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

Probiotics01:22

Probiotics

Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
Functions of the Gut Microbiota01:18

Functions of the Gut Microbiota

The gut microbiota includes trillions of microorganisms that colonize the human gastrointestinal tract, including bacteria, archaea, viruses, and fungi. This complex ecosystem plays a critical role in maintaining intestinal and systemic health. Most of these microbes inhabit the large intestine, establishing a relatively stable and diverse community that contributes to gut homeostasis through various metabolic, immunological, and protective mechanisms.Dominant bacterial phyla, such as...
Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
Microorganisms in Agriculture and Food industry01:27

Microorganisms in Agriculture and Food industry

Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
Bacterial Flora of the Large Intestine01:29

Bacterial Flora of the Large Intestine

The gut microbiome is formed by a vast and diverse community of bacteria that colonizes our large intestine. These bacteria start residing in the gut from birth and continue diversifying throughout life, influenced by factors such as diet, lifestyle, and stress. The gut bacterial community also includes bacteria from food and those that enter the colon through the anus.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
Microbes in the Production of Fermented Foods01:27

Microbes in the Production of Fermented Foods

Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...

You might also read

Related Articles

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

Sort by
Same author

p120-catenin enhances macrophage efferocytosis and facilitates resolution of lung inflammatory injury.

Journal of immunology (Baltimore, Md. : 1950)·2026
Same author

Biofunctionalization of selenium nanoparticles using a Sonneratia caseolaris (L.) leaves polysaccharide: Statistical optimization, characterization, and bioactivity analysis.

International journal of biological macromolecules·2025
Same author

A Novel Bacteriocin from Insectivorous Bat (Hipposideros speoris) Intestine Mimicking Mammalian FAM216B: Probiotic, Antioxidant, and Antimicrobial Properties of Enterococcus hirae BNT6.

Probiotics and antimicrobial proteins·2025
Same author

Microbial biodegradation of polyethylene terephthalate microplastics by an indigenous <i>Candida tropicalis</i> strain and biocompatibility evaluation of microplastics-degraded metabolites in GIFT <i>Tilapia</i>.

3 Biotech·2025
Same author

Quantitative assessment of mitochondrial membrane potential in macrophages in sepsis.

Methods in cell biology·2025
Same author

Quantification of mitochondrial reactive oxygen species in macrophages during sepsis.

Methods in cell biology·2025

Related Experiment Video

Updated: May 11, 2026

Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods
08:38

Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods

Published on: September 10, 2016

Probiotics and its functionally valuable products-a review.

Paulraj Kanmani1, R Satish Kumar, N Yuvaraj

  • 1Department of Biotechnology, School of Life Sciences, Pondicherry University, Pondicherry, 605014, India.

Critical Reviews in Food Science and Nutrition
|May 1, 2013
PubMed
Summary

Probiotic bacteria, especially lactic acid bacteria (LAB), offer health benefits through compounds like bacteriocins and exopolysaccharides (EPS). These substances enhance gut health by fighting pathogens and improving bacterial colonization.

More Related Videos

Process Development for the Spray-Drying of Probiotic Bacteria and Evaluation of the Product Quality
05:45

Process Development for the Spray-Drying of Probiotic Bacteria and Evaluation of the Product Quality

Published on: April 7, 2023

An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota
07:15

An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota

Published on: July 31, 2019

Related Experiment Videos

Last Updated: May 11, 2026

Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods
08:38

Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods

Published on: September 10, 2016

Process Development for the Spray-Drying of Probiotic Bacteria and Evaluation of the Product Quality
05:45

Process Development for the Spray-Drying of Probiotic Bacteria and Evaluation of the Product Quality

Published on: April 7, 2023

An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota
07:15

An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota

Published on: July 31, 2019

Area of Science:

  • Microbiology
  • Food Science
  • Biotechnology

Background:

  • Probiotic bacteria are increasingly incorporated into food systems due to their safety and functional properties.
  • Lactic acid bacteria (LAB) are commonly used probiotics, known for their beneficial effects in the gastrointestinal tract.

Purpose of the Study:

  • This review focuses on the ecology, biosynthesis, genetics, target sites, and applications of bacteriocins and exopolysaccharides (EPS) produced by LAB.
  • It also discusses the production and functions of folate and siderophores from LAB.

Main Methods:

  • Literature review of scientific articles on LAB probiotics.
  • Analysis of the properties and applications of bacteriocins, EPS, folate, and siderophores from LAB.

Main Results:

  • LAB produce bacteriocins with broad-spectrum antimicrobial activity against pathogens.
  • LAB synthesize exopolysaccharides (EPS) that promote probiotic colonization in the gut.
  • LAB also produce biosurfactants, antioxidants, folate, and siderophores, contributing to host health.

Conclusions:

  • LAB offer significant health benefits through various bioactive compounds.
  • Bacteriocins and EPS are key components for probiotic efficacy in food systems.
  • Further research into LAB-derived compounds like folate and siderophores can expand their applications.