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

Viruses of Archaea01:29

Viruses of Archaea

56
Archaeal viruses play a crucial role in the ecosystems of extremophilic archaea, particularly those belonging to the phyla Euryarchaeota and Crenarchaeota. By shaping host evolution and facilitating gene transfer, these viruses influence microbial communities and contribute to genetic diversity in extreme environments. The archaea they infect thrive in acidic hot springs and hydrothermal vents characterized by high temperatures and low pH. Archaeal viruses exhibit remarkable structural...
56
Nucleoid01:24

Nucleoid

79
The nucleoid represents a structurally and functionally distinct region within prokaryotic cells, where the cell's DNA and associated proteins are housed. Unlike eukaryotic cells, prokaryotes lack a membrane-bound nucleus, and the nucleoid facilitates the organization and accessibility of the genetic material within this constraint. The DNA in most bacteria and archaea exists as a single, circular, double-stranded molecule that is highly compacted through supercoiling and interactions with...
79
Overview of Archaea01:29

Overview of Archaea

82
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...
82
Diversity of Archaea III01:27

Diversity of Archaea III

55
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...
55
Diversity of Archaea I01:30

Diversity of Archaea I

55
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...
55
Diversity of Archaea II01:24

Diversity of Archaea II

54
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...
54

You might also read

Related Articles

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

Sort by
Same author

Coordination of chromosome segregation and cell division in the archaeon Sulfolobus acidocaldarius.

Nature communications·2025
Same author

Serial innovations by Asgard archaea shaped the DNA replication machinery of the early eukaryotic ancestor.

Nature ecology & evolution·2025
Same author

An archaeal nucleoid-associated protein binds an essential motif in DNA replication origins.

Nature communications·2025
Same author

Capturing chromosome conformation in Crenarchaea.

Molecular microbiology·2024
Same author

Chromosome architecture in an archaeal species naturally lacking structural maintenance of chromosomes proteins.

Nature microbiology·2023
Same author

Chromosome organization affects genome evolution in Sulfolobus archaea.

Nature microbiology·2022

Related Experiment Video

Updated: Aug 17, 2025

Examining Proteasome Assembly with Recombinant Archaeal Proteasomes and Nondenaturing PAGE: The Case for a Combined Approach
09:57

Examining Proteasome Assembly with Recombinant Archaeal Proteasomes and Nondenaturing PAGE: The Case for a Combined Approach

Published on: December 17, 2016

6.7K

Form and function of archaeal genomes.

Stephen D Bell1,2

  • 1Molecular and Cellular Biochemistry Department, Indiana University, Bloomington, IN 47405, U.S.A.

Biochemical Society Transactions
|December 13, 2022
PubMed
Summary

Archaeal chromosome architecture, shaped by evolution, shows conserved local organization and unique large-scale features. Gene expression influences this structure, demonstrating that form follows function, and vice versa.

Keywords:
CIDSMCTADarchaeacohesincondensin

More Related Videos

Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins
09:40

Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins

Published on: June 11, 2015

12.3K
Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside
09:06

Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside

Published on: July 3, 2016

8.1K

Related Experiment Videos

Last Updated: Aug 17, 2025

Examining Proteasome Assembly with Recombinant Archaeal Proteasomes and Nondenaturing PAGE: The Case for a Combined Approach
09:57

Examining Proteasome Assembly with Recombinant Archaeal Proteasomes and Nondenaturing PAGE: The Case for a Combined Approach

Published on: December 17, 2016

6.7K
Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins
09:40

Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins

Published on: June 11, 2015

12.3K
Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside
09:06

Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside

Published on: July 3, 2016

8.1K

Area of Science:

  • Microbiology
  • Genomics
  • Structural Biology

Background:

  • Modernist architecture's 'form follows function' principle contrasts with evolutionary sculpting of chromosome architecture.
  • Understanding archaeal chromosome organization is crucial for deciphering genome function.

Purpose of the Study:

  • To describe recent advances in understanding archaeal chromosome architecture.
  • To elucidate general principles of archaeal genome organization.

Main Methods:

  • Comparative genomics analysis.
  • Bioinformatic approaches to study chromosome organization at different scales.

Main Results:

  • Archaeal chromosomes exhibit conserved local organization (10-100 kb) similar to bacterial genomes.
  • Lineage-specific innovations define distinct large-scale architectural features in archaeal chromosomes.
  • Evidence suggests gene expression profiles influence chromosome architecture, and local conformation changes can affect gene expression.

Conclusions:

  • Archaeal chromosome architecture is a product of evolutionary forces, with both conserved and lineage-specific features.
  • The relationship between archaeal chromosome structure and function is reciprocal: form follows function, and function follows form.