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Related Concept Videos

Mechanism of Conjugation01:19

Mechanism of Conjugation

Bacterial conjugation is a mechanism of horizontal gene transfer that enables the exchange of genetic material between bacterial cells through direct contact. This process is facilitated by a donor cell carrying a conjugative plasmid, which encodes genes necessary for pilus formation, DNA replication, and transfer. The conjugative plasmid plays a central role in initiating and executing the transfer of genetic material.The tra region of the conjugative plasmid encodes proteins responsible for...
Conjugation01:19

Conjugation

Conjugation is a form of horizontal gene transfer that primarily occurs in bacteria and some archaea, promoting genetic diversity and adaptation. Bacteria can acquire resistance genes through conjugative plasmids, allowing them to survive antibiotic treatments that would otherwise be lethal. This process involves direct contact between cells through specialized structures such as the sex pilus and is mediated by conjugative plasmids, including the F (fertility) factor.Conjugation requires...
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Bacterial Transformation01:33

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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...
Biological Methods for Microbial Control01:28

Biological Methods for Microbial Control

Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
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Antimicrobial Effectiveness

The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...

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Conjugative Mating Assays for Sequence-specific Analysis of Transfer Proteins Involved in Bacterial Conjugation
10:41

Conjugative Mating Assays for Sequence-specific Analysis of Transfer Proteins Involved in Bacterial Conjugation

Published on: January 4, 2017

Bacterial conjugation-based antimicrobial agents.

Marcin Filutowicz1, Richard Burgess, Richard L Gamelli

  • 1Department of Bacteriology, University of Wisconsin, Microbial Sciences Building, 1550 Linden Dr., Madison, WI 53706, USA. msfiluto@wisc.edu

Plasmid
|May 17, 2008
PubMed
Summary
This summary is machine-generated.

Researchers propose bacterial conjugation-based technologies (BCBT) to combat antibiotic resistance. This novel approach uses plasmid biology to develop new antibacterial agents, offering an alternative to conventional antibiotics.

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Area of Science:

  • Microbiology
  • Drug Discovery
  • Genetics

Background:

  • Growing antibiotic resistance necessitates novel antibacterial strategies.
  • Conventional antibiotics face limitations due to resistance development.
  • Plasmid biology offers a potential avenue for new antimicrobial development.

Purpose of the Study:

  • To introduce and explore bacterial conjugation-based technologies (BCBT) as a novel drug discovery route.
  • To leverage plasmid biology for combating antibiotic-resistant bacteria.
  • To outline the feasibility and components of BCBT.

Main Methods:

  • Concept development of bacterial conjugation-based technologies (BCBT).
  • Exploitation of plasmid biology for antimicrobial applications.
  • Review of existing scientific work on conjugation and plasmids.

Main Results:

  • Bacterial conjugation-based technologies (BCBT) represent a new frontier in antibacterial drug discovery.
  • The proposed BCBT concept is feasible, with individual components previously demonstrated.
  • Plasmid properties suitable for BCBT are discussed.

Conclusions:

  • Bacterial conjugation-based technologies (BCBT) offer a promising strategy to address antibiotic resistance.
  • The approach utilizes conjugationally delivered plasmids as antimicrobial agents.
  • Further exploration of plasmid properties is key for BCBT development.