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 with RNA Genomes01:29

Viruses with RNA Genomes

1.1K
RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
1.1K
Viruses of Archaea01:29

Viruses of Archaea

590
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...
590
Introduction to Virus01:28

Introduction to Virus

2.1K
Viruses are unique biological entities that blur the boundary between living and non-living systems. Although they lack cellular structure and metabolic processes, they can exhibit characteristics of life when infecting a host. Their defining feature is a nucleic acid core, composed of either DNA or RNA, encapsulated within a protein coat called a capsid. This simple structure allows them to invade host cells and use their machinery for replication efficiently.Viral Structure and...
2.1K
What are Viruses?00:50

What are Viruses?

128.8K
Overview
128.8K
Retrovirus Life Cycles01:10

Retrovirus Life Cycles

50.0K
Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the...
50.0K
Size and Structure of Viral Genomes01:26

Size and Structure of Viral Genomes

918
Viral genomes exhibit remarkable diversity in size, structure, and composition, influencing their replication strategies and interactions with host cells. These genomes consist of either DNA or RNA and may be linear or circular. Additionally, they can be single-stranded or double-stranded, with each configuration affecting how the virus propagates within a host. RNA viruses, for instance, generally have smaller genomes than DNA viruses, a factor that contributes to their high mutation rates and...
918

You might also read

Related Articles

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

Sort by
Same author

Broadening the use of virus-mimicking artificial positive controls in plant virus diagnostics.

Journal of virological methods·2026
Same authorSame journal

ICTV Virus Taxonomy Profile: <i>Konkoviridae</i> 2026.

The Journal of general virology·2026
Same author

Streamflow and Surface-Water Presence Data Availability Across the Conterminous United States: A Review for Headwater Systems.

Hydrological processes·2026
Same author

Blood Pressure Control in Adolescents With CKD and Risk of Kidney Failure in Young Adulthood.

Kidney medicine·2026
Same author

Rose rosette emaravirus dynamics in eriophyoid mites: implications for virus transmission.

Experimental & applied acarology·2026
Same author

Corrigendum to: "Invisible vectors, visible impact: The role of eriophyoid mites in emaravirus disease dynamics" [Virology 606 (2025) 110478].

Virology·2026

Related Experiment Video

Updated: Feb 28, 2026

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes
08:56

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes

Published on: July 27, 2018

11.6K

ICTV Virus Taxonomy Profile: Ophioviridae.

María Laura García1, Elena Dal Bó2, John V da Graça3

  • 1Instituto de Biotecnología y Biología Molecular, Universidad de La Plata, La Plata, Argentina.

The Journal of General Virology
|June 22, 2017
PubMed
Summary

The Ophioviridae family comprises filamentous plant viruses with segmented RNA genomes. This report summarizes the International Committee on Taxonomy of Viruses findings on Ophioviridae taxonomy.

More Related Videos

Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 3
07:35

Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 3

Published on: April 13, 2009

8.6K
Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 1
12:00

Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 1

Published on: April 8, 2009

10.7K

Related Experiment Videos

Last Updated: Feb 28, 2026

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes
08:56

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes

Published on: July 27, 2018

11.6K
Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 3
07:35

Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 3

Published on: April 13, 2009

8.6K
Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 1
12:00

Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 1

Published on: April 8, 2009

10.7K

Area of Science:

  • Virology
  • Plant Pathology
  • Taxonomy

Background:

  • Ophioviridae are filamentous plant viruses characterized by single-stranded RNA genomes.
  • Virions are naked nucleocapsids forming kinked circles.
  • The family contains a single genus, Ophiovirus, with seven species.

Purpose of the Study:

  • To summarize the International Committee on Taxonomy of Viruses (ICTV) report on Ophioviridae taxonomy.
  • To provide an updated classification of the Ophioviridae family.

Main Methods:

  • Review and synthesis of the ICTV report on Ophioviridae.
  • Analysis of genomic, virion, and host characteristics.

Main Results:

  • Ophioviridae possess segmented, single-stranded RNA genomes (11.3–12.5 kb).
  • Seven Ophiovirus species are recognized, with four being soil-transmitted.
  • Natural hosts span monocots and dicots, including trees, shrubs, and ornamentals.

Conclusions:

  • The ICTV report provides a comprehensive taxonomic framework for Ophioviridae.
  • Understanding Ophioviridae taxonomy is crucial for plant disease management and research.