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Related Concept Videos

Bacterial Flora of the Large Intestine01:29

Bacterial Flora of the Large Intestine

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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.
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The Roles of Bacteria and Fungi in Plant Nutrition02:11

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Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
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Anatomy of the Intestines01:23

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Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
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Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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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.
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Related Experiment Video

Updated: Sep 18, 2025

An Intestinal Gut Organ Culture System for Analyzing Host-Microbiota Interactions
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An Intestinal Gut Organ Culture System for Analyzing Host-Microbiota Interactions

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Editorial for the Gut Microbiota Section.

Pramod K Gopal1,2

  • 1The New Zealand Institute for Plant and Food Research Limited (PFR), Private Bag 11600, Palmerston North 4442, New Zealand.

Microorganisms
|June 27, 2025
PubMed
Summary

The gut microbiota, a complex community of microorganisms, is crucial for host health. Understanding these gut microbes offers insights into overall well-being.

Area of Science:

  • Microbiology
  • Gastroenterology
  • Immunology

Background:

  • The gut microbiota comprises trillions of microorganisms within the gastrointestinal tract.
  • This microbial community significantly influences host physiology and health outcomes.

Discussion:

  • The gut microbiota's composition and function are vital for maintaining host homeostasis.
  • Dysbiosis, or an imbalance in gut microbes, is linked to various diseases.

Key Insights:

  • The gut microbiota plays a pivotal role in host health across species.
  • Its dynamic nature suggests adaptability and interaction with the host environment.

Outlook:

  • Further research into the gut microbiota can reveal novel therapeutic targets.

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  • Investigating host-microbe interactions is key to understanding complex health conditions.