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

Bacterial Phylum Verrucomicrobiota01:26

Bacterial Phylum Verrucomicrobiota

756
The phylum Verrucomicrobiota comprises at least four characterized orders, with most species classified within the order Verrucomicrobiotales. Members of this phylum are either aerobic or facultatively aerobic, with the ability to ferment sugars. A notable exception is the genus Methylacidiphilum, which consists of aerobic methanotrophs. Additionally, some Verrucomicrobiota establish symbiotic relationships with protists. These bacteria are widely distributed across various environments,...
756
Bacterial Phylum Proteobacteria01:26

Bacterial Phylum Proteobacteria

1.1K
Proteobacteria, one of the largest and most diverse bacterial phyla, encompasses a wide range of Gram-negative bacteria distinguished by their outer membrane composed of lipopolysaccharides. These microorganisms exhibit various metabolic capabilities, including phototrophy, chemolithotrophy, and heterotrophy, and thrive in diverse environments from soil to aquatic systems and host-associated niches. The phylum is divided into six classes: Alphaproteobacteria, Betaproteobacteria,...
1.1K
Bacterial Phylum Tenericutes01:24

Bacterial Phylum Tenericutes

673
The phylum Tenericutes, which includes the single class Mollicutes, comprises bacteria that lack cell walls. The term "Mollicutes" derives from the Latin word mollis, meaning "soft." These organisms are among the smallest known and are commonly referred to as mycoplasmas due to the prominence of the genus Mycoplasma, which includes well-known human pathogens. Despite their inability to stain gram-positively (a result of their lack of cell walls), mycoplasmas are phylogenetically related to the...
673
Bacterial Phylum Bacteroidota01:26

Bacterial Phylum Bacteroidota

885
The phylum Bacteroidota includes over 700 species classified into four primary orders: Bacteroidales, Cytophagales, Flavobacteriales, and Sphingobacteriales. These gram-negative, non-sporulating rods exhibit saccharolytic capabilities and can be aerobic or fermentative, encompassing obligate aerobes, facultative aerobes, and obligate anaerobes. Many species display gliding motility, though some are nonmotile or use flagella. The genus Bacteroides is well-studied due to its significant role in...
885
Bacterial Phylum Chlamydiae01:29

Bacterial Phylum Chlamydiae

842
The phylum Chlamydiae or Chlamydiota is composed of a single order, Chlamydiales. This phylum consists entirely of obligate intracellular parasites that infect eukaryotic hosts. While human pathogens within this group have been studied extensively, the phylum encompasses many species capable of interacting with various eukaryotic organisms. Members of Chlamydiae are typically small cocci, approximately 0.5 μm in diameter, and exhibit a distinctive developmental cycle. As is characteristic...
842
Bacterial Phylum Firmicutes01:27

Bacterial Phylum Firmicutes

1.3K
Firmicutes is a diverse phylum of Gram-positive bacteria characterized by a low GC content in their genomes. This phylum includes organisms with monoderm or diderm cell envelopes, highlighting a complex evolutionary history. Firmicutes comprises several major orders, including Lactobacillales, Clostridiales, and Bacillales, which exhibit remarkable diversity in their morphology, metabolism, and ecological roles.The order Lactobacillales includes lactic acid bacteria, which are fermentative...
1.3K

You might also read

Related Articles

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

Sort by
Same author

A Tracts of Homozygosity Approach Identifies Methylation-Regulated CSMD1 Expression Targets in Non-Small Cell Lung Cancers Related to Smoking Behavior.

Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology·2025
Same author

DNA structural features and variability of complete MHC locus sequences.

Frontiers in bioinformatics·2024
Same author

Genomic surveillance of SARS-CoV-2 using long-range PCR primers.

Frontiers in microbiology·2024
Same author

ARGprofiler-a pipeline for large-scale analysis of antimicrobial resistance genes and their flanking regions in metagenomic datasets.

Bioinformatics (Oxford, England)·2024
Same author

Results of the 2020 Genomic Proficiency Test for the network of European Union Reference Laboratory for Antimicrobial Resistance assessing whole-genome-sequencing capacities.

