Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Diversity of Archaea III01:27

Diversity of Archaea III

302
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...
302
Diversity of Archaea I01:30

Diversity of Archaea I

514
Archaea, a domain of single-celled microorganisms, are classified into five major phyla based on genetic and biochemical characteristics: Euryarchaeota, Crenarchaeota, Thaumarchaeota, Korarchaeota, and Nanoarchaeota. Among these, the phylum Euryarchaeota is notable for its remarkable diversity in morphology, metabolism, and ecological adaptations.Morphological and Metabolic DiversityMembers of Euryarchaeota exhibit a variety of cellular shapes, including rods and cocci. Their metabolic pathways...
514
Diversity of Archaea IV01:29

Diversity of Archaea IV

378
Hyperthermophilic archaea are a group of extremophiles thriving at temperatures above 80°C, often in hydrothermal vents and volcanic soils where conditions surpass the boiling point of water. At such temperatures, proteins, membranes, and DNA in most organisms degrade, but hyperthermophiles have evolved remarkable adaptations to maintain stability and function.Unique Cellular FeaturesHyperthermophilic membranes are composed of a monolayer of biphytanyl tetraether lipids, which resist...
378
Green Algae01:21

Green Algae

679
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
679
Hyperthermophilic Bacteria01:21

Hyperthermophilic Bacteria

458
Domain Bacteria includes some unique hyperthermophilic species. They exhibit remarkable adaptations that enable survival in extreme environments.Thermotoga species are rod-shaped, gram-negative, non-sporulating hyperthermophiles that form a sheath-like envelope called a toga. They ferment sugars or starch, producing lactate, acetate, CO₂, and H₂, and can also grow via anaerobic respiration using H₂ and ferric iron. Found in hot springs and hydrothermal vents, over 20% of their...
458
Diversity of Archaea II01:24

Diversity of Archaea II

429
Archaea, one of the three domains of life, exhibit remarkable diversity and adaptability, thriving in both extreme and moderate environments. Historically, most identified archaea have been classified into two major phyla: Euryarchaeota and Crenarchaeota. However, recent molecular studies have expanded this classification to include three additional phyla: Thaumarchaeota, Nanoarchaeota, and Korarchaeota, each exhibiting unique characteristics and ecological roles.Thaumarchaeota: Mesophiles...
429

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A family of ribosome hibernation factors widespread in Archaea.

Nature communications·2026
Same author

Zn behavior and isotope fractionation in high altitude Andean lakes.

Environmental pollution (Barking, Essex : 1987)·2026
Same author

Organic carbon recycling in subduction zones.

Nature communications·2026
Same author

Hybrid particulate matter generated by lava-ignited wildfires at the Litli-Hrútur 2023 eruption, Iceland.

The Science of the total environment·2026
Same author

Evolution and diversity of oxidoreductases involved in redox balance and energy conservation.

Nature ecology & evolution·2026
Same author

Cross-Feeding of Carbon and Nitrogen Between Aquificales and Thermus in Hot Springs.

Environmental microbiology·2026
Same journal

Accumulation of Histidine Reduce the Susceptibility of Vibrio splendidus Persister Cells to Tetracycline.

Environmental microbiology reports·2026
Same journal

Flower-Doped Carbon Quantum Dots Improve Ceratobasidium sp. Growth Efficiency: A Green Nanotechnology Strategy for Fungal Applications.

Environmental microbiology reports·2026
Same journal

Functional Diversity and Community Composition of Soil Fungi Associated With Canopy Dieback in Araucaria araucana Forests of Contrasting Edaphic Conditions.

Environmental microbiology reports·2026
Same journal

Limnofasciculus delicatus (Coleofasciculaceae, Coleofasciculales), a Novel Mat-Forming Cyanobacterium From Shenandoah River, Virginia, USA.

Environmental microbiology reports·2026
Same journal

Diversity, Composition and Resilience of the Root Microbiome of Tomato Plants in a Hydroponic Rockwool System.

Environmental microbiology reports·2026
Same journal

Metabolic Flux Analysis Reveals Entner-Doudoroff Pathway Dominance in Heterotrophic Deep-Sea Bacterial Isolates.

Environmental microbiology reports·2026
See all related articles

Related Experiment Video

Updated: Jan 9, 2026

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations
10:30

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations

Published on: September 11, 2016

11.3K

Groundwater Microbial Diversity Associated With Icelandic Basaltic Subsurface Environments.

Juliette Bas-Lorillot1,2, Bénédicte Ménez1, Bastien Wild2

  • 1Institut de Physique du Globe de Paris, Université Paris Cité, CNRS, Paris, France.

Environmental Microbiology Reports
|November 30, 2025
PubMed
Summary
This summary is machine-generated.

Deep basaltic aquifers in Iceland host diverse microbial communities shaped by temperature and pH. These findings are crucial for understanding subsurface biogeochemistry and silicate weathering processes.

Keywords:
basaltsdeep ecosystemsgeothermal groundwatersilicate dissolutionsubsurface alteration

More Related Videos

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution
07:20

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution

Published on: December 30, 2021

4.1K
Author Spotlight: Unraveling the Mysteries of Terrestrial Anaerobic Microorganisms in Uncharted Environments by In Situ Culturing
07:56

Author Spotlight: Unraveling the Mysteries of Terrestrial Anaerobic Microorganisms in Uncharted Environments by In Situ Culturing

Published on: January 12, 2024

1.4K

Related Experiment Videos

Last Updated: Jan 9, 2026

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations
10:30

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations

Published on: September 11, 2016

11.3K
Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution
07:20

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution

Published on: December 30, 2021

4.1K
Author Spotlight: Unraveling the Mysteries of Terrestrial Anaerobic Microorganisms in Uncharted Environments by In Situ Culturing
07:56

Author Spotlight: Unraveling the Mysteries of Terrestrial Anaerobic Microorganisms in Uncharted Environments by In Situ Culturing

Published on: January 12, 2024

1.4K

Area of Science:

  • Geomicrobiology
  • Subsurface Microbiology
  • Biogeochemistry

Background:

  • Deep basaltic aquifers represent a significant, yet underexplored, microbial habitat.
  • Understanding these communities is vital for subsurface biogeochemical cycling, particularly silicate weathering.

Purpose of the Study:

  • To characterize bacterial and archaeal diversity in Icelandic deep basaltic aquifers.
  • To investigate the influence of environmental gradients (temperature, pH, bedrock age) on microbial community structure.
  • To explore the relationship between groundwater geochemistry and microbial diversity.

Main Methods:

  • 16S rRNA gene metabarcoding was employed to analyze microbial diversity.
  • Samples were collected from 22 geothermal wells across wide environmental gradients.
  • Groundwater chemistry was analyzed to derive thermodynamic and kinetic parameters.

Main Results:

  • Highly variable microbial assemblages were observed, with dominant hydrogenotrophs and sulfate reducers.
  • Archaeal communities were less diverse and showed distinct patterns compared to bacterial communities.
  • Microbial beta diversity was primarily structured by temperature and pH, with bedrock age playing a lesser role.
  • Groundwater geochemical parameters, including redox potential and silicate dissolution rates, correlated with microbial diversity.

Conclusions:

  • Microbial diversity in deep basaltic aquifers is shaped by both environmental gradients and host-rock geochemistry.
  • Geochemical context is critical for designing accurate subsurface microcosm experiments.
  • Identified microbial taxa offer potential for future research on silicate weathering.