Featured Research

from universities, journals, and other organizations

Soy Scientists To Fill 'Library' With Genetic Bookmarks

Date:
March 28, 2008
Source:
US Department of Agriculture
Summary:
Soybean varieties with improved yield, pest resistance, protein and oil quality and quantity and other traits are among the benefits expected of a new project in which Agricultural Research Service scientists will create a "library" of 50,000 DNA markers called single nucleotide polymorphisms (SNPs).

Plant geneticist Perry Cregan compares DNA fingerprints of soybean varieties.
Credit: Photo by Keith Weller

Soybean varieties with improved yield, pest resistance, protein and oil quality and quantity and other traits are among the benefits expected of a new project in which Agricultural Research Service (ARS) scientists will create a "library" of 50,000 DNA markers called single nucleotide polymorphisms (SNPs).

Related Articles


Geneticists David Hyten and Perry Cregan will "stock" the library as part of their ongoing studies with SNP DNA markers at ARS' Soybean Genomics and Improvement Research Unit in Beltsville, Md. The United Soybean Board (USB) is funding the $2.9 million, three-year project from the organization's soybean checkoff program.

The library's completion will provide soybean researchers and breeders with a valuable resource to use in characterizing the genetic variation available for soybean improvement. For example, they'll be able to determine the position and characteristics of alleles, or alternate forms of genes, within the oilseed crop's 20 chromosomes.

A goal is to genotype nearly 20,000 lines, called accessions, in the USDA soybean germplasm collection, which ARS curator and collaborator Randall Nelson maintains on the University of Illinois campus at Urbana-Champaign. The library's anticipated 50,000 SNPs will help researchers to take the next step in applying the soybean whole genome-sequence data—released by the U.S. Department of Energy's Joint Genome Institute—to make soybean breeding more efficient and precise. Of particular interest is using SNP marker technology to rapidly identify plants that carry important traits like high-quality oil and resistance to pests including soybean cyst nematodes.

The SNPs themselves are small changes, or variations, in the sequence of four biochemical "letters"—A (adenine), C (cytosine), T (thymine) and G (guanine)—that make up an organism's DNA "alphabet." Cregan and Hyten, together with their ARS and university colleagues, have so far identified 43,000 SNPs in soybean and mapped the genome locations of 15,000 of them.

ARS is the U.S. Department of Agriculture's chief scientific research agency. The USB is made up of 68 farmer-directors who oversee investments of the soybean checkoff on behalf of all U.S. soybean farmers.


Story Source:

The above story is based on materials provided by US Department of Agriculture. Note: Materials may be edited for content and length.


Cite This Page:

US Department of Agriculture. "Soy Scientists To Fill 'Library' With Genetic Bookmarks." ScienceDaily. ScienceDaily, 28 March 2008. <www.sciencedaily.com/releases/2008/03/080321125654.htm>.
US Department of Agriculture. (2008, March 28). Soy Scientists To Fill 'Library' With Genetic Bookmarks. ScienceDaily. Retrieved November 28, 2014 from www.sciencedaily.com/releases/2008/03/080321125654.htm
US Department of Agriculture. "Soy Scientists To Fill 'Library' With Genetic Bookmarks." ScienceDaily. www.sciencedaily.com/releases/2008/03/080321125654.htm (accessed November 28, 2014).

Share This


More From ScienceDaily



More Plants & Animals News

Friday, November 28, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Research on Bats Could Help Develop Drugs Against Ebola

Research on Bats Could Help Develop Drugs Against Ebola

AFP (Nov. 28, 2014) In Africa's only biosafety level 4 laboratory, scientists have been carrying out experiments on bats to understand how virus like Ebola are being transmitted, and how some of them resist to it. Duration: 01:18 Video provided by AFP
Powered by NewsLook.com
New Dinosaur Species Found in Museum Collection

New Dinosaur Species Found in Museum Collection

Reuters - Innovations Video Online (Nov. 27, 2014) A British palaeontologist has discovered a new species of dinosaur while studying fossils in a Canadian museum. Pentaceratops aquilonius was related to Triceratops and lived at the end of the Cretaceous Period, around 75 million years ago. Jim Drury has more. Video provided by Reuters
Powered by NewsLook.com
Tryptophan Isn't Making You Sleepy On Thanksgiving

Tryptophan Isn't Making You Sleepy On Thanksgiving

Newsy (Nov. 27, 2014) Tryptophan, a chemical found naturally in turkey meat, gets blamed for sleepiness after Thanksgiving meals. But science points to other culprits. Video provided by Newsy
Powered by NewsLook.com
Classic Hollywood Memorabilia Goes Under the Hammer

Classic Hollywood Memorabilia Goes Under the Hammer

Reuters - Entertainment Video Online (Nov. 26, 2014) The iconic piano from "Casablanca" and the Cowardly Lion suit from "The Wizard of Oz" fetch millions at auction. Sara Hemrajani reports. Video provided by Reuters
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins