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Microbiome of the Eye

The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...
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 Microbial Ecology01:28

Introduction to Microbial Ecology

Microbial ecology examines the complex web of interactions and diversity among microorganisms within various ecosystems. This field seeks to understand how microbial populations adapt to and influence their environments and how these interactions shape broader ecological processes. Microbes are integral to ecosystem function, participating in nutrient cycling, energy flow, and the maintenance of environmental homeostasis.An ecosystem represents a dynamic interaction between living organisms...
Surface Membrane Barriers01:18

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Related Experiment Video

Updated: Jun 24, 2026

Protocol to Create Chronic Wounds in Diabetic Mice
06:55

Protocol to Create Chronic Wounds in Diabetic Mice

Published on: September 25, 2019

Microbial diversity in chronic open wounds.

Daniel N Frank1, Annette Wysocki, Dee Dee Specht-Glick

  • 1Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, USA.

Wound Repair and Regeneration : Official Publication of the Wound Healing Society [And] the European Tissue Repair Society
|March 27, 2009
PubMed
Summary
This summary is machine-generated.

Chronic wounds harbor diverse microbes. Combining molecular and culturing methods offers a more complete understanding of wound microbiology and its impact on healing.

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Last Updated: Jun 24, 2026

Protocol to Create Chronic Wounds in Diabetic Mice
06:55

Protocol to Create Chronic Wounds in Diabetic Mice

Published on: September 25, 2019

Area of Science:

  • Microbiology
  • Wound Healing
  • Molecular Biology

Background:

  • Chronic wounds present a complex microbial environment, exposing tissues to diverse bacteria.
  • Understanding the microbial composition is crucial for managing wound pathology and promoting healing.

Purpose of the Study:

  • To determine the microbial diversity in chronic wounds.
  • To compare molecular methods with traditional culturing techniques for microbial identification.

Main Methods:

  • Analysis of 19 chronic wound swab samples.
  • Utilized rRNA gene sequence analysis (molecular method).
  • Employed routine clinical culturing methods.

Main Results:

  • Identified 93 phylotypes from 2,653 rRNA sequences.
  • 95% of sequences matched known human commensals.
  • Staphylococcus, Corynebacterium, Clostridiales, and Pseudomonas were dominant phylotypes (75% of sequences).
  • Molecular and culturing methods yielded different diversity and dominance data in over half of samples.

Conclusions:

  • Combining molecular and culturing methods provides a more comprehensive characterization of chronic wound microbial diversity.
  • This integrated approach can enhance understanding of the role of microbiology in chronic wound healing.