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

Deep Sea Microbial Ecology01:18

Deep Sea Microbial Ecology

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 extending beyond...
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 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...
Microbial Mats01:25

Microbial Mats

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...
Anoxygenic Phototrophic Bacteria01:28

Anoxygenic Phototrophic Bacteria

Anoxygenic phototrophic bacteria are a diverse group of microorganisms that perform photosynthesis without producing oxygen. They primarily include purple sulfur bacteria, purple nonsulfur bacteria, green sulfur bacteria, and green nonsulfur bacteria. These bacteria are classified into the Gammaproteobacteria, Alphaproteobacteria, Betaproteobacteria, Chlorobi, and Chloroflexi lineages, each with distinct physiological and ecological adaptations.Purple sulfur bacteria belong to the...
Bacterial Phylum Cyanobacteria01:30

Bacterial Phylum Cyanobacteria

Cyanobacteria are a diverse group of oxygenic, phototrophic bacteria that played a pivotal role in converting Earth’s atmosphere from anoxic to oxygen-rich billions of years ago. They exhibit remarkable morphological diversity, ranging from unicellular forms to filamentous types, with cell sizes varying between 0.5 μm and 100 μm. Cyanobacteria are classified into five groups: Chroococcales (unicellular, dividing by binary fission), Pleurocapsales (unicellular, dividing by multiple fission),...

You might also read

Related Articles

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

Sort by
Same author

Co-producing knowledge with Indigenous Peoples: challenges and solutions for academic institutions.

Trends in ecology & evolution·2025
Same author

Optimizing RT-qPCR multiplex assays for simultaneous detection of enteric and respiratory viruses in wastewater.

Journal of water and health·2025
Same author

The role of catchment population size, data normalization, and chronology of public health interventions on wastewater-based COVID-19 viral trends.

The Science of the total environment·2024
Same author

An alternative method for monitoring and interpreting influenza A in communities using wastewater surveillance.

Frontiers in public health·2023
Same author

Phytoplankton metabolite profiles from two Lake Ontario Areas of Concern reveal differences associated with taxonomic community composition.

The Science of the total environment·2023
Same author

Detection of SARS-CoV-2 Proteins in Wastewater Samples by Mass Spectrometry.

Environmental science & technology·2022

Related Experiment Video

Updated: Jul 13, 2026

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution
07:20

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution

Published on: December 30, 2021

Cyanobacterial diversity and halotolerance in a variable hypersaline environment.

Andrea E Kirkwood1, Julie A Buchheim, Mark A Buchheim

  • 1Botany Department, Oklahoma State University, Stillwater, OK 74078, USA. akirkwoo@ucalgary.ca

Microbial Ecology
|July 27, 2007
PubMed
Summary

Microbial diversity in Oklahoma's Great Salt Plains reveals limited cyanobacterial genera but significant physiological variation. Environmental conditions promote ecotype diversity over strict phylotype adaptation.

More Related Videos

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

A Set of In Situ Informed Simulated Medium Formats for Culturing Environmentally Acquired Anaerobic Microorganisms
07:56

A Set of In Situ Informed Simulated Medium Formats for Culturing Environmentally Acquired Anaerobic Microorganisms

Published on: January 12, 2024

Related Experiment Videos

Last Updated: Jul 13, 2026

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution
07:20

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution

Published on: December 30, 2021

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

A Set of In Situ Informed Simulated Medium Formats for Culturing Environmentally Acquired Anaerobic Microorganisms
07:56

A Set of In Situ Informed Simulated Medium Formats for Culturing Environmentally Acquired Anaerobic Microorganisms

Published on: January 12, 2024

Area of Science:

  • Microbiology
  • Ecology
  • Environmental Science

Background:

  • The Great Salt Plains (GSP) in Oklahoma is a unique hypersaline environment with fluctuating conditions.
  • It provides an ideal natural laboratory for studying microbial adaptations in extreme habitats.

Purpose of the Study:

  • To assess the taxonomic and physiological diversity of cyanobacteria at the GSP.
  • To analyze the phylogenetic diversity of both isolated and environmental cyanobacteria.

Main Methods:

  • Isolation and characterization of cyanobacteria from three GSP sites.
  • 16S rRNA gene sequencing for phylogenetic analysis of isolates and environmental DNA.
  • Determination of halotolerance ranges for isolated strains.

Main Results:

  • Limited taxonomic diversity of isolates (mainly Phormidium and Geitlerinema).
  • High physiological diversity in halotolerance, even within the same phylotypes.
  • Phylogenetic analysis revealed diverse cyanobacterial lineages, with some environmental clones belonging to heterocystous groups.

Conclusions:

  • Variable environments like the GSP favor ecotype diversification over phylotype diversification.
  • Physiological plasticity in halotolerance is a key adaptation strategy for cyanobacteria in this hypersaline system.