Corporate Banner
Satellite Banner
AgriGenomics
Scientific Community
 
Become a Member | Sign in
Home>News>This Article
  News
Return

Scientists Unlock Benefits of Barley Genome

Published: Friday, October 19, 2012
Last Updated: Friday, October 19, 2012
Bookmark and Share
Scientists have developed a high-resolution genomic resource for barley that they say will help produce higher yields, improve pest and disease resistance, and enhance the nutritional value of the grain.

Scientists Unlock Benefits of Barley Genome

UC Riverside research team helps develop a genomics resource to improve the crop’s yield and quality

By Iqbal Pittalwala On OCTOBER 17, 2012

 RIVERSIDE, Calif. — Scientists, including researchers at the University of California, Riverside, have developed a high-resolution genomic resource for barley that they say will help produce higher yields, improve pest and disease resistance, and enhance the nutritional value of the grain.

The resource gives new molecular and cellular insight into the biology of barley, one of the world’s most important and earliest domesticated cereal crops. It represents a hub for trait isolation, understanding and exploiting natural genetic diversity and investigating the unique biology and evolution of the crop.

“This resource will serve as an essential reference for genetic research and breeding and help advance gene discovery and genome-assisted crop improvement,” said Timothy Close, a professor of genetics at UC Riverside and one of the leaders of the research project.

Study results appear online today (Oct. 17) in the journal Nature.

In the research paper, the scientists provide a detailed overview of the functional portions of the barley genome, revealing the order and structure of most of its 32,000 genes. They also give a detailed analysis of where and when barley genes are switched on in different tissues and at different stages of development.

 The scientists also describe the location of dynamic regions of the barley genome that carry genes conferring resistance to devastating diseases, such as powdery mildew, Fusarium head blight and rusts. The result, they say, is a better understanding of the crop’s immune system and the genetic differences among barley cultivars.

Nearly twice as large as the human or maize genomes and about 12 times the size of the rice genome, the barley genome was a challenge to sequence due to its complexity and its large proportion of repetitive regions, which are difficult to piece together into a true linear order.

“The majority of the barley genome is composed of highly repetitive ‘junk’ DNA, which makes whole-genome sequencing difficult,” Close explained. “The UCR team first identified gene-rich segments of the genome, called BACs.  Then we determined the primary sequence of more than 2,000 of these BACs.”

The raw sequence data relevant to the new resource was generated in UCR’s Institute of Integrative Genome Biology core facility.

“For the purpose of determining the sequences of each BAC, we developed a novel protocol that takes advantage of recent advances in combinatorial pooling design and borrows ideas from error-correcting codes — like the ones used in CDs and DVDs,” said Stefano Lonardi, a professor of computer science and engineering at UCR, who worked closely with Close on the research.

A member of the grass family, barley is a high-fiber and high-protein grain and a widely adaptable crop. Approximately three-quarters of its global production is used for animal feed, 20 percent is malted for use in alcoholic and non-alcoholic beverages, and 5 percent as an ingredient in a range of food products.

The success of the barley genome sequencing and other grass family crops, such as wheat and rye, will allow breeders and scientists to effectively address the challenge of feeding the world’s burgeoning population under the constraints of an environment that increasingly challenges farmers and ranchers with extreme weather events.

Read more at http://ucrtoday.ucr.edu/9588


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 2,500+ 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 TechnologyNetworks.com 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.


Scientific News
Marijuana Genome Unraveled
A study by Canadian researchers is providing a clearer picture of the evolutionary history and genetic organization of cannabis, a step that could have agricultural, medical and legal implications for this valuable crop.
Grape Waste Could Make Competitive Biofuel
The solid waste left over from wine-making could make a competitive biofuel, University of Adelaide researchers have found.
Accelerating Forage Breeding to Boost Livestock Productivity
International expert skill-sets in genomics and bioinformatics enhance our capacity to breed improved forages for Africa.
Firefly Protein Enables Visualization of Roots in Soil
A new imaging tool from a team led by Carnegie’s José Dinneny allows researchers to study the dynamic growth of root systems in soil, and to uncover the molecular signaling pathways that control such growth.
So Long, Snout
Research helps answer how birds got their beaks.
The Tree of Life — More Like A Bush
New species evolve whenever a lineage splits off into several. Because of this, the kinship between species is often described in terms of a ‘tree of life’, where every branch constitutes a species.
Algae Nutrient Recycling is a Triple Win
Sandia method cheaper, greener and cuts competition for fertilizer.
Non-Transgenic Rapeseed Product Launched For Chinese Market
Cibus and Rotam have announced a new agreement to cooperate in the development of herbicide-tolerant rapeseed in China.
TGAC Leads Development to Diminish Threat to Vietnam’s Most Important Crop
Advanced bioinformatics capabilities for next-generation rice genomics in Vietnam to aid precision breeding.
BESC Creates Microbe That Bolsters Isobutanol Production
Another barrier to commercially viable biofuels from sources other than corn has fallen with the engineering of a microbe that improves isobutanol yields by a factor of 10.
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
2,500+ scientific and medical posters
A library of 2,500+ scientific videos on LabTube
3,800+ scientific videos
Close
Premium CrownJOIN TECHNOLOGY NETWORKS PREMIUM FREE!