Experiment Video

Updated: Apr 17, 2026

Methodology for the Study of Horizontal Gene Transfer in Staphylococcus aureus
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Bacteriophage Transduction in Staphylococcus aureus.

Michael E Olson1

  • 1Department of Medical Microbiology, Immunology and Cell Biology, Southern Illinois University School of Medicine, Springfield, IL, 62702, USA. molson39@siumed.edu.

Methods in Molecular Biology (Clifton, N.J.)
|February 4, 2015
PubMed
Summary
This summary is machine-generated.

Bacteriophage transduction simplifies genetic manipulation in Staphylococcus aureus research. This method accelerates studies on gene function and virulence in clinically relevant bacterial strains.

Keywords:
BacteriophageBacteriophage 80αBacteriophage Φ11Staphylococcus aureusTransduction

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Area of Science:

  • Microbiology
  • Molecular Biology
  • Genetics

Background:

  • Genetic manipulation of Staphylococcus aureus is crucial for understanding gene function and virulence.
  • Strain variability and complex lab techniques hinder Staphylococcus aureus research.

Purpose of the Study:

  • To introduce bacteriophage transduction as a method to overcome challenges in Staphylococcus aureus genetic manipulation.
  • To facilitate research on clinically relevant Staphylococcus aureus isolates.

Main Methods:

  • Utilizing bacteriophage transduction to transfer genetic material between Staphylococcus aureus strains.
  • Employing this technique for the movement of chromosomal markers and plasmids.

Main Results:

  • Bacteriophage transduction significantly speeds up and simplifies the process of genetic modification in Staphylococcus aureus.
  • The technique allows for efficient manipulation of diverse and clinically relevant bacterial strains.

Conclusions:

  • Bacteriophage transduction is an effective tool for advancing Staphylococcus aureus research.
  • This method empowers researchers to focus on clinically significant isolates, accelerating the study of gene function and virulence.