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 I01:30

Diversity of Archaea I

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...
Diversity of Archaea II01:24

Diversity of Archaea II

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...
Diversity of Archaea IV01:29

Diversity of Archaea IV

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 thermal...
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...
Diversity of Protists IV01:27

Diversity of Protists IV

Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
Diversity of Protists I01:15

Diversity of Protists I

Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...

You might also read

Related Articles

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

Sort by
Same author

Lifetime estimations of biodegradable polymers under realistic temperatures in the marine environment.

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

Per- and Polyfluoroalkyl Substances Leaching from Micro- and Nanoplastics and the Associated Influence of the Plastisphere.

Environmental science & technology·2026
Same author

Fluorescent nanoplastics: What steps are needed towards a representative toolkit?

Microplastics and nanoplastics·2026
Same author

Impact of polystyrene nanoplastics on the biodegradation of a polyhydroxyalkanoate and its associated biofilm.

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

The distribution of subsurface microplastics in the ocean.

Nature·2025
Same author

Spatial and temporal variation of Antarctic microbial interactions: a study around the west Antarctic Peninsula.

Environmental microbiome·2025
Same journal

Mapping the multigenomic human system: structural asymmetry and interface gaps in host-exogenous biological interactions.

Frontiers in microbiology·2026
Same journal

Bacterial resistance across habitats: from German schools to the International Space Station.

Frontiers in microbiology·2026
Same journal

Correction: Unlocking plant growth-promoting traits of endophytic actinobacteria isolated from <i>Anacyclus pyrethrum</i>, an endemic medicinal plant of the Aguelmam azegza region, Morocco.

Frontiers in microbiology·2026
Same journal

Research progress on <i>Avibacterium paragallinarum</i> and related bacterial and viral diseases in poultry and their mixed infections.

Frontiers in microbiology·2026
Same journal

Development and validation of a quantitative method for the enumeration of <i>Salmonella enterica</i> serovar Infantis from environmental poultry feces based on most probable number approach followed by confirmatory qPCR.

Frontiers in microbiology·2026
Same journal

Multi-omics insights into the microbial and metabolic drivers of regional flavor diversity in Guizhou traditional fermented fish.

Frontiers in microbiology·2026
See all related articles

Related Experiment Video

Updated: May 15, 2026

Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius
08:11

Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius

Published on: June 14, 2024

Eukaryotic diversity at pH extremes.

Linda A Amaral-Zettler1

  • 1Marine Biological Laboratory, Josephine Bay Paul Center for Comparative Molecular Biology and Evolution Woods Hole, MA, USA ; Department of Geological Sciences, Brown University Providence, RI, USA.

Frontiers in Microbiology
|January 22, 2013
PubMed
Summary
This summary is machine-generated.

Eukaryotic life thrives in extreme pH environments, but adaptation to broad pH ranges appears rare. This study identified distinct eukaryotic communities in acidic and alkaline waters, with specific taxa dominating each extreme.

Keywords:
V9acidophilesalkaliphilesindicator OTU analysisprotistspyrosequencing

More Related Videos

Exploring the Root Microbiome: Extracting Bacterial Community Data from the Soil, Rhizosphere, and Root Endosphere
09:55

Exploring the Root Microbiome: Extracting Bacterial Community Data from the Soil, Rhizosphere, and Root Endosphere

Published on: May 2, 2018

An Aquatic Microbial Metaproteomics Workflow: From Cells to Tryptic Peptides Suitable for Tandem Mass Spectrometry-based Analysis
08:09

An Aquatic Microbial Metaproteomics Workflow: From Cells to Tryptic Peptides Suitable for Tandem Mass Spectrometry-based Analysis

Published on: September 15, 2015

Related Experiment Videos

Last Updated: May 15, 2026

Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius
08:11

Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius

Published on: June 14, 2024

Exploring the Root Microbiome: Extracting Bacterial Community Data from the Soil, Rhizosphere, and Root Endosphere
09:55

Exploring the Root Microbiome: Extracting Bacterial Community Data from the Soil, Rhizosphere, and Root Endosphere

Published on: May 2, 2018

An Aquatic Microbial Metaproteomics Workflow: From Cells to Tryptic Peptides Suitable for Tandem Mass Spectrometry-based Analysis
08:09

An Aquatic Microbial Metaproteomics Workflow: From Cells to Tryptic Peptides Suitable for Tandem Mass Spectrometry-based Analysis

Published on: September 15, 2015

Area of Science:

  • Environmental microbiology
  • Eukaryotic community ecology
  • Extremophile biology

Background:

  • Extremely acidic (pH < 3) and alkaline (pH > 9) aquatic environments harbor diverse eukaryotic life.
  • Understanding eukaryotic community structure in relation to pH is crucial for extremophile research.

Purpose of the Study:

  • To compare alpha and beta diversity of eukaryotic communities across a wide pH gradient (2-11).
  • To identify eukaryotic taxa characteristic of extreme acidic and alkaline aquatic environments.
  • To assess the influence of pH on eukaryotic community structure.

Main Methods:

  • Massively-parallel pyrotag sequencing of the 18S rRNA gene's V9 hypervariable region.
  • Analysis of operational taxonomic units (OTUs) and community diversity metrics.
  • Statistical analyses including hierarchical clustering, SIMPER, IOA, and NMDS.

Main Results:

  • A total of 946 OTUs were identified across seven diverse aquatic environments.
  • Eukaryotic communities clustered into distinct acidic and alkaline groups.
  • Specific indicator OTUs, including diatoms and ciliates, were associated with pH extremes, though pH explained only a modest fraction of community variation.

Conclusions:

  • Eukaryotic adaptation to broad pH extremes may be uncommon, with specialized taxa dominating these niches.
  • Distinct eukaryotic communities characterize acidic and alkaline aquatic environments.
  • Further research on broadly adapting taxa can illuminate mechanisms of pH tolerance and adaptation.