Related Experiment Video
Updated: Jun 11, 2026

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
Tobraviruses--plant pathogens and tools for biotechnology
1Plant Pathology Programme, SCRI, Invergowrie, Dundee DD2 5DA, UK. s.macfarlane@scri.ac.uk
Molecular Plant Pathology
|July 13, 2010
Summary
Tobraviruses, including Tobacco rattle virus (TRV), are plant pathogens and valuable tools for virus-induced gene silencing (VIGS). Research is exploring how TRV interacts with potato and its silencing suppressor protein to enhance VIGS applications.
Area of Science:
- Plant Virology
- Molecular Biology
- Nematology
Background:
- Tobraviruses, such as Tobacco rattle virus (TRV), are plant pathogens transmitted by nematodes.
- TRV infects numerous plant species, with potato being a significant commercial crop affected by tobravirus diseases.
- These viruses are increasingly utilized as expression vectors and for virus-induced gene silencing (VIGS) in plants.
Purpose of the Study:
- To investigate the interaction between TRV and potato, a commercially important crop.
- To understand the molecular mechanisms underlying the effectiveness of tobraviruses as VIGS vectors.
- To elucidate the role of the tobravirus silencing suppressor protein in VIGS.
Main Methods:
- Review of recent studies on TRV-potato interactions.
- Analysis of molecular data concerning tobravirus silencing suppressor proteins.
- Exploration of tobravirus applications in plant biotechnology.
Main Results:
- TRV is a significant pathogen of potato, a major commercial crop.
- Tobraviruses are effective vectors for gene expression and VIGS in plants.
- Ongoing molecular studies are beginning to explain the efficacy of tobraviruses in VIGS.
Conclusions:
- Tobraviruses, particularly TRV, represent a critical area of study in plant pathology and biotechnology.
- Understanding TRV-host interactions and its VIGS mechanism can lead to improved crop protection and research tools.
- Further research into tobravirus silencing suppressors is crucial for optimizing VIGS applications.
More Related Videos
Related Concept Videos
Subviral Agents
Subviral agents are infectious entities that resemble viruses but lack one or more viral components, such as a capsid or essential replication machinery. These agents include viroids, prions, and satellites, each possessing distinct structural and functional characteristics that influence their mode of infection and replication.Viroids are the simplest subviral agents, consisting of circular, single-stranded RNA molecules without a protein coat. They exclusively infect plants, relying entirely...
Transgenic Organisms
Overview
Transgenic Plants
Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
Plant Breeding and Biotechnology
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
Microbe-Plant Interactions
Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
Plant Tissue Culture
Plant tissue culture is widely used in both primary and applied science. Applications range from plant development studies to functional gene studies, crop improvement, commercial micropropagation, virus elimination, and conservation of rare species.

