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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...
The Skin Microbiota01:27

The Skin Microbiota

The human skin serves as a complex ecosystem inhabited by a diverse community of microorganisms, including bacteria, fungi, and viruses. This microbiome plays a critical role in maintaining skin health and defending against pathogenic invaders. The composition of microbial communities varies significantly across different regions of the body, influenced primarily by the local levels of moisture and sebum.Regional Variation in Skin MicrobiotaCutibacterium acnes predominantly colonizes sebaceous...
Introduction to the Human Microbiota01:22

Introduction to the Human Microbiota

Microorganisms colonize various regions of the human body, including the mouth, nasal passages, throat, stomach, intestines, urogenital tract, and skin. The total number of microbial cells is estimated to range from 10¹³ to 10¹⁴—comparable to, or exceeding, the number of human somatic cells. This host–microbiome relationship has led to the conceptualization of humans as supraorganisms, wherein microbial communities perform vital roles in development, immunity, and disease...
Development of Human Microbiota01:30

Development of Human Microbiota

The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from the skin...
Defense Mechanism Against Infection01:26

Defense Mechanism Against Infection

Natural flora, body system defenses, and inflammation are natural barriers of the body against infectious agents regardless of previous exposure. Normal floras of the human body refer to the microbial population that colonizes the skin and mucous membranes.
In addition, many body organ systems have unique defenses against infection. The skin is an intact, multilayered surface preventing invasion by microorganisms unless impaired. Mucous membranes lining the mouth, nose, and eyelids are barriers...
Microbiota Modulation by Antibiotics01:21

Microbiota Modulation by Antibiotics

Antibiotics have revolutionized modern medicine by saving countless lives from bacterial infections. However, their widespread use has inadvertently harmed the delicate balance of the human gut microbiota. The gut microbiota, a complex community of bacteria, archaea, viruses, and fungi, plays a vital role in regulating metabolism, immune responses, and maintaining intestinal health. Antibiotics, especially broad-spectrum types, disrupt this ecosystem by eradicating both harmful and beneficial...

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Related Experiment Video

Updated: Jun 25, 2026

Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device
10:51

Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device

Published on: August 30, 2016

Pre- and probiotics for human skin.

Jean Krutmann1

  • 1Institut für Umweltmedizinische Forschung at Heinrich-Heine-University, Düsseldorf gGmbH, Auf'm Hennekamp 50, D-4025 Düsseldorf, Germany. krutmann@rz.uni-duesseldorf.de

Journal of Dermatological Science
|February 11, 2009
PubMed
Summary

The skin microbiota plays a beneficial role, similar to gut microflora. Research is exploring selective modulation strategies beyond antibiotics, focusing on prebiotics and probiotics for skin health.

Area of Science:

  • Microbiology
  • Immunology
  • Dermatology

Background:

  • The skin microbiota, barrier function, and innate immune system are intricately linked.
  • The skin's microbial community plays a crucial beneficial role, analogous to gut microflora.

Purpose of the Study:

  • To review the current understanding of the cutaneous microbiota.
  • To summarize existing pre- and probiotic strategies for modulating skin microflora.

Main Methods:

  • Literature review of current research.
  • Synthesis of information on skin microbiota, barrier function, and immunity.
  • Analysis of prebiotic and probiotic applications for skin.

Main Results:

  • The skin microbiota is increasingly recognized for its positive contributions to skin health.

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

Published on: September 10, 2016

Related Experiment Videos

Last Updated: Jun 25, 2026

Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device
10:51

Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device

Published on: August 30, 2016

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

  • There is a growing demand for therapeutic approaches that selectively modulate the skin microflora.
  • Antibiotic use is being reconsidered in favor of more targeted interventions.
  • Conclusions:

    • The skin microbiota is a vital component of skin homeostasis and immunity.
    • Prebiotic and probiotic interventions show promise for selective modulation of the skin microbiome.
    • Further research into microbiome-targeted therapies is warranted for dermatological applications.