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

46
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...
46
Diversity of Archaea I01:30

Diversity of Archaea I

46
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...
46
Overview of Archaea01:29

Overview of Archaea

81
Archaea, named after the Archaean eon, represent a unique domain of life, distinct from bacteria and eukaryotes, with remarkable traits. Their cellular and molecular features, ecological adaptability, and industrial relevance highlight their importance in understanding life processes and leveraging biotechnology.Cellular and Molecular CharacteristicsA defining feature of archaea is their unique membrane composition. Archaeal membranes contain ether-linked isoprenoid lipids, which confer...
81
Diversity of Archaea IV01:29

Diversity of Archaea IV

69
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...
69
Magma Composition01:31

Magma Composition

Magma CompositionMagma is molten rock beneath the Earth's surface. When it erupts from a volcano, it is called lava. The composition of magma determines how a volcano erupts. Different types of magma contain varying amounts of silica, gas content, and temperature, which influence how thick or fluid the magma is. Science and Engineering Practice (SEP): Constructing Explanations and Designing SolutionsScientists construct scientific explanations about magma composition using multiple sources of...
Hyperthermophilic Bacteria01:21

Hyperthermophilic Bacteria

52
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...
52

You might also read

Related Articles

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

Sort by
Same author

Tumor suppressor role of sFRP‑4 in hepatocellular carcinoma via the Wnt/β‑catenin signaling pathway.

Molecular medicine reports·2021
Same author

Preliminary clinical experience of robot-assisted surgery in treatment with genioplasty.

Scientific reports·2021
Same author

Merging Annulation with Ring Deconstruction: Synthesis of (<i>E</i>)-3-(2-Acyl-1<i>H</i>-benzo[<i>d</i>]imidazol-4-yl)acrylaldehyde Derivatives via I<sub>2</sub>/FeCl<sub>3</sub>-Promoted Dual C(sp<sup>3</sup>)-H Amination/C-N Bond Cleavage.

Organic letters·2021
Same author

MassARRAY multigene screening combined with LDL-C and sdLDL-C detection for more favorable outcomes in type 2 diabetes mellitus therapy.

BMC medical genomics·2021
Same author

Nidogen-1 expression is associated with overall survival and temozolomide sensitivity in low-grade glioma patients.

Aging·2021
Same author

Deep learning-based methods may minimize GBCA dosage in brain MRI.

European radiology·2021

Related Experiment Video

Updated: Aug 14, 2025

Simulation of Early Earth Hydrothermal Chimneys in a Thermal Gradient Environment
06:29

Simulation of Early Earth Hydrothermal Chimneys in a Thermal Gradient Environment

Published on: February 27, 2021

3.6K

Massive abiotic methane production in eclogite during cold subduction.

Lijuan Zhang1, Lifei Zhang1, Ming Tang1

  • 1Ministry of Education Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing 100871, China.

National Science Review
|January 19, 2023
PubMed
Summary

Massive abiotic methane (CH4) was discovered in deep-earth eclogites. This finding suggests cold subduction zones are a major, previously unrecognized source of geological methane.

Keywords:
CO2Western Tianshanabiotic CH4fluid inclusionprograde HP-UHP metamorphism

More Related Videos

Author Spotlight: Designing Simple and Inexpensive Techniques to Grow Methane-Oxidizing Bacteria in the Laboratory
07:31

Author Spotlight: Designing Simple and Inexpensive Techniques to Grow Methane-Oxidizing Bacteria in the Laboratory

Published on: September 6, 2024

1.0K
Using Flexible Gold-Titanium Reaction Cells to Simulate Pressure-Dependent Microbial Activity in the Context of Subsurface Biomining
13:11

Using Flexible Gold-Titanium Reaction Cells to Simulate Pressure-Dependent Microbial Activity in the Context of Subsurface Biomining

Published on: October 5, 2019

6.7K

Related Experiment Videos

Last Updated: Aug 14, 2025

Simulation of Early Earth Hydrothermal Chimneys in a Thermal Gradient Environment
06:29

Simulation of Early Earth Hydrothermal Chimneys in a Thermal Gradient Environment

Published on: February 27, 2021

3.6K
Author Spotlight: Designing Simple and Inexpensive Techniques to Grow Methane-Oxidizing Bacteria in the Laboratory
07:31

Author Spotlight: Designing Simple and Inexpensive Techniques to Grow Methane-Oxidizing Bacteria in the Laboratory

Published on: September 6, 2024

1.0K
Using Flexible Gold-Titanium Reaction Cells to Simulate Pressure-Dependent Microbial Activity in the Context of Subsurface Biomining
13:11

Using Flexible Gold-Titanium Reaction Cells to Simulate Pressure-Dependent Microbial Activity in the Context of Subsurface Biomining

Published on: October 5, 2019

6.7K

Area of Science:

  • Geochemistry
  • Petrology
  • Deep Carbon Cycle Studies

Background:

  • Abiotic methane (CH4) from serpentinization is well-studied.
  • Methane formation in mafic rocks during subduction is poorly understood.

Purpose of the Study:

  • Investigate abiotic methane generation in mafic rocks during subduction.
  • Quantify the flux of this methane source.

Main Methods:

  • Analysis of fluid inclusions in garnet from eclogites.
  • Petrological and isotopic analyses (C-H isotopes).
  • Reconstruction of metamorphic conditions (P-T-fO2) and Deep Earth Water modeling.

Main Results:

  • Discovery of massive methane-rich fluid inclusions in Chinese eclogites.
  • Confirmation of abiotic methane origin through isotopic and petrological data.
  • Methane generation occurred during cold subduction (50-120 km depth).
  • Carbon dioxide (CO2) formed during exhumation.

Conclusions:

  • Cold subduction zones hosting eclogites are a significant source of abiotic methane.
  • This methane production mechanism is potentially one of the largest globally.
  • Abiotic methane in high-pressure/ultra-high pressure (HP-UHP) eclogites is a critical, overlooked component of the deep carbon cycle.