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

Microbial Morphologies01:29

Microbial Morphologies

3.8K
Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
3.8K
Microbial Fermentation01:23

Microbial Fermentation

1.6K
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
1.6K
Sinusoidal Sources01:18

Sinusoidal Sources

1.2K
Direct current (DC) refers to an electric current that flows in a single direction, maintaining a constant polarity. This is in contrast to alternating current (AC), which periodically changes its direction and magnitude. AC forms the backbone of modern electricity transmission and distribution systems due to its efficient long-distance transmission capabilities.
In homes, the power supplies use sinusoidal sources to provide electricity. These sources generate a voltage that varies sinusoidally...
1.2K
AC Sources01:20

AC Sources

4.1K
Direct current is a flow of electric charge in only one direction and has a steady state of constant voltage in the circuit. Rectifiers, batteries, commutator-equipped generators, and fuel cells are some examples of devices that generate direct current. Nowadays, most applications use a time-varying voltage source. Alternating current is a flow of electric charge that periodically reverses direction. An alternating current is produced by an alternating emf that is generated in a power plant. If...
4.1K
Sources of Law01:26

Sources of Law

1.9K
Laws form the essential rules set by governing authorities to shape and control societal behavior. In nursing, laws guide actions, safeguard patient rights, define nurses' scope of practice, and maintain professional standards. Understanding the legal framework governing nursing involves recognizing four primary sources of law: constitutional, statutory, administrative (regulatory), and common law.
Constitutional law is foundational, deriving from federal and state constitutions, and...
1.9K
Source Transformation01:15

Source Transformation

11.8K
Source transformation is a fundamental technique employed in circuit analysis, offering a valuable tool for simplifying complex electrical circuits. This technique involves the replacement of either a voltage source in series with a resistor by a current source in parallel with a resistor, or vice versa. The key concept here is that when the original sources are deactivated (turned off), the equivalent resistance at the circuit's end terminals remains the same.
It is essential to note that when...
11.8K

You might also read

Related Articles

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

Sort by
Same author

Corrigendum to: Attenuation of <i>Clostridioides difficile</i> Infection by <i>Clostridium hylemonae</i>.

Journal of microbiology and biotechnology·2026
Same author

Structure-Controlled Cyclopentadithiophene Derived Non-Fullerene Acceptors for Efficient Near-Infrared Organic Photodetectors.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Near-Theoretical-Limit Doping of Poly(benzodifurandione) through Carbonyl-Driven Aminoalkylsilane Attachment.

Journal of the American Chemical Society·2026
Same author

<i>Bifidobacterium stercoris</i> KC84 attenuates IBS-D-like symptoms via modulation of serotonin-related pathways and dendritic cell-mediated IFN-β induction.

Current research in microbial sciences·2026
Same author

A lightweight durable full-body electrical stimulation suit for haptic feedback and therapeutic applications.

Nature communications·2026
Same author

Lacticaseibacillus paracasei KBL382 contributes to the immunomodulation in THP-1 cells.

Journal of microbiology (Seoul, Korea)·2026

Related Experiment Video

Updated: Feb 9, 2026

Cost-effective Method for Microbial Source Tracking Using Specific Human and Animal Viruses
11:29

Cost-effective Method for Microbial Source Tracking Using Specific Human and Animal Viruses

Published on: December 3, 2011

12.6K

Host-Specific Bacteroides Markers-Based Microbial Source Tracking in Aquaculture Areas.

Hye Young Ko1, Kyuseon Cho1, SungJun Park1,2

  • 1Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University.

Microbes and Environments
|June 5, 2018
PubMed
Summary

Host-specific Bacteroides markers effectively track fecal contamination in Korean aquaculture. Poultry markers were most frequent, with high levels detected in late 2015, aiding in identifying pollution sources.

Keywords:
fecal contaminationgeographic information systemhost-specific Bacteroides markersmicrobial source trackingnoroviruses

More Related Videos

Investigating the Microbial Community in the Termite Hindgut - Interview
21:02

Investigating the Microbial Community in the Termite Hindgut - Interview

Published on: May 28, 2007

11.2K
Workflow Based on the Combination of Isotopic Tracer Experiments to Investigate Microbial Metabolism of Multiple Nutrient Sources
12:47

Workflow Based on the Combination of Isotopic Tracer Experiments to Investigate Microbial Metabolism of Multiple Nutrient Sources

Published on: January 22, 2018

10.0K

Related Experiment Videos

Last Updated: Feb 9, 2026

Cost-effective Method for Microbial Source Tracking Using Specific Human and Animal Viruses
11:29

Cost-effective Method for Microbial Source Tracking Using Specific Human and Animal Viruses

Published on: December 3, 2011

12.6K
Investigating the Microbial Community in the Termite Hindgut - Interview
21:02

Investigating the Microbial Community in the Termite Hindgut - Interview

Published on: May 28, 2007

11.2K
Workflow Based on the Combination of Isotopic Tracer Experiments to Investigate Microbial Metabolism of Multiple Nutrient Sources
12:47

Workflow Based on the Combination of Isotopic Tracer Experiments to Investigate Microbial Metabolism of Multiple Nutrient Sources

Published on: January 22, 2018

10.0K

Area of Science:

  • Environmental microbiology
  • Water quality monitoring
  • Molecular epidemiology

Background:

  • Waterborne pathogens from feces pose significant health risks.
  • Bacteroides species are specific markers for identifying fecal sources.
  • Aquaculture environments are susceptible to fecal contamination.

Purpose of the Study:

  • To evaluate the occurrence and concentration of host-specific Bacteroides markers in Korean aquaculture waters.
  • To assess the utility of these markers in identifying fecal sources and contamination gradients.
  • To correlate Bacteroides markers with specific pathogens.

Main Methods:

  • Collection of 240 water samples from two aquaculture areas over one year.
  • Quantification of four host-specific Bacteroides markers (human, poultry, pig, ruminant) using molecular methods.
  • Geospatial analysis to map fecal contamination patterns and land-use effects.
  • Correlation analysis between human-specific Bacteroides and human pathogens (noroviruses).

Main Results:

  • Host-specific Bacteroides markers were widely detected, with poultry markers showing the highest concentration.
  • Peak marker concentrations occurred between September and December 2015.
  • Geospatial mapping revealed upstream-downstream contamination gradients and land-use impacts.
  • The human-specific marker showed a significant positive correlation with norovirus prevalence.

Conclusions:

  • Host-specific Bacteroides markers are valuable tools for tracing fecal pollution in aquaculture.
  • Advanced geospatial analysis enhances the ability to pinpoint contamination sources.
  • These markers can serve as indicators for associated human-specific pathogens.