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Related Concept Videos

Microenvironments01:22

Microenvironments

Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...
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Microbes and Climate Change

Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
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...
Biodeterioration01:28

Biodeterioration

Biodeterioration refers to the unwanted alteration of materials caused by microorganisms—especially fungi—which damage both organic substrates (paper, wood, textiles) and inorganic ones (stone, plaster, glass). Unlike abiotic decay, biodeterioration results from biological activity that produces physical disruption and chemical degradation.Physical deterioration occurs as fungal hyphae penetrate pores, cracks, and surface irregularities. Hyphal turgor pressure, thigmotropic growth along...
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The Oral Microbiota

The oral microbiome includes a complex ecosystem comprising over 700 microbial species, identified through genomic sequencing and culture-based analyses to date. This community includes a core microbiome, found universally among individuals, and a variable component influenced by environmental factors such as diet, lifestyle, and host genetics. Site-specific conditions, including oxygen gradients, pH levels, and nutrient availability, determine the spatial distribution of these microorganisms...
Diversity of Archaea III01:27

Diversity of Archaea III

Crenarchaeota, a prominent phylum of Archaea, is remarkable for its ability to thrive in extreme environments characterized by high temperatures and acidity. These microorganisms inhabit sulfuric hot springs, volcanic systems, and submarine hydrothermal vents, where temperatures often exceed 100°C. The unique adaptations of Crenarchaeota not only allow survival under such extreme conditions but also provide insights into the mechanisms of life in primordial Earth-like environments.Morphological...

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Microbiological and environmental issues in show caves.

Cesareo Saiz-Jimenez1

  • 1Instituto de Recursos Naturales y Agrobiologia, Consejo Superior de Investigaciones Cientificas (IRNAS-CSIC), Avda. Reina Mercedes, 10, 41012, Sevilla, Spain. saiz@irnase.csic.es.

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Microorganisms in caves are crucial for conservation and human health. Understanding their impact is vital for protecting subterranean environments and rock art from tourism-related damage.

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Area of Science:

  • Cave microbiology
  • Subterranean ecology
  • Conservation science

Background:

  • Cultural tourism has increased interest in archaeological caves.
  • Mass tourism in caves has led to environmental and rock art deterioration.
  • The role of microorganisms in cave ecosystems is often overlooked in management.

Purpose of the Study:

  • To review recent advances in cave microorganism studies.
  • To highlight the environmental implications of these findings.
  • To emphasize the importance of microbial knowledge for cave management.

Main Methods:

  • Literature review of recent studies on cave microorganisms.
  • Analysis of microbial colonization patterns and dispersion.
  • Assessment of microbial impacts on cave environments and rock art.

Main Results:

  • Microorganisms play a significant role in subterranean environments.
  • Understanding microbial dynamics is essential for conservation efforts.
  • Microbial presence can affect both the cave ecosystem and human health.

Conclusions:

  • Integrating microbial studies into cave management is crucial.
  • Further research is needed to fully understand microbial roles and impacts.
  • Effective management strategies must consider subterranean microbial communities.