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Related Concept Videos

Formation of Lipopolysaccharides01:19

Formation of Lipopolysaccharides

Lipopolysaccharides (LPS) are crucial components of the outer membrane of Gram-negative bacteria, serving both structural and functional roles. It contributes to membrane stability and protects bacteria from host immune responses. LPS is composed of three major regions—lipid A, a core oligosaccharide, and an O antigen. The biosynthesis and assembly of LPS involve a highly coordinated set of enzymatic reactions and transport mechanisms. Additionally, LPS is recognized as an endotoxin, triggering...
Production of Pharmaceuticals01:30

Production of Pharmaceuticals

Industrial insulin production uses genetically engineered E. coli expressing a proinsulin gene controlled by a tryptophan promoter and containing a methionine linker for later cleavage. The cells also carry ampicillin resistance for selective growth. Seed cultures are stored at −80 °C and production begins by thawing a small amount to inoculate starter cultures, which are progressively scaled to a 50,000-L bioreactor. In the bioreactor, E. coli grow in nutrient-rich media under sterile, tightly...
Production of Antibiotics01:27

Production of Antibiotics

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Clinical Significance of Antibiotic Resistance

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Production of Organic Acids01:25

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Related Experiment Video

Updated: May 30, 2026

Antimicrobial Peptides Produced by Selective Pressure Incorporation of Non-canonical Amino Acids
11:56

Antimicrobial Peptides Produced by Selective Pressure Incorporation of Non-canonical Amino Acids

Published on: May 4, 2018

Lacticin 3147--biosynthesis, molecular analysis, immunity, bioengineering and applications.

Srinivas Suda1, Paul D Cotter, Colin Hill

  • 1Department of Microbiology, University College Cork, Cork, Ireland.

Current Protein & Peptide Science
|August 11, 2011
PubMed
Summary

Lantibiotics, like lacticin 3147, are potent antimicrobial peptides offering a promising solution to rising multidrug resistance. Research highlights their broad-spectrum activity against pathogens in food, veterinary, and potentially human medicine.

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Last Updated: May 30, 2026

Antimicrobial Peptides Produced by Selective Pressure Incorporation of Non-canonical Amino Acids
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06:05

Using the Overlay Assay to Qualitatively Measure Bacterial Production of and Sensitivity to Pneumococcal Bacteriocins

Published on: September 30, 2014

Area of Science:

  • Microbiology
  • Biochemistry
  • Molecular Biology

Background:

  • The rise of multidrug-resistant pathogens necessitates novel antimicrobial agents.
  • Lantibiotics, a class of bacteriocin, exhibit broad-spectrum antimicrobial activity.
  • Lacticin 3147, a two-peptide lantibiotic, has shown significant potential against various pathogens.

Purpose of the Study:

  • To review the accumulated knowledge on lacticin 3147 since its discovery.
  • To explore the potential of lacticin 3147 as a therapeutic antimicrobial agent.
  • To highlight advancements in understanding lacticin 3147 biosynthesis, immunity, and bioengineering.

Main Methods:

  • Literature review of research on lacticin 3147.
  • Analysis of studies on lacticin 3147 biosynthesis and immunity.
  • Evaluation of research on structure-function relationships and bioengineering of lacticin 3147.

Main Results:

  • Lacticin 3147 demonstrates potent activity against a wide range of pathogens at low concentrations.
  • Extensive research has elucidated mechanisms of lacticin 3147 biosynthesis and immunity.
  • Molecular bioengineering studies reveal potential for enhanced antimicrobial properties.

Conclusions:

  • Lantibiotics, particularly lacticin 3147, represent a viable strategy against multidrug resistance.
  • Lacticin 3147 holds promise for applications in food preservation, veterinary medicine, and potentially human therapeutics.
  • Continued research into lacticin 3147 and similar lantibiotics is crucial for combating antimicrobial resistance.