Corporate Banner
Satellite Banner
Scientific Communities
Become a Member | Sign in
Home>News>This Article

Crop-Infecting Virus Forces Aphids to Spread Disease

Published: Friday, December 06, 2013
Last Updated: Friday, December 06, 2013
Bookmark and Share
Viruses alter plant biochemistry in order to manipulate visiting aphids into spreading infection.

BBSRC-funded researchers at the University of Cambridge have shown that viruses use aphids as pawns, discouraging the insects from permanently settling on already-infected crops and using this forced migration to spread infection to healthy vegetation.

Aphids are sap-sucking insects that attack many different types of plants and are major transmitters of crop-infecting viruses. By altering plant biochemistry, crop-infecting viruses cause vegetation to smell and taste unpleasant to visiting aphids. This repels the insects, causing them to move swiftly away to healthier plants, unwittingly transporting and spreading the virus.

This research could have significant impact on African agriculture. Working with various agencies, Dr John Carr and colleagues aim to help resource-poor farmers by deploying plants to act as aphid-decoys, drawing the insects away from crucial crops and halting the spread of infection through these farmers' livelihoods.

About this research, Dr Carr said: "The work started almost accidentally when about five years ago a student and I noticed that aphids became sick or died when confined on a virus-infected plant. It's an illustration of how research driven by curiosity can lead to findings that could have a positive impact in the real world – in this case in combating crop-damaging insects and the viruses they transmit."

The Cambridge team collaborated with researchers at Imperial College, London, using Arabidopsis plants as hosts and monitoring the effect that the crop-infecting cucumber mosaic virus had. It was observed that the virus launched a concerted attack on the plant's immune system whilst concurrently altering its biochemistry; in this way, the weakened Arabidopsis plant was unable to fight off either its attacker or visiting aphids. The aphids, instantly repelled by the smell and taste of the plant, left for healthier plants, but not before landing on the plant and contracting the virus. In this way, the mosaic virus ensured that the spread of the infection would be self-sustaining and highly efficient.

This research focuses on an example of what evolutionary biologist Richard Dawkins has called the 'extended phenotype'. For Dawkins, the word 'phenotype' (the traits of an organism) should not be limited solely to biological processes, but should also be used to describe all effects that a gene has on the organism or environment in which it exists, or other organisms nearby. In this case, it was discovered that a virus influences the infected host, the Arabidopsis plant, and forces the host to change in a way that is beneficial to the parasite.

This revolutionary research has been done as part of a £16M Sustainable Crop Production Research for International Development (SCPRID) initiative to use bioscience in the improvement of food security in developing countries. Bioscience is playing an increasingly crucial part in meeting the challenges of feeding an ever-expanding population, projected to increase to 9 billion people by 2050. By developing ways to mitigate pest impact and reduce the spread of parasites, scientists are working to ensure successful harvests, now and in the future.

Further Information
Access to this exclusive content is for Technology Networks Premium members only.

Join Technology Networks Premium for free access to:

  • Exclusive articles
  • Presentations from international conferences
  • Over 2,600+ scientific posters on ePosters
  • More Than 3,800+ scientific videos on LabTube
  • 35 community eNewsletters

Sign In

Forgotten your details? Click Here
If you are not a member you can join here

*Please note: By logging into you agree to accept the use of cookies. To find out more about the cookies we use and how to delete them, see our privacy policy.