Microbial genomics·2023
Same author

Genomic Surveillance of SARS-CoV-2 Using Long-Range PCR Primers.

bioRxiv : the preprint server for biology·2023

Related Experiment Video

Updated: May 1, 2026

Coincubation Assay for Quantifying Competitive Interactions between Vibrio fischeri Isolates
07:43

Coincubation Assay for Quantifying Competitive Interactions between Vibrio fischeri Isolates

Published on: July 22, 2019

7.9K

Vibrio chromosome-specific families.

Oksana Lukjancenko1, David W Ussery2

  • 1Department of Systems Biology, Center for Biological Sequence Analysis, Technical University of Denmark Lyngby, Denmark.

Frontiers in Microbiology
|March 28, 2014
PubMed
Summary

Vibrio bacteria possess two chromosomes with distinct gene sets. Chromosome 1 contains core housekeeping genes, while chromosome 2 has fewer core genes but many membrane-associated proteins, suggesting specialized functions.

Keywords:
Vibrio comparative genomicsVibrio core-genomeVibrio pan-genomechromosome-specific genescomparative genomics

More Related Videos

TransFLP — A Method to Genetically Modify Vibrio cholerae Based on Natural Transformation and FLP-recombination
12:13

TransFLP — A Method to Genetically Modify Vibrio cholerae Based on Natural Transformation and FLP-recombination

Published on: October 8, 2012

13.8K
Laboratory Techniques Used to Maintain and Differentiate Biotypes of Vibrio cholerae Clinical and Environmental Isolates
07:58

Laboratory Techniques Used to Maintain and Differentiate Biotypes of Vibrio cholerae Clinical and Environmental Isolates

Published on: May 30, 2017

10.4K

Related Experiment Videos

Last Updated: May 1, 2026

Coincubation Assay for Quantifying Competitive Interactions between Vibrio fischeri Isolates
07:43

Coincubation Assay for Quantifying Competitive Interactions between Vibrio fischeri Isolates

Published on: July 22, 2019

7.9K
TransFLP — A Method to Genetically Modify Vibrio cholerae Based on Natural Transformation and FLP-recombination
12:13

TransFLP — A Method to Genetically Modify Vibrio cholerae Based on Natural Transformation and FLP-recombination

Published on: October 8, 2012

13.8K
Laboratory Techniques Used to Maintain and Differentiate Biotypes of Vibrio cholerae Clinical and Environmental Isolates
07:58

Laboratory Techniques Used to Maintain and Differentiate Biotypes of Vibrio cholerae Clinical and Environmental Isolates

Published on: May 30, 2017

10.4K

Area of Science:

  • Genomics
  • Microbiology
  • Bioinformatics

Background:

  • Vibrio species exhibit complex genome structures, often including multiple chromosomes.
  • Understanding gene distribution and function across these chromosomes is crucial for deciphering bacterial biology.

Purpose of the Study:

  • To compare chromosome-specific genes in Vibrio genomes.
  • To analyze the pan- and core-genomes of Vibrio species.
  • To investigate the functional roles of genes located on different chromosomes.

Main Methods:

  • Comparative genomics analysis of 18 finished Vibrio genomes.
  • Pan-genome and core-genome calculations using over 250 draft Vibrio genome sequences.
  • Gene ontology (GO) term analysis for identified protein families.

Main Results:

  • Identified core protein families for chromosome 1 (1269) and chromosome 2 (252).
  • Chromosome 1 specific genes are enriched in "housekeeping" molecular functions (363 GO terms).
  • Chromosome 2 specific genes are fewer (66 GO terms) but significantly enriched in membrane-associated functions.

Conclusions:

  • Vibrio chromosome 1 appears to encode essential "housekeeping" systems.
  • Chromosome 2 harbors a distinct set of core genes, predominantly involved in membrane functions, which is a novel finding.
  • The differential gene content suggests functional specialization between the two Vibrio chromosomes.