Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Bacterial Gastroenteritis

Bacterial Gastroenteritis

Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...

Modern Molecular Taxonomy

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...

Bacterial Flora of the Large Intestine

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.

Microbiota of the Large Intestine

Microbiota of the Large Intestine

The large intestine hosts the most densely populated microbial ecosystem in the human body. This complex community primarily consists of anaerobic bacteria, with Bacillota (formerly Firmicutes) and Bacteroidota (formerly Bacteroidetes) as the predominant groups. The distribution of these microbes varies along different sections of the large intestine, influenced by local environmental factors such as oxygen availability and nutrient composition.The cecum, located at the beginning of the large...

You might also read

Related Articles

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

Sort by

Same author

Environmental Determination of Indigenous Bifidobacteria of the Human Intestine.

Herald of the Russian Academy of Sciences·2022

Same author

Diagnostic cytokine marker of male infertility - interleukin 4.

Klinicheskaia laboratornaia diagnostika·2022

Same author

Strain specific motility patterns and surface adhesion of virulent and probiotic Escherichia coli.

Scientific reports·2022

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

[Characterization of the microbiota and cytokine profile of sperm plasma in men with chronic bacterial prostatitis].

Urologiia (Moscow, Russia : 1999)·2020

Same author

Effect of Non-Thermal Plasma on Proliferative Activity and Adhesion of Multipotent Stromal Cells to Scaffolds Developed for Tissue-Engineered Constructs.

Bulletin of experimental biology and medicine·2019

Search research articles

Related Experiment Video

Updated: Jun 6, 2026

An Allelotyping PCR for Identifying Salmonella enterica serovars Enteritidis, Hadar, Heidelberg, and Typhimurium

An Allelotyping PCR for Identifying Salmonella enterica serovars Enteritidis, Hadar, Heidelberg, and Typhimurium

Published on: July 22, 2011

[Multilocus sequence-typing of Enterococcus faecium fecal isolates].

O V Bukharin, A V Valyshev, I V Valysheva

Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii

|November 11, 2010

Summary

This summary is machine-generated.

This study analyzed the genetic makeup of Enterococcus faecium from Russian individuals, identifying novel sequence types and highlighting the need for further research into E. faecium evolution and global distribution.

More Related Videos

A 1.5 Hour Procedure for Identification of Enterococcus Species Directly from Blood Cultures

A 1.5 Hour Procedure for Identification of Enterococcus Species Directly from Blood Cultures

Published on: February 10, 2011

Related Experiment Videos

Last Updated: Jun 6, 2026

An Allelotyping PCR for Identifying Salmonella enterica serovars Enteritidis, Hadar, Heidelberg, and Typhimurium

An Allelotyping PCR for Identifying Salmonella enterica serovars Enteritidis, Hadar, Heidelberg, and Typhimurium

Published on: July 22, 2011

A 1.5 Hour Procedure for Identification of Enterococcus Species Directly from Blood Cultures

A 1.5 Hour Procedure for Identification of Enterococcus Species Directly from Blood Cultures

Published on: February 10, 2011

Area of Science:

Microbiology
Genetics
Molecular Biology

Context:

Enterococcus faecium is a common bacterium found in the human gut.
Understanding its genetic diversity is crucial for public health.
Antimicrobial resistance and strain evolution are significant concerns.

Purpose:

To genetically characterize Enterococcus faecium strains isolated from the human intestine in Russia.
To identify novel sequence types within these strains using multilocus sequence typing (MLST).
To compare Russian isolates with global E. faecium strains.

Summary:

Seven E. faecium strains with antimicrobial properties were isolated from Russian individuals.
Multilocus sequence typing (MLST) was performed on seven housekeeping genes.
Three of the seven isolates represented novel sequence types, while four were previously described.

Impact:

Identified sequence types (STs) 32, 135, 170, and 361 have been previously found in clinical and environmental samples globally.
The genetic diversity and wide geographical distribution of certain STs suggest complex evolutionary patterns.
Further investigation into E. faecium evolution and epidemiology is warranted based on these findings.