Related Content

Genome-Editing Position Statement
A group of leading UK research organisations has today issued an initial joint statement in support of the continued use of CRISPR-Cas9 and other genome-editing techniques in preclinical research.
Monday, September 07, 2015
Expanding the DNA Alphabet: 'Extra' DNA Base Found to be Stable in Mammals
A rare DNA base, previously thought to be a temporary modification, has been shown to be stable in mammalian DNA, suggesting that it plays a key role in cellular function.
Thursday, June 25, 2015
Global Food Security (GFS) Develops New Funding Programme
New programme of research to tackle resilience of the food system.
Tuesday, June 02, 2015
£4M to Fund Important Food Crops from BBSRC and NERC
Research projects designed with industry partners to maximize impact.
Tuesday, June 02, 2015
Controlling Leaf Blotch Disease In Wheat
Scientists have found a genetic mechanism that could stop the spread of a "devastating" disease threatening wheat crops.
Thursday, February 05, 2015
Rising Temperatures Predicted to Lower Wheat Yields
An international consortium of researchers has used big data sets to predict the effects climate change on global wheat yields.
Friday, December 26, 2014
New Test For Detecting Horse Meat
New test compares differences in chemical compositions of the fat found in meats.
Tuesday, December 02, 2014
UK And India Collaborate On Future-Proof Crops
Drought-tolerant tomatoes, improved wheat and grass pea could provide crops for the future.
Friday, November 28, 2014
Drugs Used to Treat Lung Disease Work With the Body Clock
Scientists from The University of Manchester have discovered why medication to treat asthma and pneumonia can become ineffective.
Thursday, August 14, 2014
Researchers Use ‘Big Data’ Approach to Map the Relationships Between Human and Animal Diseases
EID2 database used to prevent and tackle disease outbreaks around the globe.
Thursday, July 17, 2014
TGAC at the Forefront of Next Generation Sequencing Capability
The Genome Analysis Centre adds two Illumina HiSeq 2500 machines to its platform suite.
Thursday, June 26, 2014
UK Diet and Health Research Awarded £4M
Funding awarded to six projects investigating diet and health to enable the food and drink industry to meet the needs of UK consumers.
Wednesday, June 25, 2014
Better Understanding of Disease Resistance Genes in Crops
Effector-triggered defence concept describes how plants protect themselves against the apoplast.
Friday, June 06, 2014
Investment Provides Access to the World’s Most Advanced Crystallography Technology
The UK community will benefit thanks to a £5.64M investment from UK research funders.
Tuesday, June 03, 2014
Public-private Research Partnership to Support Sustainable Agricultural Systems
The partnership will support projects that will help provide solutions to key challenges affecting the sustainability of the UK crop and livestock sectors.
Friday, May 23, 2014
Scientific News
Fixing Holes in the Heart Without Invasive Surgery
UV-light enabled catheter is a medical device which represents a major shift in how cardiac defects are repaired.
Chromosomal Chaos
Penn study forms basis for future precision medicine approaches for Sezary syndrome
Enzyme Malfunction May be Why Binge Drinking Can Lead to Alcoholism
A new study in mice shows that restoring the synthesis of a key brain chemical tied to inhibiting addictive behavior may help prevent alcohol cravings following binge drinking.
Key to Natural Detoxifier’s Reactivity Discovered
Results have implications for health, drug design and chemical synthesis.
New Treatment for Obesity Developed
Researchers at the University of Liverpool, working with a global healthcare company, have helped develop a new treatment for obesity.
New Protein Found in Immune Cells
Immunobiologists from the University of Freiburg discover Kidins220/ARMS in B cells and demonstrate its functions.
Will Brain Palpation Soon Be Possible?
Researchers have developed non-invasive brain imaging technique which provides the same information as physical palpation.
Shaking Up the Foundations of Epigenetics
Researchers at the Centre for Genomic Regulation (CRG) and the University of Barcelona (UB) published a study that challenges some of the current beliefs about epigenetics.
Groundbreaking Computer Program Diagnoses Cancer in Two Days
Researchers have combined genetics with computer science and created a new diagnostic technology can with 85 per cent certainty identify the source of the disease and thus target treatment and, ultimately, improve the prognosis for the patient.
Michigan Researchers Use Raman Spectroscopy
inVia confocal Raman microscope used in the study of various childhood diseases.
Scroll Up
Scroll Down
Skyscraper Banner

Skyscraper Banner
Go to LabTube
Go to eposters
Access to the latest scientific news
Exclusive articles
Upload and share your posters on ePosters
Latest presentations and webinars
View a library of 1,800+ scientific and medical posters
2,600+ scientific and medical posters
A library of 2,500+ scientific videos on LabTube
3,800+ scientific videos