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Related Concept Videos

Microbiota of the Large Intestine01:27

Microbiota of the Large Intestine

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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...
47
Microbiota of the Stomach and Small Intestine01:27

Microbiota of the Stomach and Small Intestine

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The human gastrointestinal (GI) tract is characterized by distinct physicochemical conditions that shape its microbial communities. Among these, the stomach presents a particularly challenging environment for microbial colonization due to its highly acidic pH, ranging from 1 to 3. This extreme acidity effectively limits microbial density. However, certain acid-tolerant microorganisms are capable of surviving in this niche. Notably, Helicobacter pylori can colonize the gastric mucosa,...
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The Skin Microbiota01:27

The Skin Microbiota

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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...
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Microbial Mats01:25

Microbial Mats

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Microbial communities forming biofilms and mats represent complex, spatially structured ecosystems where metabolic processes are stratified according to light, oxygen, and nutrient gradients. Biofilms are initial colonization stages, only a few millimeters thick, while mature microbial mats can reach centimeter-scale thickness and display intricate vertical organization. Their structural and functional heterogeneity allows microorganisms to occupy distinct ecological niches within a few...
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Deep Sea Microbial Ecology01:18

Deep Sea Microbial Ecology

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The deep ocean and its underlying sediments represent vast, largely unexplored microbial habitats that extend far beyond the sunlit photic zone. The photic (euphotic) zone typically spans the upper ~100–200 meters of pelagic waters in the open ocean, but its depth varies geographically and seasonally, where sufficient light supports photosynthetic life. Below this lies the deep sea, spanning roughly 1000–6000 meters (bathypelagic to abyssal zones), with deeper hadal trenches...
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Microbes and Methanogenesis01:26

Microbes and Methanogenesis

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Methanogenesis is a critical microbial process in anaerobic ecosystems responsible for the biological production of methane, a potent greenhouse gas and valuable biofuel. This metabolic pathway is primarily facilitated by methanogenic archaea, which thrive in anoxic environments such as wetlands, sediments, and animal gastrointestinal tracts. The absence of oxygen in these habitats prevents aerobic respiration, thereby favoring alternative biochemical pathways for organic matter degradation.In...
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Related Experiment Video

Updated: Apr 1, 2026

Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy
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Substratum-Associated Microbiota.

Paula C Furey1, Antonia Liess

  • 1St. Catherine University, Department Biology, 2004 Randolph Ave, Mailstop 4246, St. Paul, MN 55105, USA.

Water Environment Research : a Research Publication of the Water Environment Federation
|October 1, 2015
PubMed
Summary
This summary is machine-generated.

This review covers freshwater substratum-associated microbiota, focusing on algae and bacteria. It details advances in pollution detection, new technologies, and ecological challenges like climate change and biofouling.

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Area of Science:

  • Microbiology
  • Ecology
  • Environmental Science

Background:

  • Substratum-associated microbiota play crucial roles in aquatic ecosystems.
  • Understanding these microbial communities is vital for assessing ecosystem health.

Purpose of the Study:

  • To review literature on freshwater benthic algae and bacteria from 2014.
  • To highlight advances in detection, assessment, and application of new technologies.
  • To present current understanding of ecological factors and environmental challenges.

Main Methods:

  • Literature review of scientific publications from 2014.
  • Synthesis of information on taxonomy, ecology, and environmental impacts.

Main Results:

  • Significant advances in pollution and toxin detection methods.
  • Updates in the taxonomy and systematics of benthic microorganisms.
  • Integration of new technologies for microbial assessment.

Conclusions:

  • Freshwater microbiota research is rapidly evolving with technological advancements.
  • Understanding microbial responses to environmental changes is critical.
  • Further research is needed to address emerging environmental challenges.