Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Antimicrobial Effectiveness01:28

Antimicrobial Effectiveness

2.1K
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...
2.1K
Antimicrobial Proteins01:23

Antimicrobial Proteins

15.5K
Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
15.5K
Surface Membrane Barriers01:18

Surface Membrane Barriers

3.6K
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
3.6K
Development of Antibiotic Resistance01:30

Development of Antibiotic Resistance

2.1K
Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...
2.1K
Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

61
Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within...
61
Chemical Agents for Microbial Control01:27

Chemical Agents for Microbial Control

1.6K
Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
1.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Probiotic Potential, Safety Properties, and Antifungal Activities of Corynebacterium amycolatum ICIS 9 and Corynebacterium amycolatum ICIS 53 Strains.

Probiotics and antimicrobial proteins·2021
Same author

A Novel High-Molecular-Mass Bacteriocin Produced by Enterococcus faecium: Biochemical Features and Mode of Action.

Probiotics and antimicrobial proteins·2018
Same author

[BIOLOGICAL ACTIVITY OF ANTIMICROBIAL PEPTIDES OF ENTEROCOCCUS FAECIUM].

Zhurnal mikrobiologii, epidemiologii i immunobiologii·2015
Same author

[Morphologic changes in listeria cells under the effect of metabolites of human intestinal microflora enterococci].

Zhurnal mikrobiologii, epidemiologii i immunobiologii·2015
Same author

[Study of features of the effect of cationic antimicrobial peptide nisin on Listeria monocytogenes bacteria by using atomic-force microscopy].

Zhurnal mikrobiologii, epidemiologii i immunobiologii·2014
Same author

[Bacteriocinogenia of enterococci of human intestine microflora].

Zhurnal mikrobiologii, epidemiologii i immunobiologii·2014

Related Experiment Video

Updated: Apr 19, 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

13.2K

[Antimicrobial compounds of enterococci].

A V Valyshev

    Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
    |December 25, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Enterococcus bacteria produce antimicrobial compounds like bacteriocins and organic acids. These substances work together to kill pathogens and resist colonization, offering potential for new therapeutic strategies.

    More Related Videos

    Antimicrobial Characterization of Advanced Materials for Bioengineering Applications
    08:08

    Antimicrobial Characterization of Advanced Materials for Bioengineering Applications

    Published on: August 4, 2018

    23.0K
    Generating Transposon Insertion Libraries in Gram-Negative Bacteria for High-Throughput Sequencing
    08:19

    Generating Transposon Insertion Libraries in Gram-Negative Bacteria for High-Throughput Sequencing

    Published on: July 7, 2020

    11.6K

    Related Experiment Videos

    Last Updated: Apr 19, 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

    13.2K
    Antimicrobial Characterization of Advanced Materials for Bioengineering Applications
    08:08

    Antimicrobial Characterization of Advanced Materials for Bioengineering Applications

    Published on: August 4, 2018

    23.0K
    Generating Transposon Insertion Libraries in Gram-Negative Bacteria for High-Throughput Sequencing
    08:19

    Generating Transposon Insertion Libraries in Gram-Negative Bacteria for High-Throughput Sequencing

    Published on: July 7, 2020

    11.6K

    Area of Science:

    • Microbiology
    • Biochemistry

    Context:

    • Enterococcus bacteria inhabit diverse environments, including host microbiomes.
    • Understanding their antimicrobial production is key to microbiome research.

    Purpose:

    • To review the antimicrobial compounds produced by Enterococcus.
    • To highlight their synergistic interactions and role in colonization resistance.

    Summary:

    • Enterococcus produces various antimicrobial compounds: bacteriocins, organic acids, activated oxygen metabolites, enzymes, and exopolysaccharides.
    • These compounds exhibit synergistic interactions, enhancing pathogen killing.
    • Their production supports competitive bacterial habitation and colonization resistance in host biotopes.

    Impact:

    • Provides insights into microbial competition and host-microbe interactions.
    • Suggests potential for novel antimicrobial strategies by complementing bacterial compounds.
    • Informs research on microbiome-based therapeutics and infection control.